JP2012039595A - Front end module and reception device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a front end module where basic performance can be improved and radiation can be easily reduced without complication of a structure and one or more groups of input output terminals can be two-dimensionally arranged at one front end module, and to provide a reception device.SOLUTION: A front end module 10 includes: a front end module substrate 11 in which a tuner function portion is formed and a mounting face has a size where an antenna connector can be two-dimensionally arranged; a case body 20 where an inner face is disposed to face one mounting face of the front end module substrate; and a plurality of antenna connectors 15-1 to 15-4 which are two-dimensionally installed on an outer face of the case body. Core wires of the plurality of antenna connectors are linearly extended and are electrically connected to a mounting face terminal of the front end module substrate 11 on an internal side of the case body. In the case body 20, a mounting face of the antenna connector is connected to ground.

Description

  The present invention relates to a front-end module and a receiving apparatus that can be applied to a television tuner or the like that receives digital television broadcasting.

  In recent years, terrestrial analog television broadcasts, terrestrial digital television broadcasts, and satellite wave digital television broadcasts have been transmitted at the same time, and simultaneous viewing and recording on two channels is required using a combination of various broadcast waves. It is coming.

  In the case of a recording device, it is also necessary to output a television broadcast signal as an RF signal from a signal output terminal to another module.

  When these are to be realized, one splitter module and two or three front-end modules are provided separately (see, for example, Patent Document 1).

  Patent Document 2 describes a digital broadcast receiving apparatus having a plurality of tuners.

JP 2007-116358 A WO2006-109477

By the way, in the conventional front-end module, because of the structure, the contact surface between the reference RF input terminal portion and the case of a television, a recording device, or a set-top box is less susceptible to radiation. There is a disadvantage that it is difficult to obtain.
Further, when four input / output terminals are realized by one tuner, there is a limitation that the input / output terminals can be arranged only in a one-dimensional arrangement in a horizontal row or a vertical row.

  The present invention can easily improve basic performance and reduce radiation without complicating the configuration, and two or more sets of input / output terminals are arranged two-dimensionally with one front-end module. It is an object of the present invention to provide a front-end module and a receiving device that can perform the above-described operation.

  A front end module according to a first aspect of the present invention includes a front end module substrate having a tuner function part and a mounting surface having a size capable of two-dimensionally arranging antenna connectors, and an inner side surface of the front end module. A case body disposed so as to face one mounting surface of the substrate; and a plurality of antenna connectors disposed two-dimensionally on an outer surface of the case body, wherein the core wires of the plurality of antenna connectors are The inside of the case body is linearly extended and electrically connected to the mounting surface terminals of the front end module substrate. The case body has the mounting surface of the antenna connector of the case body connected to the ground. Is done.

  A receiving apparatus according to a second aspect of the present invention demodulates an antenna connector connected to an antenna that receives a broadcast wave signal, a frequency converter of the broadcast wave signal input through the antenna connector, and a frequency-converted received signal. A front end module including at least a frequency conversion unit of the demodulating unit, the front end module having a tuner function unit, and a mounting surface having a size capable of two-dimensionally arranging the antenna connector. A front end module substrate, a case body disposed so that an inner surface thereof faces one mounting surface of the front end module substrate, and a plurality of antenna connectors two-dimensionally disposed on an outer surface of the case body; And the core wires of the plurality of antenna connectors are linearly extended inside the case body. Te is electrically connected to the mounting surface terminal of the front-end module substrate, the case body, the mounting surface of the antenna connector of the case body is connected to the ground.

  According to the present invention, it is possible to easily improve basic performance and reduce radiation without complicating the configuration, and two or more sets of input / output terminals are arranged two-dimensionally with one front-end module. can do.

It is an external appearance perspective view which shows the outline | summary of the front end module which concerns on this embodiment. FIG. 3 is a simplified cross-sectional view of first and second shield covers of the front end module of FIG. 1. It is the front view seen from the antenna connector mounting surface of the front end module of FIG. It is an external appearance perspective view which shows the outline | summary of the front end module as a comparative example. FIG. 5 is a simplified cross-sectional view of first and second shield covers of the front end module of FIG. 4. In a comparative example, it is a figure which shows the example which arranged the antenna connector equivalent to a satellite input terminal, a satellite through output terminal, a ground input terminal, and a ground through output terminal in the X-axis direction which is a one-dimensional direction, or the Y-axis direction. . In the front end module according to the present embodiment, it is a diagram illustrating an example in which a case length is a distance to a set case that is an ideal ground GND. In the front end module of a comparative example, it is a figure which shows the example which is the distance to the set case in which case length is made into the ideal ground GND. It is a figure which shows the 1st structural example of the broadcast signal receiving system mounted in the front end module board | substrate which concerns on this embodiment. It is a figure which shows the structural example of the oscillation system of the 1st and 2nd satellite wave tuner which concerns on this embodiment, and the 1st and 2nd terrestrial wave tuner. It is a figure which shows the structure which replaced the structure of FIG. 10, and the arrangement position of the 1st and 2nd satellite wave tuner. It is a block diagram which shows the structural example of the digital analog demodulation part which concerns on this embodiment. It is a figure which shows the 2nd structural example of the broadcast signal receiving system mounted in the front end module board | substrate which concerns on this embodiment. It is a figure which shows the structural example of the receiver which employ | adopted the front end module which concerns on this embodiment. It is a figure which shows the other structural example of the receiver which employ | adopted the front end module which concerns on this embodiment.

Hereinafter, this embodiment will be described with reference to the drawings.
The description will be given in the following order.
1. 1. Configuration example of front-end module 2. First configuration example of broadcast wave receiving system mounted on front-end module substrate 3. Second configuration example of broadcast wave receiving system mounted on front end module substrate 4. First configuration example of receiving apparatus Second configuration example of receiving apparatus

<1. Example of front-end module configuration>
FIG. 1 is an external perspective view showing an outline of a front end module according to the present embodiment.
FIG. 2 is a simplified cross-sectional view in the first and second shield covers of the front end module of FIG.
FIG. 3 is a front view of the front end module of FIG. 1 as viewed from the antenna connector mounting surface.

As shown in the figure, the front end module 10 includes a front end module substrate 11, a set case 12, a first shield cover 13, a second shield cover 14, and a plurality of antenna connectors 15-1, 15-2, 15-3, 15-4.
Further, the front end module 10 includes a connection terminal 16, a main board 17 as a mother board, and a support body 18.
Here, the case body 20 is formed by bringing the mutually facing surfaces of the set case 12 and the first shield cover 13 into contact with each other.
Here, “set” is a term used to abbreviate a television, a recording device, and a set top box as a whole.

The front end module substrate 11 is formed with a tuner function unit that functions as a tuner module that receives broadcast wave signals, and the planar mounting surface 11a has a size that allows a plurality of antenna connectors 15 to be arranged two-dimensionally.
The inner surface of the first shield cover 13 forming the case body 20 is disposed so as to face one mounting surface 11 a of the front end module substrate 11.
As an example, four antenna connectors 15-1 to 15-4 are two-dimensionally arranged on the outer surface of the set case 12 that forms the case body 20.
The other mounting surface 11b of the front end module substrate 11 forming the case body 20 and the inner side surface of the second shield cover 14 are arranged to face each other.
Thus, in the present embodiment, the front end module substrate 11 is disposed in the accommodation space SPC between the inner side surface of the first shield cover 13 and the inner side surface of the second shield cover 14.
Therefore, the set case 12 and the first shield cover 13 that are integrally joined to form the case body 20 and the mounting surface 11a of the front end module substrate 11 are disposed at a very short distance.
The plurality of antenna connectors 15-1 to 15-4 are linearly extended and electrically connected to the mounting surface terminals of the front end module substrate 11 inside the case body in the housing space.
In the present embodiment, the mounting surface of the antenna connector of the case body 20, and the mounting surface of the set case 12 in the configuration of FIG. 2 is connected to the ground GND.
For example, as shown in FIG. 1, by connecting the ground terminal to the ground GND of the set case 12 through a screw hole 13a formed in the first shield cover 13 by screwing or the like, the planar mounting surface becomes the ground potential. It becomes.

