WO2002001931A1 - Module de substrat multicouche et terminal sans fil portable - Google Patents
Module de substrat multicouche et terminal sans fil portable Download PDFInfo
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- WO2002001931A1 WO2002001931A1 PCT/JP2000/004305 JP0004305W WO0201931A1 WO 2002001931 A1 WO2002001931 A1 WO 2002001931A1 JP 0004305 W JP0004305 W JP 0004305W WO 0201931 A1 WO0201931 A1 WO 0201931A1
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- node
- reference potential
- mixer
- wiring
- circuit
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/50—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor for integrated circuit devices, e.g. power bus, number of leads
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/538—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
- H01L23/5383—Multilayer substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/552—Protection against radiation, e.g. light or electromagnetic waves
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
- H01L23/64—Impedance arrangements
- H01L23/645—Inductive arrangements
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0039—Galvanic coupling of ground layer on printed circuit board [PCB] to conductive casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15312—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a pin array, e.g. PGA
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3011—Impedance
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
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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
- H03H7/01—Frequency selective two-port networks
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0296—Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295
- H05K1/0298—Multilayer circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/07—Electric details
- H05K2201/0707—Shielding
- H05K2201/0715—Shielding provided by an outer layer of PCB
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09218—Conductive traces
- H05K2201/09254—Branched layout
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
- H05K2201/09972—Partitioned, e.g. portions of a PCB dedicated to different functions; Boundary lines therefore; Portions of a PCB being processed separately or differently
Definitions
- the present invention relates to a multilayer substrate module, and more particularly, to a multilayer substrate module on which an electronic circuit operating in a high frequency region is formed, and a wireless terminal device including a circuit mounted on such a multilayer substrate module.
- an electronic circuit group for constituting such an electronic device such as a wireless communication device is used as a multilayer substrate module formed on a multilayer substrate.
- a multilayer board module not only the integrated circuit group is mounted on the upper surface of the board, but also the circuit elements are formed actively in the layers inside the board, and the electronic circuit group is formed using these circuit elements. Because it is composed, it is particularly advantageous for small and light-weight vehicles.
- FIG. 18 is a sectional view of a multilayer board module showing a general arrangement example of electronic circuits in such a multilayer board module.
- multilayer substrate module 100 is mounted on main board 10 and receives supply of reference potential V ss for grounding from ground node 20 provided on main board 10. .
- the multilayer substrate module 100 is formed by laminating a plurality of insulating layers 105 made of ceramics or the like.
- the multilayer board module 100 has electronic circuits 210, 220, 230 inside.
- an electronic circuit formed in the multilayer substrate module is also simply referred to as an internal circuit.
- Circuit elements for forming an internal circuit are arranged on the insulating layer 105 or on the upper surface of the multilayer substrate module.
- passive elements such as coils and resistors
- Semiconductor elements such as transistors and diodes formed inside the insulating layer are mounted as integrated circuits on the surface of the multilayer substrate module.
- FIG. 18 shows, as an example, an example in which the multilayer board module is configured by three internal circuits 210, 220, and 230.
- the internal circuit 210 includes circuit elements 211 and 212 formed on the insulating layer 105.
- the internal circuit 220 includes a circuit element 222, which is an integrated circuit mounted on the multilayer substrate module, and circuit elements 222, 222 formed on the insulating layer 105.
- the internal circuit 230 includes circuit elements 231, 2332, and 233 formed on the insulating layer 105.
- pattern wiring for connecting these circuit elements is suitable in the multilayer board module 100 :! : Provided.
- the transmission and reception of electric signals between the multilayer board module 100 and the main board 10 are executed, for example, via a signal transmission node 202 provided as a pin terminal. Further, at least one of these signal transmission nodes is connected to an earth node 20 provided on the main board 10 to ground the multilayer board module 100.
- these signal transmission nodes are simply referred to as pin terminals 202, and those signal transmission nodes coupled to the ground node are also referred to as ground pin terminals 204 and pin terminals. It should be distinguished from 202.
- a main ground wire 150 connected to the ground pin terminal 204 is formed in the height direction so as to penetrate the insulating layer 105.
- Sub-ground wires 2 15, 2 25, and 235 are provided between each internal circuit and the main ground wire 150.
