WO2019240095A1 - 高周波モジュールおよび通信装置 - Google Patents
高周波モジュールおよび通信装置 Download PDFInfo
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- WO2019240095A1 WO2019240095A1 PCT/JP2019/022985 JP2019022985W WO2019240095A1 WO 2019240095 A1 WO2019240095 A1 WO 2019240095A1 JP 2019022985 W JP2019022985 W JP 2019022985W WO 2019240095 A1 WO2019240095 A1 WO 2019240095A1
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- reception
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- band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
Definitions
- the present invention relates to a high frequency module and a communication device.
- a plurality of transmitters (transmission paths) and a plurality of receivers (reception paths), a plurality of transmitters, and a plurality of transmitters are provided to perform carrier aggregation (CA) using a plurality of communication bands (frequency bands).
- a circuit configuration of a transceiver (transmission / reception circuit) including a switchplexer disposed between a plurality of receivers and an antenna is disclosed.
- Each of the plurality of transmitters includes a transmission circuit, a PA (transmission power amplifier), and an output circuit.
- Each of the plurality of receivers includes a reception circuit, an LNA (reception low noise amplifier), and an input circuit. Have.
- the output circuit includes a transmission filter, an impedance matching circuit, a duplexer, and the like
- the input circuit includes a reception filter, an impedance matching circuit, a duplexer, and the like. According to the above configuration, CA can be executed by the switching operation of the switchplexer.
- the transceiver (transmission / reception circuit) disclosed in Patent Document 1 is configured as one module as a compact front-end circuit of a mobile communication device, there is one transmitter and one receiver (reception path). It is assumed that the inductance component of the output circuit of the one transmitter (transmission path) and the inductance component of the input circuit of the one receiver (reception path) are electromagnetically coupled. In this case, a harmonic component of a high-output high-frequency transmission signal amplified by a PA (transmission power amplifier) or an intermodulation distortion component between the high-frequency transmission signal and another high-frequency signal is transmitted through the electromagnetic field coupling. A problem arises in that the reception sensitivity of the one receiver (reception path) deteriorates by flowing into the one receiver (reception path).
- PA transmission power amplifier
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a high-frequency module and a communication device in which deterioration of reception sensitivity is suppressed.
- a high-frequency module includes a module substrate having a first main surface and a second main surface facing each other, a first transmission power amplifier that amplifies a high-frequency transmission signal, A transmission output matching circuit connected to an output terminal of the first transmission power amplifier, a first reception low noise amplifier for amplifying a high frequency reception signal, and a reception input matching connected to an input terminal of the first reception low noise amplifier
- the transmission output matching circuit includes a first inductance element
- the reception input matching circuit includes a second inductance element
- the first inductance element includes the first main surface of the module substrate.
- the second inductance element is mounted on the second main surface of the module substrate.
- the present invention it is possible to provide a high-frequency module and a communication device in which deterioration of reception sensitivity is suppressed.
- FIG. 1 is a circuit configuration diagram of the high-frequency module according to the first embodiment.
- FIG. 2A is a schematic plan configuration diagram of the high-frequency module according to Embodiment 1.
- 2B is a schematic cross-sectional configuration diagram of the high-frequency module according to Embodiment 1.
- FIG. 3 is a schematic plan configuration diagram of the high-frequency module according to the first modification of the first embodiment.
- 4A is a schematic plan view of a high-frequency module according to Modification 2 of Embodiment 1.
- FIG. 4B is a schematic cross-sectional configuration diagram of a high-frequency module according to Modification 2 of Embodiment 1.
- FIG. 5 is a view for explaining a disposition arrangement of the first inductance element and the second inductance element according to the second modification of the first embodiment.
- 6A is a schematic plan configuration diagram of a high-frequency module according to Modification 3 of Embodiment 1.
- FIG. 6B is a schematic cross-sectional configuration diagram of a high-frequency module according to Modification 3 of Embodiment 1.
- FIG. 7A is a schematic plan configuration diagram of a high-frequency module according to Modification 4 of Embodiment 1.
- FIG. 7B is a schematic cross-sectional configuration diagram of a high-frequency module according to Modification 4 of Embodiment 1.
- FIG. 8A is a schematic plan configuration diagram of the high-frequency module according to Embodiment 2.
- FIG. 8B is a schematic cross-sectional configuration diagram of the high-frequency module according to Embodiment 2.
- FIG. 1 is a circuit configuration diagram of a high-frequency module 1 according to the first embodiment.
- the communication device 5 includes a high-frequency module 1, an antenna element 2, an RF signal processing circuit (RFIC) 3, and a baseband signal processing circuit (BBIC) 4.
- RFIC RF signal processing circuit
- BBIC baseband signal processing circuit
- RFIC 3 is an RF signal processing circuit that processes high-frequency signals transmitted and received by the antenna element 2. Specifically, the RFIC 3 performs signal processing on the high-frequency reception signal input via the reception signal path of the high-frequency module 1 by down-conversion or the like, and outputs the reception signal generated by the signal processing to the BBIC 4. The RFIC 3 performs signal processing on the transmission signal input from the BBIC 4 by up-conversion or the like, and outputs the high-frequency transmission signal generated by the signal processing to the transmission signal path of the high-frequency module 1.
- the BBIC 4 is a circuit that performs signal processing using an intermediate frequency band that is lower in frequency than the high-frequency signal that propagates through the high-frequency module 1.
- the signal processed by the BBIC 4 is used, for example, as an image signal for displaying an image, or used as an audio signal for a call through a speaker.
- the RFIC 3 also has a function as a control unit that controls connection of the switches 51, 52, 53, 54, 55, and 56 included in the high-frequency module 1 based on a communication band (frequency band) to be used. Specifically, the RFIC 3 switches the connection of the switches 51 to 56 included in the high frequency module 1 by a control signal (not shown).
- the control unit may be provided outside the RFIC 3, for example, may be provided in the high-frequency module 1 or the BBIC.
- the antenna element 2 is connected to the common terminal 100 of the high frequency module 1 and radiates a high frequency signal output from the high frequency module 1, and receives an external high frequency signal and outputs it to the high frequency module 1.
- the antenna element 2 and the BBIC 4 are not essential components.
- the high frequency module 1 includes a common terminal 100, transmission power amplifiers 11 and 12, reception low noise amplifiers 21 and 22, transmission filters 61T, 62T, 63T, and 64T, and reception filters 61R, 62R. 63R and 64R, transmission output matching circuit 30, reception input matching circuit 40, matching circuits 71, 72, 73 and 74, switches 51, 52, 53, 54, 55 and 56, coupler 80, and coupler Output terminal 180.
- the common terminal 100 is an antenna common terminal connected to the antenna element 2.
- the transmission power amplifier 11 is a first transmission power amplifier that amplifies high frequency signals of the communication band A (first communication band) and the communication band B belonging to the first frequency band group.
- the transmission power amplifier 12 is a second transmission power amplifier that amplifies high frequency signals in the communication band C (second communication band) and the communication band D belonging to the second frequency band group on the higher frequency side than the first frequency band group. is there.
- the reception low noise amplifier 21 is a first reception low noise amplifier that amplifies high frequency signals of the communication band A and the communication band B with low noise.
- the reception low noise amplifier 22 is a second reception low noise amplifier that amplifies the high frequency signals of the communication bands C and D with low noise.
- the transmission filter 61T is disposed in the transmission path AT that connects the transmission power amplifier 11 and the common terminal 100, and passes the high-frequency transmission signal in the transmission band of the communication band A among the high-frequency transmission signals amplified by the transmission power amplifier 11. .
- the transmission filter 62T is disposed in the transmission path BT connecting the transmission power amplifier 11 and the common terminal 100, and among the high-frequency transmission signals amplified by the transmission power amplifier 11, the transmission filter 62T transmits a high-frequency transmission signal in the transmission band of the communication band B. Let it pass.
- the transmission filter 63T is arranged in the transmission path CT connecting the transmission power amplifier 12 and the common terminal 100, and among the high-frequency transmission signals amplified by the transmission power amplifier 12, the transmission filter 63T transmits a high-frequency transmission signal in the transmission band of the communication band C. Let it pass.