The front end module 10 includes the following antenna connectors as four antenna connectors.
The front end module 10 has a first antenna connector 15-1 as a satellite wave input terminal and a satellite wave through terminal for passing the satellite wave signal input from the satellite wave input terminal and outputting it to another module. Second antenna connector 15-2.
The front-end module 10 has a third antenna connector 15-3 as a terrestrial input terminal, and a terrestrial through terminal for outputting a satellite wave signal input from the terrestrial input terminal to another module. And a fourth antenna connector 15-4.
In FIG. 1, a first antenna connector 15-1 and a second antenna connector 15-2 are two-dimensionally arranged adjacent to each other in the Y direction on the left end side of the case body 20 in the figure.
In FIG. 1, a third antenna connector 15-3 and a fourth antenna connector 15-5 are two-dimensionally arranged adjacently in the Y direction on the right end side of the case body 20 in the figure.

The front end module 10 has a connection terminal 16 for connecting to a front substrate module 11 and a main substrate 17 extending laterally perpendicular to the arrangement direction (stacking direction) of the case body 20.
The front end module 10 is mounted on the main board 17 so that the mounting surface 17a of the main board 17 and the mounting surface 20a of the antenna connector of the case body 20 are orthogonal to each other in a state where the connection terminals 16 and the main board 17 are connected. The

The case body 20 is supported by the main board 17 in a state where the mounting surface 17a of the main board 17 and the mounting surface 20a of the antenna connector of the case body 20 are orthogonal to each other. It has the support body 18 to hold | maintain.
In the example of FIG. 3, a support 18a of the support 18 is inserted into the main board 17, and an insertion hole for supporting the support 18 on the mounting surface 17a is formed.
In the example of FIG. 3, the support 18 has a notch 13b formed at the center of the lower edge of the first shield cover 13, and can be moved or rotated by a predetermined range around the notch 13b. Configured.

The front end module substrate 11 is mounted with an integrated circuit (IC) 19 which is a circuit function unit described below.
As will be described later, the front-end module substrate 11 has a first input terminal to which a satellite wave broadcast signal is input through the first antenna connector 15-1, and a terrestrial broadcast signal through the third antenna connector 15-3. Is input to the second input terminal.
The front end module substrate 11 includes a first output terminal for outputting a satellite wave broadcast signal input from the first input terminal through the second antenna connector 15-2.
The front end module substrate 11 includes a second output terminal for outputting the terrestrial broadcast signal input from the second input terminal through the fourth antenna connector 15-4.
The front-end module substrate 11 distributes the satellite wave digital broadcast signal input from the first input terminal to the first satellite wave broadcast signal and the second satellite wave broadcast signal, and receives the input satellite wave digital broadcast signal. A first distributor for supplying a broadcast signal to the first output terminal is included.
The front-end module substrate 11 distributes the terrestrial broadcast signal input from the second input terminal to the first terrestrial broadcast signal and the second terrestrial broadcast signal, and the input terrestrial broadcast signal Is included in the second output terminal.
The first satellite wave broadcast signal distributed by the first distribution unit is supplied to the front end module substrate 11, and the first frequency for converting the frequency of the first satellite wave broadcast signal into a first baseband signal is provided. Includes a conversion unit.
The second satellite wave broadcast signal distributed by the first distribution unit is supplied to the front end module substrate 11, and a second frequency for frequency-converting the second satellite wave broadcast signal into a second baseband signal is provided. Includes a conversion unit.
The front-end module substrate 11 is supplied with the first terrestrial broadcast signal distributed by the second distributor, and a third frequency for converting the first terrestrial broadcast signal into a first intermediate frequency signal. Includes a conversion unit.
The front-end module substrate 11 is supplied with the second terrestrial broadcast signal distributed by the second distributor, and a fourth frequency for converting the second terrestrial broadcast signal into a second intermediate frequency signal. Includes a conversion unit.

Although the IC 19 including the above-described parts is mounted on the front end module substrate 11, it can be formed as an IC 19A having a demodulating part as another IC.
The IC 19A includes a first demodulating unit having a function of demodulating the first baseband signal by the first frequency converting unit and the first intermediate frequency signal by the third frequency converting unit in addition to the above units. Including.
Further, the IC 19A includes a second demodulator having a function of demodulating the second baseband signal by the second frequency converter and the second intermediate frequency signal by the fourth frequency converter.

As described above, in this embodiment, the antenna connectors 15-1 to 15-4 can be assigned as a satellite input terminal, a satellite through output terminal, a ground input terminal, and a ground through output terminal, respectively.
The first shield cover 13 and the second shield cover 14 suppress radiation.
The front end module substrate 11 of the front end module 10 is vertically connected to the main substrate 17 which is a mother substrate.
The front end module substrate 11 of the front end module 10 and the main substrate 17 which is a mother substrate are vertically connected to each other, so that the stability of the tuner is maintained by the support body 18 which serves as a support for maintaining stability. It has a structure.

Here, a general front end module as a comparative example will be described.
Here, in order to facilitate understanding, the same functional parts as those in FIGS.

FIG. 4 is an external perspective view showing an outline of a front end module as a comparative example.
FIG. 5 is a simplified cross-sectional view in the first and second shield covers of the front end module of FIG.
FIG. 4 is an example of an external shape of the front end module 10C of the comparative example, and FIG. 5 is a side view of the front end module of FIG. 4 connected to a set such as a recording device or a set top box. .

In order to ensure the optimum characteristics of the front end module, it is important to stabilize the ground GND.
Usually, the most stable ground GND that serves as a reference for the front-end module is the set case 12C joined to the input / output terminal portion.
With the shape of the front end module 10C of the comparative example, the contact area between the set case 12C and the front end case 21 is small as shown in FIG.
Further, since the distance between the front end module substrate 11C on which the IC 19C inside the front end module 10C is mounted and the set case 12C is long, it is difficult to keep the impedance of the set case 12C and the front end module substrate 11C small.
For this reason, the front end module 10C of the comparative example is characterized in that it is difficult to stabilize the ground GND of the front end module substrate 11C, and it is difficult to suppress the radiation characteristics.

FIG. 2 is a side view of FIG. 1 with respect to the connection with the set incorporating the front end module 10 according to the present embodiment.
The antenna connectors 15-1, 15-2, 15-3, and 15-4 are any of satellite input terminals, satellite through output terminals, ground input terminals, and ground through output terminals.
As described above, in the present embodiment, the first shield cover 13 is joined in close contact with the case 12 of the set.
With the shape according to the present embodiment, the front end module substrate 11 on which the IC 19 inside the front end module 10 is mounted is connected to the set case 12 via the front end case 21 and the first shield cover 13. .
As a result, the first shield cover 13 and the set case 12 are in contact with each other over a wide area, and the front end module substrate 11 and the set case 12 are disposed at a very short distance.
For this reason, the impedance of the joint surface can be made extremely low, and the ground GND of the front end module substrate 11 can be easily stabilized.
For this reason, the front end module 10 of this embodiment has the characteristics that radiation can be easily suppressed and performance can be improved.

In general, a shield cover is used to reduce radiation in the front end module, and the first shield cover 13 in FIG. 2 corresponds to the structure of the front end module 10 of the present embodiment.
In the structure of FIG. 2, the first shield cover 13 is in close contact with the set case 12, but the front end case 21 and the set case 12 are in close contact with each other without the first shield cover 13 being structurally interposed. It is possible. For this reason, the set case 12 can be used as an alternative to the first shield cover 13.

The antenna connectors 15-1 to 15-4, which are front end modules 10C having four input / output terminals of the comparative example, are arranged as follows.
In the comparative example, as shown in FIG. 6 as viewed vertically from the input / output terminal surface of FIG. 4, antenna connectors 15-1 to 15- corresponding to the satellite input terminal, the satellite through output terminal, the ground input terminal, and the ground through output terminal. Four 4 are arranged in the X-axis direction or the Y-axis direction which is a one-dimensional direction.
Therefore, in the comparative example, when the two-dimensional input / output terminal arrangement equivalent to that of the present embodiment is used, it is necessary to prepare two or more front-end modules having a function of receiving terrestrial / satellite waves.