- each internal circuit is mounted on the main board on which the multilayer board module 100 is mounted. It is electrically coupled to the node 20 and can be supplied with the reference potential V ss for grounding.
- the main ground wiring and the sub ground wiring are collectively referred to simply as a ground wiring group:
- FIG. 19 shows the effect of the parasitic inductance of the ground wiring group on the internal circuit.
- FIG. 3 is a conceptual diagram for explaining a problem.
- FIG. 19 typically shows a problem that occurs between internal circuits 210 and 220.
- internal circuit 210 is electrically coupled to ground node 20 via sub-grounding wire 215 and main grounding wire 150.
- the internal circuit 220 is connected to the ground node 20 via the sub-ground wiring 225 and the main ground wiring 150.
- the parasitic inductance of the main ground wiring 150 is represented by L grd
- the ground current I grd that should originally flow from the internal circuit 2] 0 to the ground node 20 does not pass through the high-impedance main ground wiring 150, but the sub-ground wiring 2 25 May flow into other internal circuits 220 through the interface (I gr ⁇ ').
- FIG. 20 is a cross-sectional view showing a general arrangement example of a plurality of electronic circuits formed on a multilayer substrate module.
- internal circuits 230 and 240 are, for example, integrated circuits on which semiconductor elements are mounted.
- a metal film for grounding is formed on the back surface, and the integrated circuit is often grounded by this metal film.
- the internal circuits 230 and 240 which are integrated circuits, are grounded by metal films 235 and 245, respectively.
- Internal circuit 230 and 240 are physically integrated into one chip to produce a multilayer board module
- the metal coatings 235 and 245 are integrated and act as an integral ground electrode. Therefore, if the auxiliary grounding wiring 255 is arranged between the integrated metal coatings 235 and 245 and the main grounding wiring 150 provided in the multilayer board module 100, The internal circuit arranged on the multi-layer substrate module can be grounded.
- a problem may occur even for a single internal circuit formed in the multilayer substrate module.
- a mobile phone adopting the CDMA (Code Division Multiple Access) system uses a frequency band of about 1 to 2 GHz, and a low noise amplifier (hereinafter referred to as a high-frequency amplifier) provided in such a mobile phone.
- a high-frequency amplifier hereinafter referred to as a high-frequency amplifier
- FIG. 21 is a circuit diagram showing a configuration of a general high-frequency amplifier circuit.
- high-frequency amplifier circuit 300 includes a transistor 310 as an amplifying element, resistance elements R1 to R4, capacitors C1 to C5, and an inductor disposed therearound. Including L. These peripheral elements form a bias resistance, a coupling capacitance, and the like for the transistor 310. As the transistor 310, a field-effect transistor is typically used.
- the high-frequency amplifier circuit 300 is driven by the drive potential Vdd, amplifies the voltage signal input to the input node I N, and outputs the amplified signal to the output node OUT. Since the high-frequency amplification circuit 300 is a general one, its detailed operation will not be described.
- FIG. 22 is a conceptual diagram illustrating a problem that occurs in the low-frequency amplifier circuit 300 due to the influence of the parasitic inductance of the ground wiring.
- peripheral elements (resistors, capacitors, and inductors) shown in Fig. 21 are indicated by blocks 312 to 326.
- transistor 310 In response to the input to the gate 311, a current path is formed between the drain 312 and the source 313, and a potential level in response to this source-drain current appears on the output QUT. A signal amplification is performed.
- the gate 311, the drain 312, and the source 313 of the transistor 310 are connected to the main ground wiring 150 via blocks 322, 324, and 325 indicating peripheral elements, respectively, and are grounded.
- the impedance due to the parasitic inductance L grd of the main ground wiring 150 becomes large, so that the ground
- a phenomenon occurs in which part of the drain current that should flow into 20 flows into the gate 311 of the transistor 310 as an input to the gate 311.
- the amplifying action of the transistor 310 becomes unstable, and the high-frequency amplifying circuit
- FIG. 23 is a block diagram showing the arrangement of the direct mixer.
- 90 ° distributor 402 distributes high-frequency signal RF (frequency.frf) into high-frequency signal RF I for the I channel and high-frequency signal RFQ for the Q channel, which are 90 ° out of phase with each other. .
- the 0 ° distributor 404 distributes the local oscillation signal LO (frequency f 1 o) to signals of the same phase.