- the transmission filter 64T is disposed in the transmission path DT connecting the transmission power amplifier 12 and the common terminal 100, and among the high-frequency transmission signals amplified by the transmission power amplifier 12, the transmission filter 64T transmits a high-frequency transmission signal in the transmission band of the communication band D. Let it pass.
- the reception filter 61R is disposed in a reception path AR that connects the reception low noise amplifier 21 and the common terminal 100, and passes a high frequency reception signal in the reception band of the communication band A among high frequency reception signals input from the common terminal 100. .
- the reception filter 62R is disposed in the reception path BR connecting the reception low noise amplifier 21 and the common terminal 100, and among the high frequency reception signals input from the common terminal 100, the reception filter 62R receives a high frequency reception signal in the reception band of the communication band B. Let it pass.
- the reception filter 63R is disposed in a reception path CR connecting the reception low noise amplifier 22 and the common terminal 100, and among the high frequency reception signals input from the common terminal 100, the high frequency reception signal in the reception band of the communication band C is received.
- the reception filter 64R is disposed in the reception path DR connecting the reception low noise amplifier 22 and the common terminal 100, and among the high frequency reception signals input from the common terminal 100, the high frequency reception signal in the reception band of the communication band D is received. Let it pass.
- the transmission filters 61T to 64T and the reception filters 61R to 64R are, for example, any one of a surface acoustic wave filter, an acoustic wave filter using a BAW (Bulk Acoustic Wave), an LC resonance filter, and a dielectric filter. Further, it is not limited to these.
- the transmission filter 61T and the reception filter 61R constitute a duplexer 61 having the communication band A as a pass band. Further, the transmission filter 62T and the reception filter 62R constitute a duplexer 62 having the communication band B as a pass band. Further, the transmission filter 63T and the reception filter 63R constitute a duplexer 63 having the communication band C as a pass band. Further, the transmission filter 64T and the reception filter 64R constitute a duplexer 64 having the communication band D as a pass band.
- the transmission output matching circuit 30 has matching circuits 31 and 32.
- Matching circuit 31 is arranged in a transmission path connecting transmission power amplifier 11 and transmission filters 61T and 62T, and performs impedance matching between transmission power amplifier 11 and transmission filters 61T and 62T.
- Matching circuit 32 is arranged on a transmission path connecting transmission power amplifier 12 and transmission filters 63T and 64T, and performs impedance matching between transmission power amplifier 12 and transmission filters 63T and 64T.
- the reception input matching circuit 40 has matching circuits 41 and 42.
- the matching circuit 41 is disposed in a reception path connecting the reception low noise amplifier 21 and the reception filters 61R and 62R, and performs impedance matching between the reception low noise amplifier 21 and the reception filters 61R and 62R.
- the matching circuit 42 is disposed in a reception path connecting the reception low noise amplifier 22 and the reception filters 63R and 64R, and performs impedance matching between the reception low noise amplifier 22 and the reception filters 63R and 64R.
- the switch 51 is a second switch arranged on a transmission path connecting the matching circuit 31 and the transmission filters 61T and 62T.
- the switch 51 is connected to the transmission power amplifier 11 and the transmission filter 61T, and the transmission power amplifier 11 and the transmission filter 62T. And connection.
- the switch 51 is, for example, a SPDT (Single Pole Double Throw) type in which a common terminal is connected to the matching circuit 31, one selection terminal is connected to the transmission filter 61T, and the other selection terminal is connected to the transmission filter 62T. Consists of a switch circuit.
- the switch 52 is a second switch arranged on a transmission path connecting the matching circuit 32 and the transmission filters 63T and 64T, and connects the transmission power amplifier 12 and the transmission filter 63T, and transmits the transmission power amplifier 12 and the transmission filter 64T. And connection.
- the switch 52 includes an SPDT type switch circuit in which a common terminal is connected to the matching circuit 32, one selection terminal is connected to the transmission filter 63T, and the other selection terminal is connected to the transmission filter 64T.
- the switch 53 is a third switch arranged on the reception path connecting the matching circuit 41 and the reception filters 61R and 62R. The switch 53 is connected to the reception low noise amplifier 21 and the reception filter 61R and is connected to the reception low noise amplifier 21 and reception.
- the connection with the filter 62R is switched.
- the switch 53 is constituted by, for example, an SPDT type switch circuit in which a common terminal is connected to the matching circuit 41, one selection terminal is connected to the reception filter 61R, and the other selection terminal is connected to the reception filter 62R.
- the switch 54 is a third switch arranged in the reception path connecting the matching circuit 42 and the reception filters 63R and 64R.
- the switch 54 is connected to the reception low noise amplifier 22 and the reception filter 63R, and the reception low noise amplifier 22 and reception.
- the connection with the filter 64R is switched.
- the switch 54 is configured by an SPDT type switch circuit in which a common terminal is connected to the matching circuit 42, one selection terminal is connected to the reception filter 63R, and the other selection terminal is connected to the reception filter 64R.
- the switch 55 is a first switch arranged in a signal path connecting the common terminal 100 to the transmission filters 61T to 64T and the reception filters 61R to 64R.
- the common terminal 100 is connected to the transmission filter 61T and the reception filter 61R. Connection, (2) connection between the common terminal 100 and the transmission filter 62T and the reception filter 62R, (3) connection between the common terminal 100 and the transmission filter 63T and the reception filter 63R, and (4) common terminal 100 and the transmission filter 64T. And the connection with the reception filter 64R.
- the switch 55 is formed of a multi-connection type switch circuit that can simultaneously connect two or more of the above (1) to (4).
- the matching circuit 71 is disposed in a path connecting the switch 55 to the transmission filter 61T and the reception filter 61R, and performs impedance matching between the antenna element 2 and the switch 55, and the transmission filter 61T and the reception filter 61R.
- the matching circuit 72 is disposed in a path connecting the switch 55 to the transmission filter 62T and the reception filter 62R, and performs impedance matching between the antenna element 2 and the switch 55, and the transmission filter 62T and the reception filter 62R.
- the matching circuit 73 is disposed in a path connecting the switch 55 with the transmission filter 63T and the reception filter 63R, and performs impedance matching between the antenna element 2 and the switch 55, and the transmission filter 63T and the reception filter 63R.
- Matching circuit 74 is disposed in a path connecting switch 55 to transmission filter 64T and reception filter 64R, and performs impedance matching between antenna element 2 and switch 55, transmission filter 64T, and reception filter 64R.
- the coupler 80 and the switch 56 are circuits for monitoring the power intensity of the high-frequency signal transmitted between the common terminal 100 and the switch 55, and output the monitored power intensity to the RFIC 3 or the like via the coupler output terminal 180.
- the matching circuits 71 to 74, the coupler 80, the switch 56, and the coupler output terminal 180 are not essential components for the high-frequency module according to the present invention.
- the transmission power amplifier 11, the matching circuit 31, the switch 51, and the transmission filters 61 T and 62 T output the high frequency transmission signals of the communication band A and the communication band B toward the common terminal 100.
- One transmission circuit is configured.
- the transmission power amplifier 12, the matching circuit 32, the switch 52, and the transmission filters 63T and 64T constitute a second transmission circuit that outputs high-frequency transmission signals of the communication band C and the communication band D toward the common terminal 100.
- the first transmission circuit and the second transmission circuit constitute a transmission circuit that outputs high-frequency transmission signals of communication bands A to D toward the common terminal 100.
- the reception low noise amplifier 21, the matching circuit 41, the switch 53, and the reception filters 61 R and 62 R receive the first reception signal of the communication band A and the communication band B from the antenna element 2 through the common terminal 100.
- a receiving circuit is configured.
- the reception low noise amplifier 22, the matching circuit 42, the switch 54, and the reception filters 63 ⁇ / b> R and 64 ⁇ / b> R receive the second high-frequency reception signals of the communication band C and the communication band D from the antenna element 2 through the common terminal 100.