FIG. 3 is a diagram when FIG. 1 showing the present embodiment is viewed vertically from the input / output terminal surface. Here, the antenna connectors 15-1 to 15-4 corresponding to the satellite input terminal, the satellite through output terminal, the ground input terminal, and the ground through output terminal can be arranged in two shapes in the X axis direction and two in the Y axis direction. It has become.
In addition, according to the structure of the set case 12, the input / output terminals can be freely arranged in two dimensions (X axis, Y axis).

FIG. 7 is a diagram illustrating an example in which the case length L1 is a distance to the set case 12 that is an ideal ground GND in the front end module according to the present embodiment.
FIG. 8 is a diagram illustrating an example in which the case length L1C is a distance to the set case 12 that is the ideal ground GND in the front end module of the comparative example.

The case lengths L1 and L1C of the front end modules 10 and 11C shown in the figure have a function as an antenna against radiation.
As an example, the frequency band of satellite broadcasting in Japan is up to about 2 GHz. When the wavelength λ at the frequency F = 2 GHz is calculated, the wavelength λ = the speed of light C ÷ the resonance frequency F, and the wavelength λ is 15 cm.
The case length L1 of the front end module 10 that resonates with the frequency F = 2 GHz can be calculated as the case length L1 of the front end module = wavelength λ ÷ 4, and the case length L1 of the front end module 10 is L = 3. 75 cm.
In FIG. 8, the case length L1C of the front end module 10C of the comparative example is set to be long, and the case of the front end module may be a radiation source.
According to the present embodiment, since the case length L1 of the front end module 10 can be extremely shortened, the generation of radiation can be prevented.

As described above, according to the front end module of the present embodiment, the following effects can be obtained.
The set case 12 that is an ideal ground GND and the front end module 10 can be joined with an extremely low impedance. For this reason, the ground GND of the front end module 10 can be kept stable, and the basic performance can be easily improved and the radiation can be easily reduced.
Further, since the set case 12 can be connected to a metal having an extremely large area, the set case 12 can be used as a heat sink of the front end module 10. As a result, the effect of suppressing the temperature rise of the front end module 10 can be provided.
Furthermore, since the front end module 10 and the set case 12 are in close contact with each other, the set case 12 can be used in place of the shield cover 13 of the front end module 10 that has been conventionally required.
The front-end module 10C of the comparative example can reduce the size of the set by realizing the two-dimensional arrangement of the four input / output terminals that could not be realized if there were not two or more in one front-end module. In addition, the depth can be shortened.

<2. First configuration example of broadcast wave receiving system mounted on front-end module substrate>
Hereinafter, a configuration example of an IC mounted on the front end module substrate of the front end module according to the present embodiment having the above characteristics will be described.
FIG. 9 is a diagram showing a first configuration example of a broadcast signal receiving system mounted on the front end module substrate according to the present embodiment.

The receiving system 30 is a single front-end module configured to receive terrestrial analog television broadcast, terrestrial digital television broadcast, and satellite digital television broadcast without interference between the digital circuit and the analog circuit. Yes.
The receiving system 30 is configured to be capable of receiving a plurality of broadcasts simultaneously on two channels, such as a signal distribution unit, a frequency converter and a demodulator separated from each other, and a separation position of the terrestrial frequency converter. Is adopted.
Further, in the receiving system 30, the TS (transport stream) clock output which is a demodulated signal of the terrestrial digital television broadcast and the satellite wave digital television broadcast is filtered, and the GND of the digital circuit unit and the analog circuit unit is shared. It has been broken.
Further, in the receiving system 30, a GND pattern design measure is taken in consideration of the return current flowing through the GND section.

Hereinafter, a specific configuration and function of the broadcast signal receiving system 30 will be described.
In the following description, the satellite wave digital television broadcast RF signal is referred to as a satellite wave digital broadcast signal, and the analog and digital terrestrial television broadcast RF signals are referred to as terrestrial broadcast signals.
Further, as an example, the frequency bands applied in the present embodiment are as follows.
The VHF band is 30 MHz to 300 MHz, the UHF band is 300 MHz to 3 GHz, and the satellite wave band is 950 MHz to 2150 MHz.

In the receiving system 30, the following functional blocks are arranged separately on one front-end module substrate 31.
The module substrate 31 is provided with a first distributor 32, a second distributor 33, a first satellite wave tuner 34, a second satellite wave tuner 35, a first terrestrial tuner 36, and a second terrestrial tuner 37. The digital analog demodulator 38 and the digital demodulator 39 are formed separately.
The first satellite wave tuner 34 functions as a first frequency conversion unit, and the second satellite wave tuner 35 functions as a second frequency conversion unit.
The first terrestrial tuner 36 functions as a third frequency converter, and the second terrestrial tuner 37 functions as a fourth frequency converter.
The digital analog demodulator 38 functions as a first demodulator, and the digital demodulator 39 functions as a second demodulator.
In the example of FIG. 9, the IC configuration includes a demodulation unit. However, as described above, an IC configuration that does not include a demodulation unit can also be employed.

The module substrate 31 is formed in a rectangular shape.
A first input terminal TI31, a second input terminal TI32, a first output terminal TO31, and a second output terminal TO32 are formed on the first edge (side) 31a of the module substrate 31.
The core wire of the antenna connector 15-1 is connected to the first input terminal TI31, and the core wire of the antenna connector 15-3 is connected to the first input terminal TI32. The first output terminal TO31 is connected to the core wire of the antenna connector 15-2, and the second output terminal TO32 is connected to the core wire of the antenna connector 15-4.

In the module substrate 31, a first input terminal TI31 and a first output terminal TO31 are formed close to and parallel to a first edge 31a on the upper left side in FIG.
And the 1st distribution part 32 is arrange | positioned so as to oppose the formation position of 1st input terminal TI31 and 1st output terminal TO31.
In the module substrate 31, the second input terminal TI32 and the second output terminal TO32 are formed in parallel in close proximity to the first edge 31a on the lower left side in FIG.
And the 2nd distribution part 33 is arrange | positioned so as to oppose the formation position of 2nd input terminal TI32 and 2nd output terminal TO32.

The first input terminal TI31 receives the satellite wave digital broadcast signal Sat, and inputs the satellite wave digital broadcast signal Sat to the first distributor 32.
The first output terminal TO31 is configured to be able to output the satellite wave digital broadcast signal Sat input from the first input terminal TI31 to the first distributor 32 to another module device.
The terrestrial broadcast signal Terr is input to the second input terminal TI 32, and the terrestrial broadcast signal Terr is input to the second distribution unit 33.
The second output terminal TO32 is configured to be capable of outputting the terrestrial broadcast signal Terr input from the second input terminal TI32 to the second distribution unit 33 to another module device.

A third output terminal TO33 and a fourth output terminal TO34 are formed on the second edge 31b opposite to the first edge 31a of the module substrate 31.
A fifth output terminal TO35 and a sixth output terminal TO36 are formed on the third edge 31c of the module substrate 31 at a position close to the second edge 31b.
In the module substrate 31, a third output terminal TO33 is formed below the central portion of the second edge 31b on the right side in FIG.
In the module substrate 31, a fourth output terminal TO34 is formed above the center of the second edge 31b on the right side in FIG.
In the module substrate 31, the fifth output terminal TO35 and the sixth output terminal TO36 are formed close to each other in parallel at a position close to the second edge 31b of the lower third edge 31c in FIG. .
On the lower right side of the module substrate 31 in FIG. 9, a digital signal serving as a first demodulator is provided close to the formation positions of the third output terminal TO33 and the fifth output terminal TO35 and the sixth output terminal TO36. An analog demodulator 38 is arranged.
On the upper right side of the module substrate 31 in FIG. 9, a digital demodulator 39 as a second demodulator is disposed in the vicinity of the formation position of the fourth output terminal TO34.