- Quadrature mixer 400 includes a first mixer 41 ° a for the I channel and a second mixer 410b for the Q channel.
- the quadrature mixers 400 are 90 to each other.
- the baseband signals BBI and BBQ are generated by receiving the high-frequency signals RF and RFQ for the I- and Q-channels having different phases and the local oscillation signal LO.
- the high-frequency signal RF corresponds to, for example, a received wave in a mobile phone.
- the frequency f 1 o of the local oscillation signal LO is half the frequency f rf of the high-frequency signal RF.
- the first mixer 410a generates a baseband signal BB ⁇ ⁇ (frequency 1 frf — f10I) based on the I-channel high-frequency signal RFI and the local oscillation signal LO.
- second mixer 410b receives Q-channel high-frequency signal RFQ and local oscillation signal LO, and generates baseband signal B13Q (frequency 1 ⁇ rf-1f1o1).
- FIG. 24 is a waveform diagram illustrating an ideal output signal of the quadrature mixer.
- first mixer 4100a and second mixer 4110b operate symmetrically, and the base-spread signals BBI and BBQ are However, the signals have the same amplitude and 90 ° phase shift.
- FIG. 25 is a conceptual diagram illustrating a problem that occurs in the quadrature mixer 400 under the influence of the parasitic inductance of the ground wiring.
- the first mixer 410a and the second mixer 410b are connected to the main ground wiring 150, as described above.
- Such an adverse effect due to the sneak of the ground current is not caused by other internal circuits but occurs between the first mixer 410a and the second mixer 410b in the quadrature mixer circuit. .
- the ground current I grd that should flow into the ground node 20 from the first mixer 410a is equal to the parasitic inductance L grd of the main ground wiring 150. Due to the influence, the current may flow into the second mixer 41Ob through the current path indicated by the dotted line, and this may impair the orthogonality of both mixers.
- Such an influx current I grd ′ adversely affects the amplitude error ⁇ ⁇ and the phase error ⁇ 0 between the baseband signals BBI and BBQ, as shown in FIG. 26. There is a problem that accuracy is lost. Disclosure of the invention
- An object of the present invention is to provide a multilayer board module having a configuration of a ground wiring capable of preventing an unstable operation at a high frequency operation for a plurality of electronic circuits to be mounted. is there
- Another object of the present invention is to provide a wireless terminal device provided with a quadrature mixer mounted on a multilayer board module, capable of ensuring sufficient quadrature accuracy even during high-frequency operation.
- the multilayer substrate module receiving the supply of the reference potential from the external potential node includes a plurality of stacked insulating layers, at least one reference potential transmission node, a plurality of internal circuits, and a plurality of reference potentials. And wiring.
- the reference potential transmission node is Electrically connected to the internal potential node.
- the plurality of internal circuits include at least one circuit element formed on each of the insulating layer and the surface of the multilayer board module.
- the plurality of reference potential wirings are provided corresponding to the plurality of internal circuits, respectively, for transmitting the reference potential.
- the reference potential transmission node is provided corresponding to each of the plurality of internal circuits, and one of the plurality of reference potential wirings has a smaller parasitic inductance than each of the remaining plurality of first wirings.
- the reference potential transmission node is provided in common to the plurality of internal circuits
- the multilayer substrate module is further provided in one of the plurality of insulating layers, and is electrically coupled to the reference potential transmission node.
- Each of the reference potential wirings is electrically coupled to the common wiring node in an insulating layer provided with the common wiring node.
- the multilayer board module is mounted on a main board, the multilayer board module further includes a plurality of signal transmission nodes for transmitting and receiving electric signals to and from the main board, and covering an outer surface of the multilayer board module.
- one of the plurality of internal circuits is a first integrated circuit mounted on a top surface of the multilayer board module, and the other one of the plurality of internal circuits is a top surface of the multilayer board module.
- the first and second integrated circuits are mounted on the same chip having a common metal electrode, and the reference potential wiring corresponding to the first and second integrated circuits is provided. Are provided directly between the first and second integrated circuits and the external potential node, respectively.
- the ground current can be reliably guided to the ground node even at the time of high frequency operation, so that the operation of the internal circuit can be prevented from becoming unstable.
- the antenna receives a high frequency signal including multiple channels.
- the local oscillator is a local oscillator signal. Oscillate.