- a receiving circuit is configured.
- the first receiving circuit and the second receiving circuit constitute a receiving circuit that inputs high frequency received signals of communication bands A to D from the common terminal 100.
- the high-frequency module 1 includes a high-frequency signal in one of the communication bands A and B and a communication band in either the communication band C or the communication band D. It is possible to execute at least one of simultaneous transmission, simultaneous reception, and simultaneous transmission / reception of the high-frequency signal.
- the transmission circuit and the reception circuit may not be connected to the common terminal 100 via the switch 55, and the transmission circuit and the reception circuit may be connected to the antenna element 2 via different terminals. It may be connected to.
- the switches 51 to 56, the transmission filters 62T to 64T, and the reception filters 62R to 64R may be omitted.
- a high-frequency signal in a single communication band is transmitted and received without simultaneously transmitting, simultaneously receiving, and simultaneously transmitting and receiving high-frequency signals in two or more communication bands.
- each circuit element constituting the high-frequency module 1 is configured as a single module as a compact front-end circuit, for example, the inductance component of the transmission output matching circuit 30 and the inductance component of the reception input matching circuit 40 are Electromagnetic field coupling is assumed.
- the harmonic component of the high-power high-frequency transmission signal amplified by the transmission power amplifier 11 or 12 or the intermodulation distortion component between the high-frequency transmission signal and another high-frequency signal is transmitted via the electromagnetic field coupling.
- the receiving sensitivity of the receiving circuit deteriorates.
- the harmonic frequency of the high frequency transmission signal amplified by the transmission power amplifier 11 overlaps at least a part of the reception band of the communication band C.
- the frequency of intermodulation distortion between the high-frequency transmission signal amplified by the transmission power amplifier 11 and other high-frequency signals overlaps at least a part of the reception bands of the communication bands A to D.
- the high frequency module 1 has a configuration that suppresses electromagnetic coupling between the inductance component of the transmission output matching circuit 30 and the inductance component of the reception input matching circuit 40.
- the structure which suppresses the said electromagnetic coupling of the high frequency module 1 which concerns on this Embodiment is demonstrated.
- FIG. 2A is a schematic plan configuration diagram of the high-frequency module 1 according to the first embodiment.
- 2B is a schematic cross-sectional configuration diagram of the high-frequency module 1 according to Embodiment 1, and more specifically, a cross-sectional view taken along the line IIB-IIB in FIG. 2A.
- 2A shows a layout of circuit elements when the main surface 91a is viewed from the positive side of the y-axis among the main surfaces 91a and 91b of the module substrate 91 facing each other.
- (b) of FIG. 2A shows a perspective view of the arrangement of circuit elements when the main surface 91b is viewed from the positive y-axis direction.
- the high-frequency module 1 further includes a module substrate 91 and resin members 92 and 93 in addition to the circuit configuration shown in FIG. ing.
- the module substrate 91 has a main surface 91a (first main surface) and a main surface 91b (second main surface) facing each other, and is a substrate on which the transmission circuit and the reception circuit are mounted.
- a low temperature co-fired ceramics (LTCC) substrate having a laminated structure of a plurality of dielectric layers, a printed circuit board, or the like is used.
- the resin member 92 is disposed on the main surface 91a of the module substrate 91 and covers a part of the transmission circuit, a part of the reception circuit, and the main surface 91a of the module substrate 91.
- the transmission circuit and the reception circuit It has a function to ensure reliability such as mechanical strength and moisture resistance of the circuit elements constituting the.
- the resin member 93 is disposed on the main surface 91b of the module substrate 91 and covers a part of the transmission circuit, a part of the reception circuit, and the main surface 91b of the module substrate 91, and the transmission circuit and the reception circuit. It has a function to ensure reliability such as mechanical strength and moisture resistance of the circuit elements constituting the.
- the resin members 92 and 93 are not essential components for the high-frequency module according to the present invention.
- the transmission power amplifiers 11 and 12, the duplexers 61 to 64, and the matching circuits 31 and 32 are provided on the main surface 91a of the module substrate 91. It is surface mounted.
- the reception low noise amplifiers 21 and 22, the matching circuits 41 and 42, and the switches 51, 52, and 55 are surface-mounted on the main surface 91 b of the module substrate 91.
- the switches 53, 54 and 56, the matching circuits 71 to 74, and the coupler 80 are not shown in FIGS. 2A and 2B, but are mounted on either of the main surfaces 91a and 91b of the module substrate 91. Alternatively, it may be built in the module substrate 91.
- Matching circuits 31 and 32 are mounted on the main surface 91 a of the module substrate 91.
- Matching circuit 31 includes an inductor 31L and a capacitor 31C.
- Matching circuit 32 includes an inductor 32L and a capacitor 32C.
- Each of the inductors 31L and 32L is a first inductance element included in the transmission output matching circuit 30, and is configured by, for example, a chip-shaped inductor or a wiring pattern formed on the main surface 91a.
- the matching circuits 41 and 42 are mounted on the main surface 91b of the module substrate 91.
- Matching circuit 41 includes an inductor 41L and a capacitor 41C.
- Matching circuit 42 includes an inductor 42L and a capacitor 42C.
- Each of the inductors 41L and 42L is a second inductance element included in the reception input matching circuit 40, and is configured by, for example, a chip-shaped inductor or a wiring pattern formed on the main surface 91b.
- the inductors 31L and 32L are arranged on the main surface 91a of the module substrate 91, and the inductors 41L and 42L are arranged on the main surface 91b.
- the electromagnetic field generated from the inductors 31L and 32L and the inductors 41L and 42L can be shielded by the module substrate 91, the electromagnetic coupling between the inductors 31L and 32L and the inductors 41L and 42L can be suppressed. Therefore, it is possible to reduce the inflow amount of the harmonic component of the high-output high-frequency transmission signal amplified by the transmission power amplifiers 11 and 12 or the intermodulation distortion component between the high-frequency transmission signal and another high-frequency signal into the reception circuit. Therefore, it is possible to suppress the deterioration of the reception sensitivity of the high frequency module 1.
- the inductor 31L And the electromagnetic field by 41L can be shielded by the module substrate 91, so that the electromagnetic coupling between the inductor 31L and the inductor 41L can be suppressed. Therefore, the intermodulation distortion component can be prevented from flowing into the reception path of the communication band A by bypassing the transmission filter 61T, so that deterioration of the reception sensitivity of the high-frequency module 1 can be suppressed.
- the frequency of the harmonic component of the high-frequency transmission signal in the communication band A amplified by the transmission power amplifier 11 or the frequency of the intermodulation distortion component between the high-frequency transmission signal and another high-frequency signal is in the communication band C.
- the electromagnetic field generated by the inductors 31L and 42L can be shielded by the module substrate 91, so that the electromagnetic coupling between the inductor 31L and the inductor 42L can be suppressed.
- the intermodulation distortion component can be prevented from bypassing the transmission filter 61T and flowing into the reception path of the communication band C, so that the reception sensitivity of the high-frequency module 1 can be prevented from deteriorating.
- the module substrate 91 is arranged between the inductors 31L and 32L and the inductors 41L and 42L.
- the inductors 31L and 32L is mainly used. It is only necessary that the inductors 41L and 42L are arranged on the surface 91a and at least one of the inductors 41L and 42L is arranged on the main surface 91b. This reduces the inflow amount of high-frequency high-frequency transmission signals that are transmitted through one transmission path or intermodulation distortion components between the high-frequency transmission signal and other high-frequency signals into one reception path. Therefore, it is possible to suppress the deterioration of the reception sensitivity in the one reception path. Therefore, it is possible to suppress the deterioration of the reception sensitivity of the high frequency module 1.
- the module substrate 91 has a multilayer structure in which a plurality of dielectric layers are stacked, and it is preferable that a ground electrode pattern is formed on at least one of the plurality of dielectric layers. Thereby, the electromagnetic field shielding function of the module substrate 91 is improved.