The third output terminal TO33 is arranged to output a TS (transport stream) generated by the digital / analog demodulator 38 as the first demodulator.
The fourth output terminal TO34 is arranged to output TS generated by the digital demodulator 39 as the second demodulator.
The fifth output terminal TO35 is arranged to output the analog video signal ASV generated by the digital / analog demodulator 38.
The sixth output terminal TO36 is arranged to output the analog audio signal ASA generated by the digital / analog demodulator 38.

The first distributor 32 distributes the satellite wave digital broadcast signal Sat input from the first input terminal TI31 into the first satellite wave broadcast signal Sat1 and the second satellite wave broadcast signal Sat2, and receives the input satellite. The wave digital broadcast signal Sat is supplied to the first output terminal TO31.
The first distribution unit 32 supplies the distributed first satellite wave broadcast signal Sat1 to the first satellite wave tuner 34 as a first frequency conversion unit via the first signal line SL31.
The first distribution unit 32 supplies the distributed second satellite wave broadcast signal Sat2 to the second satellite wave tuner 35 as the second frequency conversion unit via the second signal line SL32.

  As shown in FIG. 9, the first distribution unit 32 includes a high-pass filter (HPF) 321, a low noise amplifier (LNA) 322, and a distributor 323.

The HPF 321 removes unnecessary components of the satellite wave digital broadcast signal Sat input from the first input terminal TI31 and outputs the result to the LNA 322.
The LNA 322 amplifies the satellite wave digital broadcast signal Sat from which unnecessary components have been removed by the HPF 321 and outputs the amplified signal to the distributor 323.
The distributor 323 distributes the satellite wave digital broadcast signal Sat output from the LNA 322 into the first satellite wave broadcast signal Sat1, the second satellite wave broadcast signal Sat2, and the output satellite wave digital broadcast signal SatO.
The distributor 323 supplies the distributed first satellite wave broadcast signal Sat1 to the first satellite wave tuner 34 as a first frequency converter via the first signal line SL31.
The distributor 323 supplies the distributed second satellite wave broadcast signal Sat2 to the second satellite wave tuner 35 as the second frequency conversion unit via the second signal line SL32.
The distributor 323 supplies the distributed output satellite wave digital broadcast signal SatO to the first output terminal TO31.

The second distribution unit 33 distributes the terrestrial broadcast signal Terr input from the second input terminal TI32 into the first terrestrial broadcast signal Terr1 and the second terrestrial broadcast signal Terr2, and receives the input terrestrial wave The broadcast signal Terr is supplied to the second output terminal TO32.
The second distributor 33 supplies the distributed first terrestrial broadcast signal Terr1 to the first terrestrial tuner 36 as a third frequency converter via the third signal line SL33.
The second distribution unit 33 supplies the distributed second terrestrial broadcast signal Terr2 to the second terrestrial tuner 37 as the fourth frequency conversion unit via the fourth signal line SL34.

As shown in FIG. 9, the second distribution unit 33 includes a low-pass filter (LPF) 331, an LNA 332, and distributors 333 and 334.
The distributor 333 corresponds to the fourth distributor, and the distributor 334 corresponds to the third distributor.

The LPF 331 removes unnecessary components of the terrestrial broadcast signal Terr input from the second input terminal TO32 and outputs the result to the distributor 334.
The distributor 334 distributes the terrestrial broadcast signal Terr output from the LPF 331 into two, outputs one of the distributed terrestrial broadcast signals to the LNA 332, and outputs the other distributed terrestrial broadcast signal to the output terrestrial wave. The broadcast signal TerrO is supplied to the second output terminal TO32.
The LNA 332 amplifies one terrestrial broadcast signal from the distributor 334 and outputs the amplified signal to the distributor 333.
The distributor 333 distributes the terrestrial broadcast signal Terr output from the LNA 332 into the first terrestrial broadcast signal Terr1 and the second terrestrial broadcast signal Terr2.
The distributor 333 supplies the distributed first terrestrial broadcast signal Terr1 to the first terrestrial tuner 36 as a third frequency converter via the third signal line SL33.
The distributor 333 supplies the distributed second terrestrial broadcast signal Terr2 to the second terrestrial tuner 37 as the fourth frequency conversion unit via the fourth signal line SL34.

The first satellite wave tuner 34 is supplied with the first satellite wave broadcast signal Sat1 distributed by the first distributor 32, and converts the frequency of the first satellite wave broadcast signal Sat1 into a first baseband signal. A function as a first frequency converter.
The first satellite wave tuner 34 outputs a first baseband signal obtained by frequency conversion as a signal S34 to a digital analog demodulator 38 as a first demodulator.

The second satellite wave tuner 35 is supplied with the second satellite wave broadcast signal Sat2 distributed by the first distributor 32, and frequency-converts the second satellite wave broadcast signal Sat2 into a second baseband signal. And function as a second frequency converter.
The second satellite wave tuner 35 outputs a second baseband signal obtained by frequency conversion as a signal S35 to a digital demodulator 39 as a second demodulator.

The first terrestrial tuner 36 is supplied with the first terrestrial broadcast signal Terr1 distributed by the second distributor 33, and converts the frequency of the first terrestrial broadcast signal Terr1 into a first intermediate frequency signal. Function as a third frequency converter.
The first terrestrial tuner 36 outputs the first intermediate frequency signal to the digital / analog demodulator 38 as a signal S36.
The second terrestrial tuner 37 is supplied with the second terrestrial broadcast signal Terr2 distributed by the second distributor 33, and converts the second terrestrial broadcast signal Terr2 into a second intermediate frequency signal. Function as a fourth frequency converter.
The second terrestrial tuner 37 outputs the second intermediate frequency signal to the digital demodulator 39 as a signal S37.

FIG. 10 is a diagram illustrating a configuration example of the oscillation systems of the first and second satellite wave tuners and the first and second terrestrial tuners according to the present embodiment.
In FIG. 10, only the oscillation system is shown, and a mixer or the like that receives the clock signal from the oscillation system and mixes the input broadcast signal is omitted.

The first satellite wave tuner 34 includes, for example, a local oscillator 341 including a voltage controlled oscillator (VCO) that oscillates a local oscillation signal having a frequency of 2150 MHz to 4300 MHz, a buffer 342, and a frequency divider 343.
The first satellite wave tuner 34 includes, for example, a crystal oscillator 344 that oscillates a reference clock having a frequency of 16 MHz, a buffer 345, and a PLL circuit 346.
The PLL circuit 346 supplies a clock signal obtained by phase-synchronizing the local oscillation signal divided by the frequency divider 343 with the reference clock signal to a mixer (not shown).

The second satellite wave tuner 35 includes a local oscillator 351 including a voltage controlled oscillator (VCO) that oscillates a local oscillation signal having a frequency of 2150 MHz to 4300 MHz, a buffer 352, and a frequency divider 353, for example.
The second satellite wave tuner 35 includes a crystal oscillator 354 that oscillates a reference clock having a frequency of 16 MHz, a buffer 355, and a PLL circuit 356, for example.
The PLL circuit 356 supplies a clock signal obtained by phase-synchronizing the local oscillation signal divided by the frequency divider 353 with the reference clock signal to a mixer (not shown).

The first terrestrial tuner 36 includes, for example, a local oscillator 361 composed of a voltage controlled oscillator (VCO) that oscillates a local oscillation signal having a frequency of 1800 MHz to 3600 MHz, a buffer 362, and a frequency divider 363.
The first terrestrial tuner 36 includes, for example, a crystal oscillator 364 that oscillates a reference clock having a frequency of 4 MHz, a buffer 365, and a PLL circuit 366.
The PLL circuit 366 supplies a clock signal obtained by synchronizing the phase of the local oscillation signal divided by the frequency divider 363 with the reference clock signal to a mixer (not shown).