- the phase shifters respond to the high frequency signal from the antenna and
- the first and second high-frequency signals having phases different from each other by 90 ° are generated.
- the first mixer circuit generates a first baseband signal by mixing the first high-frequency signal from the phase shifter with a local oscillation signal from a local oscillator.
- the second mixer circuit mixes the second high-frequency signal from the phase shifter with a local oscillation signal from a local oscillator to generate a second baseband signal.
- the baseband circuit demodulates the first and second baseband signals.
- the first and second mixer circuits are mounted on a multilayer board module that receives supply of a reference potential from an external potential node.
- the multi-layer substrate includes a plurality of stacked insulating layers, at least one reference potential transmission node electrically coupled to an external potential node, and first and second conductive layers for transmitting the reference potential. It includes first and second reference potential wirings provided corresponding to the mixer circuits, respectively.
- the wireless terminal device further includes an amplification circuit arranged between the antenna and the phase shifter for amplifying a high frequency signal from the antenna, wherein the amplification circuit is mounted on the multilayer substrate module, and
- the circuit includes a transistor for performing signal amplification, and the transistor includes a control node that receives a high-frequency signal as an input, and a first conductive element that receives a drive potential and generates an output signal to a phase shift circuit.
- a second conduction node forming a current path between the first conduction node and the first conduction node in response to an input to the control node.
- a first sub-reference potential wiring provided between the second conduction node and the external potential node independently of the first sub-reference potential wiring provided between the first sub-reference potential wiring and the external potential node; And a second sub-reference potential wiring that.
- the quadrature mixer can be mounted on a multilayer board module that is advantageous for miniaturization, and the quadrature accuracy of the quadrature mixer can be ensured even during high-frequency operation.
- FIG. 1 is a schematic diagram showing an appearance of a multilayer board module according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view taken along line XX ′ of the multilayer board module shown in FIG.
- FIG. 3 is a cross-sectional view of a multilayer board module according to Embodiment 2 of the present invention.
- FIG. 4 is a schematic diagram showing an appearance of a multilayer board module according to Embodiment 3 of the present invention.
- FIG. 5 is a cross-sectional view of the multilayer board module shown in FIG.
- FIG. 6 is a block diagram showing an overall configuration of a mobile phone including a multilayer board module according to Embodiment 4 of the present invention.
- FIG. 7 is a block diagram showing a specific configuration of the receiving circuit shown in FIG.
- FIG. 8 is a circuit diagram showing a configuration of the orthogonal mixer shown in FIG.
- FIG. 9 is a cross-sectional view showing an example of the arrangement of the ground wiring in the multilayer board module according to the fourth embodiment of the present invention.
- FIG. 10 is a cross-sectional view showing another example of the arrangement of the ground wires in the multilayer board module according to the fourth embodiment of the present invention.
- FIG. 11 is a cross-sectional view showing an example of an arrangement of orthogonal mixers formed in a multilayer board module according to Embodiment 4 of the present invention in the height direction.
- FIG. 12 is a top view showing an example of a horizontal arrangement of orthogonal mixers formed in a multilayer board module according to Embodiment 4 of the present invention. '
- FIG. 13 is a cross-sectional view showing another example of the arrangement in the height direction of the orthogonal mixers formed in the multilayer board module according to Embodiment 4 of the present invention.
- FIG. 14 is a circuit diagram of the low noise amplifier shown in FIG.
- FIG. 15 is a conceptual diagram showing that two integrated circuits are integrated into one chip.
- FIG. 16 is a cross-sectional view showing an example of the arrangement of ground wiring for a one-chip low-noise amplifier formed on a multilayer substrate according to the fourth embodiment of the present invention.
- FIG. 17 is a circuit diagram of a one-chip low-noise amplifier formed on a multilayer substrate module according to the fourth embodiment of the present invention.
- FIG. 18 is a cross-sectional view of a multilayer board module for illustrating a general arrangement example of electronic circuits in such a multilayer board module.
- Fig. 1 '9 is a conceptual diagram explaining the problems that occur in the internal circuit due to the influence of the parasitic inductance of the ground wiring.
- Figure 20 shows the general layout of multiple internal circuits formed on a multilayer board module. It is sectional drawing which shows an example.
- FIG. 21 is a circuit diagram showing a configuration example of a general high-frequency amplifier circuit.