- the transmission power amplifiers 11 and 12 are mounted on the main surface 91a, and the reception low noise amplifiers 21 and 22 are mounted on the main surface 91b. According to this, since the module substrate 91 is interposed between the transmission power amplifiers 11 and 12 and the reception low noise amplifiers 21 and 22, the high frequency transmission signal output from the transmission power amplifiers 11 and 12 is received low noise. Direct flow into the amplifiers 21 and 22 can be suppressed. Therefore, the isolation between the transmission circuit and the reception circuit is improved.
- the transmission power amplifiers 11 and 12 are arranged on the main surface 91a side where the transmission output matching circuit 30 is arranged, and the reception low noise amplifiers 21 and 22 are arranged on the main surface 91b side where the reception input matching circuit 40 is arranged. The According to this, the module substrate 91 can suppress the mutual interference between the high-frequency transmission signal propagating through the transmission circuit and the high-frequency reception signal propagating through the reception circuit. Therefore, the isolation between the transmission circuit and the reception circuit is improved.
- a plurality of columnar electrodes 150 are arranged on the main surface 91b side of the module substrate 91.
- the high-frequency module 1 exchanges electrical signals via the mounting substrate disposed on the negative z-axis direction side of the high-frequency module 1 and the plurality of columnar electrodes 150. Some of the plurality of columnar electrodes 150 are set to the ground potential of the mounting substrate.
- the main surface 91b facing the mounting substrate is not provided with the transmission power amplifiers 11 and 12, which are difficult to reduce in height, and the reception low noise amplifiers 21 and 22, which are easy to reduce in height,
- the switches 51, 52 and 55 are arranged, the entire high-frequency module 1 can be reduced in height.
- a plurality of columnar electrodes 150 that are applied as ground electrodes are arranged around the reception low noise amplifiers 21 and 22 that greatly affect the reception sensitivity of the reception circuit, it is possible to suppress deterioration in reception sensitivity of the reception circuit.
- FIG. 3 is a schematic plan view of a high-frequency module 1A according to the first modification of the first embodiment.
- the high frequency module 1A according to the present modification is different from the high frequency module 1 according to the first embodiment only in the arrangement configuration of the inductors 31L, 32L, 41L, and 42L.
- the high frequency module 1 ⁇ / b> A according to the present modification will not be described for the same points as the high frequency module 1 according to the first embodiment, and will be described focusing on the different points.
- the inductors 31L and 32L are first inductance elements included in the transmission output matching circuit 30 and are mounted on the main surface 91a of the module substrate 91.
- the inductors 41L and 42L are second inductance elements included in the reception input matching circuit 40, and are mounted on the main surface 91b of the module substrate 91.
- the magnetic flux generated by the inductors 31L and 32L and the magnetic flux generated by the inductors 41L and 42L are orthogonal to each other.
- the winding axis of the coils constituting the inductors 31L and 32L only needs to be orthogonal to the winding axis of the coils constituting the inductors 41L and 42L.
- the interaction between the magnetic field defined by inductors 31L and 32L and the magnetic field defined by inductors 41L and 42L can be suppressed. Therefore, since the electromagnetic coupling between the inductors 31L and 32L and the inductors 41L and 42L can be suppressed, the deterioration of the reception sensitivity of the high frequency module 1A can be further suppressed.
- the magnetic flux generated by the inductors 31L and 32L and the magnetic flux generated by the inductors 41L and 42L do not have to be orthogonal to each other as long as they intersect at least.
- the winding axis of the coils constituting the inductors 31L and 32L only needs to intersect the winding axis of the coils constituting the inductors 41L and 42L.
- FIG. 4A is a schematic plan configuration diagram of a high-frequency module 1B according to a second modification of the first embodiment.
- FIG. 4B is a schematic cross-sectional configuration diagram of a high-frequency module 1B according to Modification 2 of Embodiment 1, and specifically, a cross-sectional view taken along the line IVB-IVB in FIG. 4A.
- 4A shows a layout of circuit elements when the main surface 91a is viewed from the positive side in the y-axis direction among the main surfaces 91a and 91b of the module substrate 91 facing each other.
- (b) of FIG. 4A shows a perspective view of the arrangement of circuit elements when the main surface 91b is viewed from the positive y-axis direction.
- the high-frequency module 1B according to this modification differs from the high-frequency module 1 according to the first embodiment only in the arrangement configuration of the circuit elements that constitute the high-frequency module 1B.
- the high frequency module 1 ⁇ / b> B according to the present modification will be described with the same points as the high frequency module 1 according to the first embodiment omitted, and different points will be mainly described.
- the transmission power amplifiers 11 and 12, the duplexers 61 and 62, the matching circuits 31 and 32, and the switch 55 are arranged on the main surface of the module substrate 91. It is surface-mounted on 91a.
- the reception low noise amplifiers 21 and 22, the matching circuits 41 and 42, the duplexers 63 and 64, and the switches 51 and 52 are surface-mounted on the main surface 91 b of the module substrate 91.
- the matching circuit 31 includes an inductor 31L and a capacitor 31C.
- Matching circuit 32 includes an inductor 32L and a capacitor 32C.
- the inductors 31L and 32L are first inductance elements included in the transmission output matching circuit 30, respectively.
- the matching circuit 41 includes an inductor 41L and a capacitor 41C.
- Matching circuit 42 includes an inductor 42L and a capacitor 42C.
- the inductors 41L and 42L are second inductance elements included in the reception input matching circuit 40, respectively.
- the inductors 31L and 32L are arranged on the main surface 91a of the module substrate 91, and the inductors 41L and 42L are arranged on the main surface 91b.
- the electromagnetic field generated from the inductors 31L and 32L and the inductors 41L and 42L can be shielded by the module substrate 91, the electromagnetic coupling between the inductors 31L and 32L and the inductors 41L and 42L can be suppressed.
- the inductors 31L and 32L and the inductors 41L and 42L overlap.
- the inductors 31L and 32L and the inductors 41L and 42L do not overlap. For this reason, a large distance in the xy plane direction between the inductors 31L and 32L and the inductors 41L and 42L can be secured, so that the interference of the electromagnetic field generated from the inductors 31L and 32L with the inductors 41L and 42L can be further reduced.
- inductors 31L and 32L and inductors 41L and 42L can be further suppressed. Therefore, it is possible to reduce the inflow amount of the harmonic component of the high-output high-frequency transmission signal amplified by the transmission power amplifiers 11 and 12 or the intermodulation distortion component between the high-frequency transmission signal and another high-frequency signal into the reception circuit. Therefore, it is possible to suppress the deterioration of the reception sensitivity of the high frequency module 1B.
- the conductive member is an electronic member having a conductive member such as a signal extraction electrode.
- the conductive member is a passive element such as a resistive element, a capacitive element, an inductive element, a filter, a switch, a signal wiring, and a signal terminal. And / or active elements such as amplifiers and control circuits.
- the conductive member is at least one of the duplexers 61 to 64.
- the conductive member may be at least one of a transmission filter and a reception filter that constitute each of the duplexers 61 to 64.
- the transmission filter and the reception filter that constitute each of the duplexers 61 to 64 have a plurality of conductive members such as signal extraction electrodes.
- at least one of the plurality of signal extraction electrodes is arranged on the module substrate 91. Connected to the ground pattern.
- the electromagnetic fields generated from the inductors 31L and 32L and the inductors 41L and 42L can be shielded by at least one of the duplexers 61 to 64. Therefore, electromagnetic coupling between the inductors 31L and 32L and the inductors 41L and 42L can be suppressed.
- the conductive member mounted on the main surface 91a or 91b is disposed between the inductors 31L and 32L and the inductors 41L and 42L.
- Projected in a plan view to a line connecting an arbitrary point in the region of the inductor 31L projected in the plan view and an arbitrary point in the region of the inductor 41L projected in the plan view.
- any point in the region of the inductor 32L projected by the planar view and the region of the inductor 41L projected by the planar view At least a part of the region of the conductive member projected in the plan view overlaps with a line connecting an arbitrary point.