The second terrestrial tuner 37 includes a local oscillator 371 composed of a voltage controlled oscillator (VCO) that oscillates a local oscillation signal having a frequency of 1800 MHz to 3600 MHz, a buffer 372, and a frequency divider 373, for example.
The second terrestrial tuner 37 includes, for example, a crystal oscillator 374 that oscillates a reference clock having a frequency of 4 MHz, a buffer 375, and a PLL circuit 376.
The PLL circuit 376 supplies a clock signal obtained by synchronizing the phase of the local oscillation signal divided by the frequency divider 373 with the reference clock signal to a mixer (not shown).

The first satellite wave tuner 34, the second satellite wave tuner 35, the first terrestrial tuner 36, and the second terrestrial tuner 37 are distributed by the first distributor 32 and the second distributor 33. Arranged in parallel with the output.
In the present embodiment, as one of countermeasures against disturbances such as noise, among the four tuners 34 to 37 arranged in parallel, the first terrestrial tuner 36 and the second terrestrial tuner 37 are the module substrate 31. Are spaced apart on the edge side (outside).
That is, since terrestrial tuners have analog broadcasts that are most susceptible to interference, by placing each of the terrestrial tuners on the edge side (end) of the module substrate 31, local oscillation interference can be prevented. Countermeasures are taken.
It should be noted that this noise interference countermeasure is not necessarily adopted when the front end module 10 of the present embodiment is applied. This is because the case length L1 of the front-end module 10 of the present embodiment can be extremely shortened, so that the generation of radiation can be prevented.

9 and 10, the first terrestrial tuner 36 as a third frequency converter that performs frequency conversion of a terrestrial broadcast signal and the second terrestrial tuner 37 as a fourth frequency converter are provided. Arranged outside the parallel arrangement.
Specifically, in a substantially central portion of the module substrate 31, the first terrestrial tuner 36 is disposed on the third edge 31c side, and the second terrestrial tuner 37 is disposed on the fourth edge 31d side. Yes.
A first satellite wave tuner 34 and a second frequency conversion unit as a first frequency conversion unit are disposed between the arrangement unit of the first terrestrial tuner 36 and the arrangement unit of the second terrestrial tuner 37. As a second satellite wave tuner is arranged in parallel.
In this case, the first terrestrial tuner 36, the first satellite wave tuner 34, the second satellite wave tuner 35, and the second terrestrial tuner 37 from the third edge 31c side which is one outer arrangement portion. Are arranged in order.
With respect to the outputs of the first terrestrial tuner 36, the first satellite wave tuner 34, the second satellite wave tuner 35, and the second terrestrial tuner 37 arranged in parallel, a digital analog demodulator 38 and a digital demodulator The parts 39 are arranged in parallel.
The first terrestrial tuner 36 and the first satellite wave tuner 34 are arranged in parallel so that the output side faces the input side of the digital analog demodulator 38 as the first demodulator.
The second satellite wave tuner 35 and the second terrestrial tuner 37 are arranged in parallel so that the output side faces the input side of the digital demodulator 39 as the second demodulator.

Note that the first satellite wave tuner 34 and the second satellite wave tuner 35 can be arranged with their arrangement positions changed as shown in FIG.
In this case, the first terrestrial tuner 36, the second satellite wave tuner 35, the first satellite wave tuner 34, and the second terrestrial tuner 37 from the third edge portion 31c side which is one outer arrangement portion. Are arranged in order.
With respect to the outputs of the first terrestrial tuner 36, the second satellite wave tuner 35, the first satellite wave tuner 34, and the second terrestrial tuner 37 arranged in parallel, a digital analog demodulator 38 and a digital demodulator The parts 39 are arranged in parallel.
The first terrestrial tuner 36 and the second satellite wave tuner 35 are arranged in parallel so that the output side faces the input side of the digital analog demodulator 38 as the first demodulator.
The first satellite wave tuner 34 and the second terrestrial tuner 37 are arranged in parallel so that the output side faces the input side of the digital demodulator 39 as the second demodulator.

The digital / analog demodulator 38 includes a first baseband signal by a first satellite wave tuner 34 as a first frequency converter and a first intermediate signal by a first terrestrial tuner 36 as a third frequency converter. It functions as a first demodulator having a frequency signal demodulation function.
As shown in FIGS. 10 and 11, the digital / analog demodulator 38 includes a crystal oscillator 381 that generates a master lock and an analog / digital converter (ADC) 382.

The digital / analog demodulation unit 38 includes a digital demodulation and an analog demodulation function, and has the following functions.
The digital / analog demodulation unit 38 demodulates the video signal and audio signal of the first baseband signal by the first satellite wave tuner 34 to generate a first transport stream.
When the first intermediate frequency signal by the first terrestrial tuner 36 is a signal obtained by frequency-converting the terrestrial digital broadcast signal, the digital analog demodulator 38 converts the video signal and audio signal of the first intermediate frequency signal. Demodulate to generate a second transport stream.
When the first intermediate frequency signal is a signal obtained by frequency-converting the terrestrial analog broadcast signal, the digital analog demodulator 38 demodulates the video signal and audio signal of the first intermediate frequency signal, and the analog video signal ASV and An analog audio signal ASA is generated.
The digital / analog demodulation unit 38 supplies the generated first transport stream or second transport stream to the third output terminal TO33.
The digital analog demodulator 38 supplies the generated analog video signal to the fifth output terminal TO35, and supplies the analog audio signal to the sixth output terminal TO36.

  FIG. 12 is a block diagram illustrating a configuration example of the digital analog demodulation unit according to the present embodiment.

The digital analog demodulator 38 includes a satellite wave demodulator 383, a terrestrial digital demodulator 384, and a terrestrial analog demodulator 385.
The satellite wave demodulator 383 corresponds to the ISDB-S (Integrated Services Digital Broadcasting-Satellite) system, the terrestrial digital demodulator 384 corresponds to the ISDB-T (Terrestrial) system, and the terrestrial analog demodulator 385 conforms to the NTSC system. It corresponds.

The satellite wave demodulation unit 383 includes ADCs 3831-1 and 3831-2, an 8PSK demodulator 3832, a Viterbi decoder 3833, a Reed-Solomon (RS) decoder 3834, and a TS output control unit 3835.
The satellite wave demodulation unit 383 includes a TMCC (Transmission and Multiplexing Configuration and Control) unit 3836, a status monitor 3837, and an AGC (Auto Gain Control) unit 3838 corresponding to emergency alert broadcasting.
The TS output control unit 3835 outputs TS and outputs error information.
The status monitor 3837 outputs an emergency warning signal (EWS), a demodulation OK flag indicating that the demodulation is normally completed, and the like.

The terrestrial digital demodulation unit 384 includes an OFDM demodulator 3841, a Viterbi decoder 3842, an RS decoder 3843, a TS output control unit 3844, a TMCC unit 3845 corresponding to emergency warning broadcasting, a status monitor 3848, and an AGC unit 3847.
The status monitor 3846 performs output of EWS, output of a demodulation OK flag indicating that demodulation is normally completed, and the like.

The terrestrial analog demodulation unit 385 includes a video intermediate frequency signal processing unit (VIF) 3851, a digital analog converter (DAC) 3852, a sound intermediate frequency signal processing unit (SIF) 3853, an audio multiplexing demodulator 3854, and an AGC unit 3855. Have.
The DAC 3852 outputs an analog video signal, and the audio multiplex demodulator 3854 outputs an analog audio signal.

The digital demodulator 39 includes a second baseband signal by a second satellite wave tuner 35 as a second frequency converter and a second intermediate frequency by a second terrestrial tuner 37 as a fourth frequency converter. It functions as a second demodulator having a signal demodulation function.
As shown in FIGS. 10 and 11, the digital demodulator 39 includes a crystal oscillator 391 that generates a master lock, and an analog-digital converter (ADC) 392.

The digital demodulator 39 includes a digital demodulation function, and has the following functions.
The digital demodulator 39 demodulates the video signal and audio signal of the second baseband signal by the second satellite wave tuner 35 to generate a third transport stream.
When the second intermediate frequency signal by the second terrestrial tuner 37 is a signal obtained by frequency-converting the terrestrial digital broadcast signal, the digital demodulator 39 demodulates the video signal and audio signal of the second intermediate frequency signal. Then, the fourth transport stream is generated.