- the conductive member mounted on the main surface 91a is disposed between the inductors 31L and 32L and the inductors 41L and 42L.
- a conductive member mounted on the main surface 91a may be disposed between at least one of the inductors 41L and 42L.
- the high-frequency module 1B according to the second modification has the conductive member mounted on the module substrate 91 between the inductors 31L and 32L and the inductors 41L and 42L.
- the high frequency module 1 according to the embodiment may have the following configuration.
- FIG. 5 is a diagram for explaining the disposition of the inductors 31L and 41L according to the second modification of the first embodiment.
- transmission power amplifiers 11 and 12 mounted on main surfaces 91a and 91b of module substrate 91, reception low noise amplifiers 21 and 22, duplexers 61 to 64, matching circuits 31, 32, 41 and 42, and Of the switches 51, 52 and 55, only the inductor 31L of the matching circuit 31 and the inductor 41L of the matching circuit 41 are shown in perspective. That is, FIG. 5 is a perspective view of only the inductor 31L arranged on the main surface 91a and the inductor 41L arranged on the main surface 91b.
- the main surfaces 91a and 91b have a rectangular shape, and the main surfaces 91a and 91b include a central region C including at least one of the transmission filters 61T to 64T and the reception filters 61R to 64R. And an outer edge region P excluding the central region C. Further, the outer edge region P includes four outer side regions PU (not shown in FIG. 5) and PD (not shown in FIG. 5) each including four outer sides U, D, L, and R of the main surfaces 91a and 91b. Z), PL, and PR.
- the two outer side regions PL and PR facing each other across the central region C are respectively It is arranged in two outer side regions PU and PD which are arranged or opposed across the central region C.
- the inductors 31L and 32L and the inductors 41L and 42L are distributed in opposing outer regions with the central region C where at least one of the transmission filter and the reception filter is disposed therebetween. For this reason, the inductors 31L and 32L and the inductors 41L and 42L are spaced apart from each other when the module substrate 91 is viewed in plan, so that the electromagnetic field generated from the inductors 31L and 32L reaches the inductors 41L and 42L. The amount can be suppressed.
- FIG. 6A is a schematic plan configuration diagram of a high-frequency module 1C according to Modification 3 of Embodiment 1.
- FIG. 6B is a schematic cross-sectional configuration diagram of a high-frequency module 1C according to Modification 3 of Embodiment 1, and specifically, a cross-sectional view taken along the line VIB-VIB in FIG. 6A.
- 6A shows a layout diagram of circuit elements when the main surface 91a is viewed from the positive side of the y-axis among the main surfaces 91a and 91b of the module substrate 91 facing each other.
- (b) of FIG. 6A shows a perspective view of the arrangement of circuit elements when the main surface 91b is viewed from the positive y-axis direction.
- the high frequency module 1C according to the present modification is different from the high frequency module 1B according to the second modification of the first embodiment only in that a metal chip is additionally arranged.
- the description of the high-frequency module 1C according to the present modification is omitted with the same points as the high-frequency module 1B according to the second modification of the first embodiment being omitted.
- the module substrate 91 when the module substrate 91 is viewed in plan (when viewed from the z-axis direction), the module substrate 91 is mounted on the main surface 91a between the inductors 31L and 32L and the inductors 41L and 42L.
- a plurality of metal chips 95a and a plurality of metal chips 95b mounted on the main surface 91b are arranged. That is, in this modification, metal chips 95a and 95b are disposed as conductive members disposed between the inductors 31L and 32L and the inductors 41L and 42L. As shown in FIG.
- each of the plurality of metal chips 95a is connected to the ground pattern 93G1 disposed on the module substrate 91, and each of the plurality of metal chips 95b is connected to the ground pattern 93G2 disposed on the module substrate 91. It is connected.
- the electromagnetic fields generated from the inductors 31L and 32L and the inductors 41L and 42L can be shielded by the metal chips 95a and 95b, so that the electromagnetic field coupling between the inductors 31L and 32L and the inductors 41L and 42L is suppressed. it can. Therefore, the inflow amount to the receiving circuit of the harmonic component of the high-power high-frequency transmission signal amplified by the transmission power amplifiers 11 and 12, or the intermodulation distortion component of the high-frequency transmission signal and other high-frequency signals is further increased. Since it can reduce, the deterioration of the receiving sensitivity of high frequency module 1C can further be controlled.
- duplexers 61 to 64 are arranged between inductors 31L and 32L and inductors 41L and 42L. However, in this modification, duplexers 61 to 64 are connected to inductors 31L and 32L. The inductors 41L and 42L may not be arranged. This is due to the fact that the metal chips 95a and 95b have a function of shielding the electromagnetic field generated from the inductors 31L, 32L, 41L and 42L.
- only one of the plurality of metal chips 95a and 95b may be arranged. This also suppresses electromagnetic coupling between the inductors 31L and 32L and the inductors 41L and 42L.
- the transmission filter, the reception filter, and the metal chip are illustrated as the conductive members disposed between the inductors 31L and 32L and the inductors 41L and 42L.
- the control circuit (6) may be a switch IC including at least one of the switches 51 to 56.
- the circuit elements (1) to (6) preferably have an electrode set to a ground potential or a fixed potential.
- the circuit elements (1) to (6) are modules. It is desirable to be connected to a ground pattern formed in the substrate 91. As a result, the electromagnetic field shielding function of the circuit elements (1) to (6) is improved.
- the electromagnetic fields generated from the inductors 31L and 32L and the inductors 41L and 42L can be shielded, the electromagnetic coupling between the inductors 31L and 32L and the inductors 41L and 42L can be suppressed. Therefore, it is possible to reduce the inflow amount of the harmonic component of the high-output high-frequency transmission signal amplified by the transmission power amplifiers 11 and 12 or the intermodulation distortion component between the high-frequency transmission signal and another high-frequency signal into the reception circuit. Therefore, it is possible to suppress the deterioration of the reception sensitivity of the high frequency module.
- FIG. 7A is a schematic plan configuration diagram of a high-frequency module 1D according to Modification 4 of Embodiment 1.
- FIG. 7B is a schematic cross-sectional configuration diagram of a high-frequency module 1D according to Modification 4 of Embodiment 1, and specifically, a cross-sectional view taken along the line VIIB-VIIB in FIG. 7A.
- 7A shows a layout diagram of circuit elements when the main surface 91a is viewed from the positive side of the y-axis among the main surfaces 91a and 91b of the module substrate 91 facing each other.
- (b) of FIG. 7A shows a perspective view of the arrangement of circuit elements when the main surface 91b is viewed from the y-axis positive direction side.
- the high frequency module 1D according to the present modification is different from the high frequency module 1B according to the second modification of the first embodiment only in that a columnar electrode 150a is additionally arranged.
- the description of the high-frequency module 1D according to the present modification is omitted with the same points as those of the high-frequency module 1B according to the second modification of the first embodiment being omitted.
- the module substrate 91 and the resin member 92 are interposed between the inductors 31L and 32L and the inductors 41L and 42L.
- a plurality of columnar electrodes 150 a penetrating through 93 are disposed. That is, in the present modification, the columnar electrode 150a is disposed as a conductive member disposed between the inductors 31L and 32L and the inductors 41L and 42L. As shown in FIG. 7B, each of the plurality of columnar electrodes 150a is connected to a ground pattern 93G disposed on the module substrate 91.
- the electromagnetic fields generated from the inductors 31L and 32L and the inductors 41L and 42L can be shielded by the plurality of columnar electrodes 150a, the electromagnetic coupling between the inductors 31L and 32L and the inductors 41L and 42L is suppressed. it can. Therefore, the inflow amount to the receiving circuit of the harmonic component of the high-power high-frequency transmission signal amplified by the transmission power amplifiers 11 and 12, or the intermodulation distortion component of the high-frequency transmission signal and other high-frequency signals is further increased. Since it can reduce, the deterioration of the receiving sensitivity of high frequency module 1D can further be suppressed.
- duplexers 61 to 64 are arranged between inductors 31L and 32L and inductors 41L and 42L. However, in this modification, duplexers 61 to 64 are connected to inductors 31L and 32L. The inductors 41L and 42L may not be arranged. This is because the shielding function of the electromagnetic field generated from the inductors 31L, 32L, 41L, and 42L has the plurality of columnar electrodes 150a.
- a columnar electrode 150 for electrically connecting to a mounting substrate disposed on the negative z-axis side of the high-frequency module 1D Since the columnar electrode 150a having the same structure is applied, the manufacturing process of the high-frequency module 1D can be simplified as compared with the case where a metal chip or the like is applied as the conductive member.
- the transmission power amplifiers 11 and 12 and the transmission output matching circuit 30 are mounted on the main surface 91 a of the module substrate 91, and the reception low noise amplifiers 21 and 22 and the reception input matching circuit 40 are the main surface of the module substrate 91.
- the configuration implemented in 91b is shown.
- the transmission power amplifiers 11 and 12 and the transmission output matching circuit 30 are distributed to the main surface 91a and the main surface 91b of the module substrate 91, and the reception low noise amplifiers 21 and 22 and the reception power reception circuit 30 are received.
- a configuration in which the input matching circuit 40 is distributed between the main surface 91b and the main surface 91a of the module substrate 91 will be described.
- the circuit configuration of the high frequency module 1E according to the present embodiment is the same as the circuit configuration of the high frequency module 1 according to the first embodiment shown in FIG.
- FIG. 8A is a schematic plan view of the high-frequency module 1E according to the second embodiment.
- FIG. 8B is a schematic cross-sectional view of the high-frequency module 1E according to Embodiment 2, and specifically, is a cross-sectional view taken along line VIIIB-VIIIB in FIG. 8A.
- 8A shows a layout diagram of circuit elements when the main surface 91a is viewed from the positive side of the y-axis among the main surfaces 91a and 91b of the module substrate 91 facing each other.
- (b) of FIG. 8A shows a perspective view of the arrangement of circuit elements when the main surface 91b is viewed from the y-axis positive direction side.
- the high-frequency module 1E according to the present embodiment is different from the high-frequency module 1 according to the first embodiment in the principal surfaces 91a and 91b of the circuit elements constituting the high-frequency module 1E.
- the distribution of the location is different.
- the high frequency module 1E according to the present embodiment will not be described for the same points as the high frequency module 1 according to the first embodiment, and will be described mainly with respect to different points.
- the transmission power amplifiers 11 and 12, the duplexers 61 to 64, and the matching circuits 41 and 42 are provided on the main surface 91a of the module substrate 91. It is surface mounted.
- the reception low noise amplifiers 21 and 22, the matching circuits 31 and 32, and the switches 51, 52, and 55 are surface-mounted on the main surface 91 b of the module substrate 91.
- the inductors 41L and 42L are arranged on the main surface 91a of the module substrate 91, and the inductors 31L and 32L are arranged on the main surface 91b.
- the electromagnetic field generated from the inductors 31L and 32L and the inductors 41L and 42L can be shielded by the module substrate 91, the electromagnetic coupling between the inductors 31L and 32L and the inductors 41L and 42L can be suppressed. Therefore, it is possible to reduce the inflow amount of the harmonic component of the high-output high-frequency transmission signal amplified by the transmission power amplifiers 11 and 12 or the intermodulation distortion component between the high-frequency transmission signal and another high-frequency signal into the reception circuit. Therefore, it is possible to suppress the deterioration of the reception sensitivity of the high frequency module 1E.
- the transmission power amplifier 11 and the matching circuit 31 are viewed in a plan view of the module substrate 91 (as viewed from the z-axis direction), at least a part thereof overlaps. Further, at least a part of the transmission power amplifier 12 and the matching circuit 32 overlap in the plan view.
- the reception low noise amplifier 21 and the matching circuit 41 are at least partially overlapped in the plan view.
- the reception low noise amplifier 22 and the matching circuit 42 at least partially overlap in the plan view.
- inductors 31L and 32L and inductors 41L and 42L do not overlap. Also good. Thereby, a large distance in the xy plane direction between the inductors 31L and 32L and the inductors 41L and 42L can be secured, so that interference of the electromagnetic field generated from the inductors 31L and 32L to the inductors 41L and 42L can be further reduced. Electromagnetic field coupling between 31L and 32L and inductors 41L and 42L can be further suppressed.
- the main surface 91a is interposed between the inductors 31L and 32L and the inductors 41L and 42L.
- the electrically-conductive member mounted in 91b may be arrange
- the conductive member is at least one of the duplexers 61 to 64 and the switches 51, 52 and 55. Further, the conductive member may be at least one of a transmission filter and a reception filter that constitute each of the duplexers 61 to 64.
- Each of the transmission filter and the reception filter and the switches 51, 52, and 55 constituting each of the duplexers 61 to 64 has a plurality of conductive members such as signal extraction electrodes.
- at least one of the plurality of signal extraction electrodes One is connected to the ground pattern 93G1 or 93G2 arranged on the module substrate 91.
- the electromagnetic fields generated from the inductors 31L and 32L and the inductors 41L and 42L can be shielded by at least one of the duplexers 61 to 64 and the switches 51, 52 and 55. Therefore, the inductors 31L and 32L and the inductors 41L and 41L Electromagnetic field coupling with 42L can be suppressed.
- the high-frequency module 1E may be configured such that a conductive member mounted on the main surface 91a or 91b is disposed between the inductors 31L and 32L and the inductors 41L and 42L.
- a conductive member mounted on the main surface 91a or 91b may be disposed between at least one of the inductors 31L and 32L and at least one of the inductors 41L and 42L.
- the high-frequency module according to Embodiments 1 and 2 includes the module substrate 91, the transmission power amplifier 11, the inductor 31L connected to the output terminal of the transmission power amplifier 11, the reception low noise amplifier 21, and the reception low noise.
- An inductor 41L connected to the input terminal of the amplifier 21, the inductor 31L is mounted on the main surface 91a of the module substrate 91, and the inductor 41L is mounted on the main surface 91b of the module substrate 91.
- the frequency of the intermodulation distortion between the high-frequency transmission signal of the communication band A and the other high-frequency signal amplified by the transmission power amplifier 11 partially overlaps with the reception band of the communication band A.
- the electromagnetic field generated by the inductors 31L and 41L can be shielded by the module substrate 91. Therefore, since electromagnetic coupling between the inductor 31L and the inductor 41L can be suppressed, the intermodulation distortion can be suppressed from flowing into the reception path of the communication band A by bypassing the transmission filter 61T. Sensitivity deterioration can be suppressed.
- the high-frequency module according to the first and second embodiments is further arranged in the transmission path AT connecting the common terminal 100, the transmission power amplifier 11 and the common terminal 100, and the high-frequency transmission signal amplified by the transmission power amplifier 11 Among the high-frequency reception signals input from the common terminal 100, the transmission filter 61T that passes a high-frequency transmission signal in a predetermined transmission band, and the reception path AR that connects the reception low noise amplifier 21 and the common terminal 100.
- the high-frequency module according to Embodiments 1 and 2 includes a first transmission circuit that performs transmission and reception of a high-frequency signal of the communication band A belonging to the first frequency band group between the common terminal 100 and the common terminal 100.
- a second transmission circuit and a first reception circuit that perform transmission and reception of a high-frequency signal of the communication band C belonging to the second frequency band group higher in frequency than the first frequency band group between the two reception circuits and the common terminal 100
- a module substrate 91 on which the first and second transmission circuits and the first and second reception circuits are mounted.
- the first transmission circuit is arranged in a transmission path AT connecting the transmission power amplifier 11 (first transmission power amplifier) and the transmission power amplifier 11 and the common terminal 100, and a transmission filter 61T having a transmission band of the communication band A as a pass band.
- (First transmission filter) and a transmission output matching circuit 30 that is disposed in the transmission path AT between the transmission power amplifier 11 and the transmission filter 61T and that performs impedance matching between the transmission power amplifier 11 and the transmission filter 61T.