  The digital demodulator 39 supplies the generated third transport stream or fourth transport stream to the fourth output terminal TO34.

  Digital demodulator 39 has the same configuration as satellite wave demodulator 383 and terrestrial digital demodulator 384 shown in FIG.

The reception system having the above configuration can receive terrestrial analog television broadcasts, terrestrial digital television broadcasts, and satellite wave digital television broadcasts without interference between digital circuits and analog circuits with a single front-end module. is there.
The receiving system 30 can receive these multiple broadcasts simultaneously on two channels.
The receiving system 30 receives a combination of terrestrial analog television broadcast and terrestrial digital television broadcast, terrestrial analog television broadcast and satellite wave digital television broadcast, terrestrial digital television broadcast and terrestrial digital television broadcast. Is possible.
The receiving system 310 can receive a combination of terrestrial digital television broadcast and satellite wave digital television broadcast, or satellite wave digital television broadcast and satellite wave digital television broadcast.

Next, the operation will be described.
The satellite wave digital broadcast signal Sat is input to the first input terminal TI31 for inputting the satellite wave signal and supplied to the first distributor 32.
In the first distribution unit 32, unnecessary components are removed by the HPF 321, amplified by the LNA 322, the first satellite wave broadcast signal Sat 1, the second satellite wave broadcast signal Sat 2, and the output satellite wave digital by the distributor 323. Distributed to the broadcast signal SatO.
The distributed first satellite wave broadcast signal Sat1 is supplied to the first satellite wave tuner 34 as a first frequency converter via the first signal line SL31.
The distributed second satellite wave broadcast signal Sat2 is supplied to a second satellite wave tuner 35 as a second frequency converter via a second signal line SL32.
The distributed satellite digital broadcast signal SatO for output is supplied to the first output terminal TO31.
In the first satellite wave tuner 34, the frequency of the first satellite wave broadcast signal Sat1 is converted into a first baseband signal, and in the second satellite wave tuner 35, the second satellite wave broadcast signal Sat2 is converted into the second baseband signal. Frequency converted to signal.
Baseband video and audio signals are input to the digital analog demodulator 38 and the digital demodulator 39.
In the digital analog demodulator 38 and the digital demodulator 39, the input video signal and the audio signal are demodulated, for example, as a demodulated signal of the satellite wave digital TS of the MPEG-2 format, the third output terminal TO33 and the fourth output terminal TO34. Is output from.

On the other hand, the terrestrial broadcast signal Terr is input to the second input terminal TI32 for terrestrial signal input and supplied to the second distributor 33.
In the second distribution unit 33, unnecessary components are removed by the LPF 331, and the terrestrial broadcast signal Terr output from the LPF 331 is distributed by the distributor 334 into two.
One distributed terrestrial broadcast signal is output to the LNA 332, and the other distributed terrestrial broadcast signal is supplied to the second output terminal TO32 as an output terrestrial broadcast signal TerrO.
In the LNA 332, one terrestrial broadcast signal from the distributor 334 is amplified and output to the distributor 333.
The distributor 333 distributes the terrestrial broadcast signal Terr output from the LNA 332 to the first terrestrial broadcast signal Terr1 and the second terrestrial broadcast signal Terr2.
The distributed first terrestrial broadcast signal Terr1 is supplied to the first terrestrial tuner 36 as a third frequency converter via the third signal line SL33.
The distributed second terrestrial broadcast signal Terr2 is supplied to a second terrestrial tuner 37 serving as a fourth frequency converter via a fourth signal line SL34.
In the first terrestrial tuner 36, the first terrestrial broadcast signal Terr1 is frequency-converted to a first intermediate frequency signal, and in the second terrestrial tuner 37, the second terrestrial broadcast signal Terr2 is converted to a second intermediate frequency. Frequency converted to signal.
The first intermediate frequency signal is input to the digital analog demodulator 38, and the second intermediate frequency signal is input to the digital demodulator 39.
The terrestrial analog signal is demodulated into an analog video signal and an audio signal by the digital analog demodulator 38, and is output to the fifth output terminal TO35 for video and the sixth output terminal TO36 for audio, respectively.
Also, the terrestrial digital signal is demodulated by the digital analog demodulator 38 and the digital demodulator 39, and is converted into the terrestrial digital TS in the MPEG-2 format in the same manner as the BSCS digital signal, and the third output terminal TI33, the fourth Output from the output terminal TO34.

According to this embodiment, it has the structure which receives terrestrial analog television broadcasting, terrestrial digital television broadcasting, and satellite digital television broadcasting with one front end module.
In the present embodiment, as a configuration capable of receiving a plurality of broadcasts simultaneously on two channels, the signal distribution unit, the frequency conversion unit and the demodulating unit are separated, the terrestrial frequency conversion unit is separated, and the like Is adopted.
In the present embodiment, TS clock output, which is a demodulated signal of terrestrial digital television broadcasting and satellite digital television broadcasting, is filtered, and GND of the digital circuit unit and analog circuit unit is made common.
Further, in the receiving system 30, a GND pattern design measure is taken in consideration of the return current flowing through the GND section.
As a result, it is possible to receive all broadcasts without radiation interference.

Using this front-end module, terrestrial analog television broadcast and terrestrial digital television broadcast, terrestrial analog television broadcast and satellite wave digital television broadcast can be viewed and recorded simultaneously. it can.
Digital terrestrial television broadcasting and terrestrial television broadcasting, terrestrial digital television broadcasting and satellite digital television broadcasting, and combination of satellite digital television broadcasting and satellite digital television broadcasting enable simultaneous viewing and recording can do.
Furthermore, it is possible to output the terrestrial broadcast signal Terr and the satellite wave digital broadcast signal Sat to different modules.
In addition, when this reception system (front end module) is used, space saving can be realized in the television receiver, and system design can be facilitated.
Therefore, the mounting area can be reduced compared with the normal method, and since the shield can be used in a state where the interference problem due to the layout at the time of use has already been solved, the interference on the mounted board side can be reduced. It is possible to facilitate the design study including it.

<3. Second Configuration Example of Broadcasting Wave Reception System Mounted on Front End Module Board>
FIG. 13 is a diagram illustrating a second configuration example of the broadcast signal receiving system mounted on the front-end module substrate according to the present embodiment.

The reception system 30A of the second configuration example is different from the reception system 30 of the first configuration example described above in the configuration of the first distribution unit 32A and the second distribution unit 33A.
In the receiving system 30A, a distributor (first distributor) 324 is provided at the output stage of the HPF 321 in the first distributor 32A, and the distributor 334 is omitted in the second distributor 33A.

In the first distributor 32A, a distributor 324 as a first distributor distributes the output signal of the HPF 321 into two satellite wave digital broadcast signals, and the other satellite wave digital broadcast signal SatO is output as a first output. Supply to terminal TO31.
The distributor 323A as the second distributor distributes the output signal of the LNA 322 to the first satellite wave broadcast signal Sat1 and the second satellite wave broadcast signal Sat2.
The distributor 323A supplies the distributed first satellite wave broadcast signal Sat1 to the first satellite wave tuner 34 as the first frequency converter via the first signal line SL31.
The distributor 323A supplies the distributed second satellite wave broadcast signal Sat2 to the second satellite wave tuner 35 as the second frequency converter via the second signal line SL32.

In the second distributor 33A, the distributor 333A distributes the output signal of the LNA 332 to the first terrestrial broadcast signal Terr1, the second terrestrial broadcast signal Terr2, and the output terrestrial broadcast signal TerrO.
The distributor 333A supplies the distributed first terrestrial broadcast signal Terr1 to the first terrestrial tuner 36 as a third frequency converter via the third signal line SL33.
The distributor 333A supplies the distributed second terrestrial broadcast signal Terr2 to the second terrestrial tuner 37 as the fourth frequency conversion unit via the fourth signal line SL34.
The distributor 333A supplies the distributed output terrestrial broadcast signal TerrO to the second output terminal TO32.

Other configurations are the same as those of the first configuration example.
According to the second configuration example, the same effect as that of the first configuration example described above can be obtained.
The first distribution unit 32, 32A and the second distribution unit 33, 33A can be used in appropriate combination without being limited to the configurations of the first and second configuration examples.

  The front end module (tuner module) having such a configuration can be applied to a receiving apparatus such as a TV receiver.

<4. First Configuration Example of Receiver>
FIG. 14 is a diagram illustrating a configuration example of a receiving apparatus employing the front end module according to the present embodiment.
The receiving device 40 is configured to be able to receive, for example, a terrestrial broadcast wave signal or a satellite broadcast wave signal.
As illustrated in FIG. 14, the reception device 40 includes a reception antenna 41 that receives a broadcast wave signal, a front-end module 42 that includes a frequency conversion function, and a demodulation unit 43.
As the front end module 42, the front end module 10 according to the above-described embodiment can be employed.

  The front end module 42 includes an antenna connector 421 corresponding to the antenna connectors 15-1 to 15-4 of the front end module 10, a filter (FLT) 422, a low noise amplifier (LNA) 423, and a tuner unit 424. .

As the filter 422, a high-pass filter (HPF), a band-pass filter (BPF), or a low-pass filter (LPF) is appropriately applied depending on the broadcast wave to be received.
The LNA 423 amplifies the broadcast wave signal that has passed through the filter 422 and supplies the amplified signal to the tuner unit 424.
When the received signal is a satellite broadcast wave signal, the tuner 424 converts the frequency into a baseband signal, and when the received signal is a terrestrial broadcast wave signal, converts the frequency into an intermediate frequency signal and outputs it to the demodulator 43.

When the received signal is a satellite broadcast wave signal, the demodulator 43 demodulates the video signal and audio signal of the baseband signal to generate a transport stream.
When the received signal is a digital terrestrial broadcast wave signal, the demodulator demodulates the video signal and audio signal of the intermediate frequency signal to generate a transport stream.
When the received signal is an analog terrestrial broadcast wave signal, the demodulator demodulates the video signal and audio signal of the intermediate frequency signal to generate an analog video signal and analog audio signal.

According to the present receiving apparatus, since the front end module 10 according to the present embodiment is employed, the same effects as those described above can be obtained.
That is, according to this receiving apparatus, the set case 12 that is an ideal ground GND and the front end module 10 can be joined with an extremely low impedance. For this reason, the ground GND of the front end module 10 can be kept stable, and the basic performance can be easily improved and the radiation can be easily reduced.
Further, since the set case 12 can be connected to a metal having an extremely large area, the set case 12 can be used as a heat sink of the front end module 10. As a result, the effect of suppressing the temperature rise of the front end module 10 can be provided.
Furthermore, since the front end module 10 and the set case 12 are in close contact with each other, the set case 12 can be used in place of the shield cover 13 of the front end module 10 that has been conventionally required.
The front-end module 10C of the comparative example can reduce the size of the set by realizing the two-dimensional arrangement of the four input / output terminals that could not be realized if there were not two or more in one front-end module. In addition, the depth can be shortened.
Many variations and degrees of freedom can be given to the layout on the main board, the degree of freedom in design can be improved, and the cost can be reduced.

<5. Second Configuration Example of Receiver>
FIG. 15 is a diagram illustrating another configuration example of the reception apparatus employing the front end module according to the present embodiment.
This receiving device 40A is different from the receiving device 40 of FIG. 14 in that the demodulating unit 43 is mounted on the front end module 42A.

  According to the receiving device 40A, the same effect as that of the receiving device 40 can be obtained.

DESCRIPTION OF SYMBOLS 10 ... Front end module, 11 ... Front end module board | substrate, 12 ... Set case, 13 ... 1st shield cover, 14 ... 2nd shield cover, 15-1-15- 4 ... Multiple antenna connectors, 16 ... Connection terminals, 17 ... Main board, 18 ... Support, 19 ... IC, 20 ... Case body, 30, 30A
... Broadcast wave reception system 31, 31A ... Front end module substrate, 32 ... First distribution unit, 33 ... Second distribution unit, 34 ... First satellite wave tuner, 35 ... second satellite wave tuner, 36 ... first terrestrial tuner, 37 ... second terrestrial tuner, 38 ... digital analog demodulator, 39 ... digital demodulator, 40, 40A... Receiving device.

Claims (18)