- the second receiving circuit is arranged in a transmission path AR connecting the reception low noise amplifier 21 (second reception low noise amplifier) and the signal low noise amplifier 21 and the common terminal 100, and uses the reception band of the communication band A as a pass band.
- a reception filter 61R second reception filter).
- the second transmission / reception circuit is disposed in a transmission power amplifier 12, a transmission path CT connecting the transmission power amplifier 12 and the common terminal 100, and a transmission filter 63T (second transmission filter) having a transmission band of the communication band C as a pass band.
- the first receiving circuit is arranged in a reception path CR connecting the reception low noise amplifier 22 (first reception low noise amplifier) and the reception low noise amplifier 22 and the common terminal 100, and uses the reception band of the communication band C as a pass band.
- a reception filter 63R (first reception filter) and a reception input matching circuit that is arranged in a reception path CR between the reception low noise amplifier 21 and the reception filter 63R and that performs impedance matching between the reception low noise amplifier 21 and the reception filter 63R. 40.
- Transmission output matching circuit 30 includes an inductor 31L mounted on one of main surfaces 91a and 91b, and a reception input matching circuit includes an inductor 42L mounted on the other of main surfaces 91a and 91b.
- the frequency of the harmonic of the high frequency transmission signal of the communication band A amplified by the transmission power amplifier 11 or the frequency of intermodulation distortion between the high frequency transmission signal and another high frequency signal is received in the communication band C.
- the electromagnetic field generated by the inductors 31L and 42L can be shielded by the module substrate 91, so that the electromagnetic coupling between the inductor 31L and the inductor 42L can be suppressed. Therefore, the intermodulation distortion component can be prevented from flowing into the reception path of the communication band C by bypassing the transmission filter 61T, so that deterioration in reception sensitivity of the high frequency module can be suppressed.
- the present invention can be widely used in communication equipment such as a mobile phone as a high-frequency module disposed in a multiband-compatible front end unit.
Abstract
Description
[1.1 高周波モジュール1および通信装置5の回路構成]
図1は、実施の形態1に係る高周波モジュール1の回路構成図である。同図に示すように、通信装置5は、高周波モジュール1と、アンテナ素子2と、RF信号処理回路(RFIC)3と、ベースバンド信号処理回路(BBIC)4と、を備える。
図2Aは、実施の形態1に係る高周波モジュール1の平面構成概略図である。また、図2Bは、実施の形態1に係る高周波モジュール1の断面構成概略図であり、具体的には、図2AのIIB-IIB線における断面図である。なお、図2Aの(a)には、モジュール基板91の互いに対向する主面91aおよび91bのうち、主面91aをy軸正方向側から見た場合の回路素子の配置図が示されている。一方、図2Aの(b)には、主面91bをy軸正方向側から見た場合の回路素子の配置を透視した図が示されている。
図3は、実施の形態1の変形例1に係る高周波モジュール1Aの平面構成概略図である。本変形例に係る高周波モジュール1Aは、実施の形態1に係る高周波モジュール1と比較して、インダクタ31L、32L、41Lおよび42Lの配置構成のみが異なる。以下、本変形例に係る高周波モジュール1Aについて、実施の形態1に係る高周波モジュール1と同じ点は説明を省略し、異なる点を中心に説明する。
図4Aは、実施の形態1の変形例2に係る高周波モジュール1Bの平面構成概略図である。また、図4Bは、実施の形態1の変形例2に係る高周波モジュール1Bの断面構成概略図であり、具体的には、図4AのIVB-IVB線における断面図である。なお、図4Aの(a)には、モジュール基板91の互いに対向する主面91aおよび91bのうち、主面91aをy軸正方向側から見た場合の回路素子の配置図が示されている。一方、図4Aの(b)には、主面91bをy軸正方向側から見た場合の回路素子の配置を透視した図が示されている。
なお、上記変形例2に係る高周波モジュール1Bでは、インダクタ31Lおよび32Lと、インダクタ41Lおよび42Lとの間に、モジュール基板91に実装された導電部材を有しているが、これに代わり、本実施の形態に係る高周波モジュール1は、以下のような構成を有していてもよい。
図6Aは、実施の形態1の変形例3に係る高周波モジュール1Cの平面構成概略図である。また、図6Bは、実施の形態1の変形例3に係る高周波モジュール1Cの断面構成概略図であり、具体的には、図6AのVIB-VIB線における断面図である。なお、図6Aの(a)には、モジュール基板91の互いに対向する主面91aおよび91bのうち、主面91aをy軸正方向側から見た場合の回路素子の配置図が示されている。一方、図6Aの(b)には、主面91bをy軸正方向側から見た場合の回路素子の配置を透視した図が示されている。
図7Aは、実施の形態1の変形例4に係る高周波モジュール1Dの平面構成概略図である。また、図7Bは、実施の形態1の変形例4に係る高周波モジュール1Dの断面構成概略図であり、具体的には、図7AのVIIB-VIIB線における断面図である。なお、図7Aの(a)には、モジュール基板91の互いに対向する主面91aおよび91bのうち、主面91aをy軸正方向側から見た場合の回路素子の配置図が示されている。一方、図7Aの(b)には、主面91bをy軸正方向側から見た場合の回路素子の配置を透視した図が示されている。
実施の形態1では、送信電力増幅器11、12および送信出力整合回路30がモジュール基板91の主面91aに実装され、受信低雑音増幅器21、22および受信入力整合回路40がモジュール基板91の主面91bに実装された構成を示した。これに対して、本実施の形態では、送信電力増幅器11、12と送信出力整合回路30とがモジュール基板91の主面91aと主面91bとに振り分けられ、受信低雑音増幅器21、22と受信入力整合回路40とがモジュール基板91の主面91bと主面91aとに振り分けられた構成について示す。なお、本実施の形態に係る高周波モジュール1Eの回路構成は、図1に示された実施の形態1に係る高周波モジュール1の回路構成と同じであるため、回路構成の説明は省略する。
以上、実施の形態1および2に係る高周波モジュールは、モジュール基板91と、送信電力増幅器11と、送信電力増幅器11の出力端子に接続されたインダクタ31Lと、受信低雑音増幅器21と、受信低雑音増幅器21の入力端子に接続されたインダクタ41Lと、を備え、インダクタ31Lはモジュール基板91の主面91aに実装されており、インダクタ41Lはモジュール基板91の主面91bに実装されている。