A front-end module substrate having a tuner function portion and a mounting surface having a size capable of two-dimensionally arranging antenna connectors;
A case body arranged such that an inner surface faces one mounting surface of the front end module substrate;
A plurality of antenna connectors arranged two-dimensionally on the outer surface of the case body,
The core wires of the plurality of antenna connectors are linearly extended inside the case body and electrically connected to the mounting surface terminals of the front end module substrate,
The case body
A front end module in which a mounting surface of the antenna connector of the case body is connected to a ground. The case body
A set case of the set to be mounted;
The front end module according to claim 1, wherein the shield cover is bonded by bringing the surfaces facing each other into contact with each other. A first shield case disposed so that an inner surface faces one mounting surface of the front end module substrate;
A second shield cover disposed so that an inner surface faces the other mounting surface of the front end module substrate,
The front end module board is
Disposed in the accommodating space between the inner surface of the first shield case and the inner surface of the second shield case;
The case body
A set case of the set to be mounted;
The front end module according to claim 1, wherein the first shield cover is joined by bringing the surfaces facing each other into contact with each other. The front end module substrate has a connection terminal for connecting to the front end module substrate, a main substrate extending in a direction orthogonal to the arrangement direction of the case body,
The mounting surface of the main substrate and the mounting surface of the antenna connector of the case body are mounted on the main substrate so that the mounting surface of the case body is orthogonal to the connection terminal and the main substrate. The front end module as described in any one. The case body
A support body that is supported by the main board and holds the mounting state of the module in a state of being mounted on the main board so that the mounting surface of the main board and the mounting surface of the antenna connector of the case body are orthogonal to each other. The front end module according to any one of claims 1 to 4. The plurality of antenna connectors are
A first antenna connector as a satellite wave input terminal;
A second antenna connector as a satellite wave through terminal for passing the satellite wave signal input from the satellite wave input terminal and outputting it to another module;
A third antenna connector as a terrestrial input terminal;
6. A fourth antenna connector as a terrestrial through terminal for passing through a satellite wave signal input from the terrestrial input terminal and outputting the signal to another module. 6. Front end module. The first antenna connector and the second antenna connector are arranged two-dimensionally,
The front end module according to claim 6, wherein the third antenna connector and the fourth antenna connector are two-dimensionally arranged. In the front end module board,
A first input terminal to which a satellite broadcast signal is input through the first antenna connector;
A second input terminal to which a terrestrial broadcast signal is input through the third antenna connector;
A first output terminal for outputting a satellite wave broadcast signal input from the first input terminal through the second antenna connector;
A second output terminal for outputting a terrestrial broadcast signal input from the second input terminal through the fourth antenna connector;
The satellite wave digital broadcast signal input from the first input terminal is distributed to the first satellite wave broadcast signal and the second satellite wave broadcast signal, and the input satellite wave digital broadcast signal is distributed to the first satellite wave broadcast signal. A first distribution unit for supplying to the output terminal;
The terrestrial broadcast signal input from the second input terminal is distributed to the first terrestrial broadcast signal and the second terrestrial broadcast signal, and the input terrestrial broadcast signal is output to the second output. A second distributor for supplying to the terminal;
A first frequency converter that is supplied with the first satellite wave broadcast signal distributed by the first distributor and converts the frequency of the first satellite wave broadcast signal into a first baseband signal;
A second frequency conversion unit that is supplied with the second satellite wave broadcast signal distributed by the first distribution unit and converts the frequency of the second satellite wave broadcast signal into a second baseband signal;
A third frequency conversion unit that is supplied with the first terrestrial broadcast signal distributed by the second distribution unit and converts the frequency of the first terrestrial broadcast signal into a first intermediate frequency signal;
A fourth frequency converter that is supplied with the second terrestrial broadcast signal distributed by the second distributor and converts the frequency of the second terrestrial broadcast signal into a second intermediate frequency signal; A front end module according to claim 6 or 7. In the front end module board,
A first input terminal to which a satellite broadcast signal is input through the first antenna connector;
A second input terminal to which a terrestrial broadcast signal is input through the third antenna connector;
A first output terminal for outputting a satellite wave broadcast signal input from the first input terminal through the second antenna connector;
A second output terminal for outputting a terrestrial broadcast signal input from the second input terminal through the fourth antenna connector;
The satellite wave digital broadcast signal input from the first input terminal is distributed to the first satellite wave broadcast signal and the second satellite wave broadcast signal, and the input satellite wave digital broadcast signal is distributed to the first satellite wave broadcast signal. A first distribution unit for supplying to the output terminal;
The terrestrial broadcast signal input from the second input terminal is distributed to the first terrestrial broadcast signal and the second terrestrial broadcast signal, and the input terrestrial broadcast signal is output to the second output. A second distributor for supplying to the terminal;
A first frequency converter that is supplied with the first satellite wave broadcast signal distributed by the first distributor and converts the frequency of the first satellite wave broadcast signal into a first baseband signal;
A second frequency conversion unit that is supplied with the second satellite wave broadcast signal distributed by the first distribution unit and converts the frequency of the second satellite wave broadcast signal into a second baseband signal;
A third frequency conversion unit that is supplied with the first terrestrial broadcast signal distributed by the second distribution unit and converts the frequency of the first terrestrial broadcast signal into a first intermediate frequency signal;
A fourth frequency converter that is supplied with the second terrestrial broadcast signal distributed by the second distributor and converts the second terrestrial broadcast signal into a second intermediate frequency signal;
A first demodulator having a function of demodulating the first baseband signal by the first frequency converter and the first intermediate frequency signal by the third frequency converter;
And a second demodulator having a function of demodulating the second baseband signal by the second frequency converter and the second intermediate frequency signal by the fourth frequency converter. The listed front-end module. An antenna connector connected to an antenna for receiving broadcast wave signals;
A front-end module including at least a frequency conversion unit among a frequency conversion unit of a broadcast wave signal input through the antenna connector and a demodulation unit that demodulates a frequency-converted reception signal;
The front end module
A front-end module substrate having a tuner function portion and a mounting surface having a size capable of two-dimensionally arranging antenna connectors;
A case body arranged such that an inner surface faces one mounting surface of the front end module substrate;
A plurality of antenna connectors arranged two-dimensionally on the outer surface of the case body,
The core wires of the plurality of antenna connectors are linearly extended inside the case body and electrically connected to the mounting surface terminals of the front end module substrate,
The case body
A receiving device in which a mounting surface of the antenna connector of the case body is connected to a ground. The case body
A set case of the set to be mounted;
The receiving device according to claim 10, wherein the shield cover is joined by bringing the surfaces facing each other into contact with each other. A first shield case disposed so that an inner surface faces one mounting surface of the front end module substrate;
A second shield cover disposed so that an inner surface faces the other mounting surface of the front end module substrate,
The front end module board is
Disposed in the accommodating space between the inner surface of the first shield case and the inner surface of the second shield case;
The case body
A set case of the set to be mounted;
The receiving device according to claim 10, wherein the first shield cover and the surfaces facing each other are brought into contact with each other. The front end module substrate, having a connection terminal for connecting to a main substrate extending laterally perpendicular to the arrangement direction of the case body;
The state of mounting the main board and the main board so that the mounting surface of the main board and the mounting surface of the antenna connector of the case body are orthogonal to each other in a state where the connection terminal and the main board are connected. The receiving apparatus as described in any one. The case body
A support body that is supported by the main board and holds the mounting state of the module in a state of being mounted on the main board so that the mounting surface of the main board and the mounting surface of the antenna connector of the case body are orthogonal to each other. The receiving device according to any one of claims 10 to 13. The plurality of antenna connectors are
A first antenna connector as a satellite wave input terminal;
A second antenna connector as a satellite wave through terminal for passing the satellite wave signal input from the satellite wave input terminal and outputting it to another module;
A third antenna connector as a terrestrial input terminal;
15. A fourth antenna connector as a terrestrial through terminal for passing through a satellite wave signal input from the terrestrial input terminal and outputting it to another module. 15. Receiver device. The first antenna connector and the second antenna connector are arranged two-dimensionally,
The receiving device according to claim 15, wherein the third antenna connector and the fourth antenna connector are two-dimensionally arranged. In the front end module board,
A first input terminal to which a satellite broadcast signal is input through the first antenna connector;
A second input terminal to which a terrestrial broadcast signal is input through the third antenna connector;
A first output terminal for outputting a satellite wave broadcast signal input from the first input terminal through the second antenna connector;
A second output terminal for outputting a terrestrial broadcast signal input from the second input terminal through the fourth antenna connector;
The satellite wave digital broadcast signal input from the first input terminal is distributed to the first satellite wave broadcast signal and the second satellite wave broadcast signal, and the input satellite wave digital broadcast signal is distributed to the first satellite wave broadcast signal. A first distribution unit for supplying to the output terminal;
The terrestrial broadcast signal input from the second input terminal is distributed to the first terrestrial broadcast signal and the second terrestrial broadcast signal, and the input terrestrial broadcast signal is output to the second output. A second distributor for supplying to the terminal;
A first frequency converter that is supplied with the first satellite wave broadcast signal distributed by the first distributor and converts the frequency of the first satellite wave broadcast signal into a first baseband signal;
A second frequency conversion unit that is supplied with the second satellite wave broadcast signal distributed by the first distribution unit and converts the frequency of the second satellite wave broadcast signal into a second baseband signal;
A third frequency conversion unit that is supplied with the first terrestrial broadcast signal distributed by the second distribution unit and converts the frequency of the first terrestrial broadcast signal into a first intermediate frequency signal;
A fourth frequency converter that is supplied with the second terrestrial broadcast signal distributed by the second distributor and converts the frequency of the second terrestrial broadcast signal into a second intermediate frequency signal; The receiving device according to claim 15 or 16. In the front end module board,
A first input terminal to which a satellite broadcast signal is input through the first antenna connector;
A second input terminal to which a terrestrial broadcast signal is input through the third antenna connector;
A first output terminal for outputting a satellite wave broadcast signal input from the first input terminal through the second antenna connector;
A second output terminal for outputting a terrestrial broadcast signal input from the second input terminal through the fourth antenna connector;
The satellite wave digital broadcast signal input from the first input terminal is distributed to the first satellite wave broadcast signal and the second satellite wave broadcast signal, and the input satellite wave digital broadcast signal is distributed to the first satellite wave broadcast signal. A first distribution unit for supplying to the output terminal;
The terrestrial broadcast signal input from the second input terminal is distributed to the first terrestrial broadcast signal and the second terrestrial broadcast signal, and the input terrestrial broadcast signal is output to the second output. A second distributor for supplying to the terminal;
A first frequency converter that is supplied with the first satellite wave broadcast signal distributed by the first distributor and converts the frequency of the first satellite wave broadcast signal into a first baseband signal;
A second frequency conversion unit that is supplied with the second satellite wave broadcast signal distributed by the first distribution unit and converts the frequency of the second satellite wave broadcast signal into a second baseband signal;
A third frequency conversion unit that is supplied with the first terrestrial broadcast signal distributed by the second distribution unit and converts the frequency of the first terrestrial broadcast signal into a first intermediate frequency signal;
A fourth frequency converter that is supplied with the second terrestrial broadcast signal distributed by the second distributor and converts the second terrestrial broadcast signal into a second intermediate frequency signal;
A first demodulator having a function of demodulating the first baseband signal by the first frequency converter and the first intermediate frequency signal by the third frequency converter;
The second demodulator having a demodulation function of the second baseband signal by the second frequency converter and the second intermediate frequency signal by the fourth frequency converter. The receiving device described.