以上、本発明の実施の形態に係る高周波モジュールおよび通信装置について、実施の形態およびその変形例を挙げて説明したが、本発明に係る高周波モジュールおよび通信装置は、上記実施の形態およびその変形例に限定されるものではない。上記実施の形態およびその変形例における任意の構成要素を組み合わせて実現される別の実施の形態や、上記実施の形態およびその変形例に対して本発明の主旨を逸脱しない範囲で当業者が思いつく各種変形を施して得られる変形例や、上記高周波モジュールおよび通信装置を内蔵した各種機器も本発明に含まれる。
2 アンテナ素子
3 RF信号処理回路(RFIC)
4 ベースバンド信号処理回路(BBIC)
5 通信装置
11、12 送信電力増幅器
21、22 受信低雑音増幅器
30 送信出力整合回路
31、32、41、42、71、72、73、74 整合回路
31C、32C、41C、42C キャパシタ
31L、32L、41L、42L インダクタ
40 受信入力整合回路
51、52、53、54、55、56 スイッチ
61、62、63、64 デュプレクサ
61R、62R、63R、64R 受信フィルタ
61T、62T、63T、64T 送信フィルタ
80 カプラ
91 モジュール基板
91a、91b 主面
92、93 樹脂部材
93G、93G1、93G2 グランドパターン
95、95a、95b 金属チップ
100 共通端子
150、150a 柱状電極
180 カプラ出力端子
Claims (16)
- 互いに対向する第1主面および第2主面を有するモジュール基板と、
高周波送信信号を増幅する第1送信電力増幅器と、
前記第1送信電力増幅器の出力端子に接続された送信出力整合回路と、
高周波受信信号を増幅する第1受信低雑音増幅器と、
前記第1受信低雑音増幅器の入力端子に接続された受信入力整合回路と、を備え、
前記送信出力整合回路は、第1インダクタンス素子を含み、
前記受信入力整合回路は、第2インダクタンス素子を含み、
前記第1インダクタンス素子は、前記モジュール基板の前記第1主面に実装されており、
前記第2インダクタンス素子は、前記モジュール基板の前記第2主面に実装されている、
高周波モジュール。 - さらに、
共通端子と、
前記第1送信電力増幅器と前記共通端子とを結ぶ送信経路に配置され、前記第1送信電力増幅器で増幅された高周波送信信号のうち、所定の送信帯域の高周波送信信号を通過させる第1送信フィルタと、
前記第1受信低雑音増幅器と前記共通端子とを結ぶ受信経路に配置され、前記共通端子から入力された高周波受信信号のうち、所定の受信帯域の高周波受信信号を通過させる第1受信フィルタと、を備え、
前記送信出力整合回路は、前記第1送信電力増幅器と前記第1送信フィルタとの間の前記送信経路に配置され、前記第1送信電力増幅器と前記第1送信フィルタとのインピーダンス整合をとり、
前記受信入力整合回路は、前記第1受信低雑音増幅器と前記第1受信フィルタとの間の前記受信経路に配置され、前記第1受信低雑音増幅器と前記第1受信フィルタとのインピーダンス整合をとる、
請求項1に記載の高周波モジュール。 - 前記モジュール基板を平面視した場合、前記第1インダクタンス素子と前記第2インダクタンス素子とは、重複しない、
請求項1または2に記載の高周波モジュール。 - 前記第1インダクタンス素子が発生する磁束と、前記第2インダクタンス素子が発生する磁束とは、直交している、
請求項1~3のいずれか1項に記載の高周波モジュール。 - 前記モジュール基板を平面視した場合、前記第1インダクタンス素子と前記第2インダクタンス素子との間に、前記第1主面または前記第2主面に実装された導電部材が配置されている、
請求項1~4のいずれか1項に記載の高周波モジュール。 - 前記モジュール基板を平面視した場合、当該平面視により投影される前記第1インダクタンス素子の領域内の任意の点と、当該平面視により投影される前記第2インダクタンス素子の領域内の任意の点とを結ぶ線に、当該平面視により投影される前記導電部材の領域の少なくとも一部が重複している、
請求項5に記載の高周波モジュール。 - 前記導電部材は、
(1)前記第1送信電力増幅器を含む送信経路および前記第1受信低雑音増幅器を含む受信経路とアンテナ共通端子との導通および非導通を切り替える第1スイッチ、
(2)前記送信経路と前記第1送信電力増幅器との導通および非導通を切り替える第2スイッチ、
(3)前記受信経路と前記第1受信低雑音増幅器との導通および非導通を切り替える第3スイッチ、
(4)前記送信経路に配置された第1送信フィルタ、
(5)前記受信経路に配置された第1受信フィルタ、
(6)前記アンテナ共通端子と前記第1送信フィルタおよび前記第1受信フィルタとの間に配置されたマルチプレクサ、
(7)金属チップ、
(8)チップコンデンサ、
(9)前記第1送信電力増幅器および前記第1受信低雑音増幅器の利得を調整する制御信号、ならびに、前記第1スイッチ、前記第2スイッチおよび前記第3スイッチの切り替えを制御する制御信号の少なくとも1つを生成する制御回路、
のいずれかである、
請求項5または6に記載の高周波モジュール。 - 前記導電部材は、前記第1主面または前記第2主面を経由して接地された電極を含む、
請求項5~7のいずれか1項に記載の高周波モジュール。 - 前記モジュール基板を平面視した場合、前記モジュール基板は、前記第1送信電力増幅器を含む送信経路に配置された第1送信フィルタおよび前記第1受信低雑音増幅器を含む受信経路に配置された第1受信フィルタの少なくとも一方を包含する中央領域と、当該中央領域を除き前記第1主面の4つの外辺のそれぞれを含む4つの外辺領域とで構成されており、
前記第1インダクタンス素子と前記第2インダクタンス素子とは、前記第1主面を平面視した場合、前記中央領域を挟んで対向する2つの外辺領域に、それぞれ配置されている、
請求項1~8のいずれか1項に記載の高周波モジュール。 - 前記所定の送信帯域は、第1通信バンドの送信帯域であり、
前記所定の受信帯域は、前記第1通信バンドの受信帯域であり、
前記第1送信電力増幅器は、前記第1通信バンドの送信帯域の高周波送信信号を優先的に増幅し、
前記第1受信低雑音増幅器は、前記第1通信バンドの受信帯域の高周波受信信号を優先的に増幅し、
前記第1送信フィルタと前記第1受信フィルタとは、前記第1通信バンドに対応したデュプレクサを構成する、
請求項2に記載の高周波モジュール。 - 前記所定の送信帯域は、第1通信バンドの送信帯域であり、
前記所定の受信帯域は、前記第1通信バンドと異なる第2通信バンドの受信帯域であり、
前記第1送信電力増幅器は、前記第1通信バンドの送信帯域の高周波送信信号を優先的に増幅し、
前記第1受信低雑音増幅器は、前記第2通信バンドの受信帯域の高周波受信信号を優先的に増幅し、
前記高周波モジュールは、さらに、
前記第2通信バンドの送信帯域の高周波送信信号を優先的に増幅する第2送信電力増幅器と、
前記第2送信電力増幅器で増幅された高周波送信信号のうち、前記第2通信バンドの送信帯域の高周波送信信号を通過させる第2送信フィルタと、
前記第1通信バンドの受信帯域の高周波受信信号を通過させる第2受信フィルタと、
前記第1通信バンドの受信帯域の前記高周波受信信号を優先的に増幅する第2受信低雑音増幅器と、を備える、
請求項2に記載の高周波モジュール。 - 前記第1通信バンドの高周波送信信号の送信と、前記第2通信バンドの高周波受信信号の受信とを同時に実行する、
請求項11に記載の高周波モジュール。 - 前記第1送信電力増幅器で増幅された高周波送信信号の高調波成分の周波数、または、当該高周波送信信号と他の高周波信号との相互変調歪の周波数が、前記所定の受信帯域の少なくとも一部と重複する、
請求項2に記載の高周波モジュール。 - 前記モジュール基板は、複数の誘電体層が積層された多層構造を有し、
前記複数の誘電体層の少なくとも1つには、グランド電極パターンが形成されている、
請求項1~13のいずれか1項に記載の高周波モジュール。 - 前記第1送信電力増幅器は、前記第1主面および前記第2主面の一方に実装され、
前記第1受信低雑音増幅器は、前記一方と対向する、前記第1主面および前記第2主面の他方に実装されている、
請求項1~14のいずれか1項に記載の高周波モジュール。 - アンテナ素子で送受信される高周波信号を処理するRF信号処理回路と、
前記アンテナ素子と前記RF信号処理回路との間で前記高周波信号を伝達する請求項1~15のいずれか1項に記載の高周波モジュールと、を備える、
通信装置。
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WO2022123823A1 (ja) * | 2020-12-11 | 2022-06-16 | 株式会社村田製作所 | ハイブリッドフィルタ、マルチプレクサ、高周波モジュールおよび通信装置 |
WO2022124035A1 (ja) * | 2020-12-11 | 2022-06-16 | 株式会社村田製作所 | 高周波モジュールおよび通信装置 |
WO2022145320A1 (ja) * | 2020-12-28 | 2022-07-07 | 株式会社村田製作所 | 高周波回路 |
WO2022209727A1 (ja) * | 2021-03-31 | 2022-10-06 | 株式会社村田製作所 | 高周波モジュールおよび通信装置 |
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US11201637B2 (en) | 2021-12-14 |
KR20210003274A (ko) | 2021-01-11 |
KR102441262B1 (ko) | 2022-09-07 |
US20210152210A1 (en) | 2021-05-20 |
CN214069909U (zh) | 2021-08-27 |
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