- FIG. 22 is a conceptual diagram illustrating a problem that occurs in the high-frequency amplifier circuit shown in FIG. 21 due to the influence of the parasitic inductance of the ground wiring.
- FIG. 23 is a block diagram showing the arrangement of the orthogonal mixer.
- FIG. 24 is a waveform diagram illustrating an ideal output signal of the quadrature mixer.
- FIG. 25 is a conceptual diagram illustrating a problem that occurs in the quadrature mixer shown in FIG. 23 due to the influence of the parasitic inductance of the ground wiring.
- FIG. 26 is a waveform chart for explaining the problem shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- multilayer board module 110 according to the first embodiment of the present invention is mounted on main board 10.
- a plurality of wiring patterns are formed on the main board 10, and these wiring patterns are electrically coupled to signal transmission nodes 202 provided as, for example, pin terminals.
- signal transmission nodes 202 provided as, for example, pin terminals.
- multi-layer board module 110 receives supply of reference dragon Vss through connection to ground node 20 provided on main board 10.
- supply of the reference potential Vss is also simply referred to as “ground”.
- the wiring pattern of the ground node 20 is formed on the back surface of the main board 10 and is also used for grounding the multilayer board module 110.
- At least one of these signaling nodes is electrically coupled to ground node 20 to ground multilayer board module 110.
- these signal transmission nodes are also simply referred to as pin terminals 202, and among the signal transmission nodes, What is connected to the ground node 20 is also referred to as a ground pin terminal 204 and is distinguished from the pin terminal 202.
- the multilayer board module 110 further includes a plurality of ground wirings 160-1, 160-2, and 160-provided corresponding to the plurality of internal circuits 210, 220, and 230, respectively. — Equipped with 3.
- the circuit elements constituting each internal circuit are the same as those described in FIG. 18, and therefore, description thereof will not be repeated. Further, in the specification, the number of internal circuits in the multilayer substrate module is set to three. This is merely an example, and the configuration of the present invention is applied to a case where a plurality of internal circuits are provided. Is possible.
- ground wires 16 0-1, 160-2, and 160-3 are connected to a plurality of independent ground pin terminals 204-1, 204-2, and 204-3, respectively.
- Ground pin terminals 204-1, 204-2, 204-3 are electrically coupled to ground node 20.
- Each ground wiring is formed in a via hole formed to penetrate insulating layer 105.
- the ground wiring 160-1 is arranged in a via hole 165-1 formed between the ground pin terminal 204-1 and the internal circuit 210.
- ground wiring 160-3 is provided via holes 165-13 formed between ground pin terminal 204-3 and internal circuit 230.
- the ground wiring 160-2 is composed of a plurality of via holes 1665-2a, 165-2-2b and 165-2 "formed in parallel between the ground pin terminal 204-2 and the external circuit 220.
- a plurality of ground wires 162-2a, 162-2b and 162-2c provided in c are connected in parallel.
- the cross-sectional area of via hole 160-1 is made larger than that of other via holes and the cross-sectional area of ground wiring 160-1 is increased, thereby suppressing the parasitic inductance value of ground wiring 160-1. can do.
- the ground wiring 160-2 since a plurality of ground wirings are connected in parallel, the parasitic inductance value can be suppressed. In this way, by increasing the cross-sectional area of the via hole in which the ground wiring is provided as necessary, or by connecting the wiring formed in multiple via holes in parallel, it is possible to respond particularly to internal circuits for which grounding is desired. The parasitic inductance of the provided ground wiring can be suppressed. As a result, it is possible to more reliably prevent the ground current from flowing between the internal circuits during high-frequency operation, and to stabilize the operation of the internal circuit.
- multilayer substrate module 120 includes a plurality of internal circuits 2 10, 2, similarly to multilayer substrate module 110 according to the first embodiment of the present invention. 2 0 and 2 3 0 are provided. The configuration and number of the external circuits are as described in the first embodiment, and therefore description thereof will not be repeated.
- the number of ground pin terminals is required corresponding to the number of internal circuits. I will invite you. Therefore, in the multilayer board module 120, a common node N cmn for integrating the ground wiring for each internal circuit is provided in the insulating layer 105C, and only this common node is connected to the ground pin terminal 204.
- the parasitic inductance between the common node N cmn and the ground node 20 is increased.
- the parasitic inductance of the ground current passing portion which is shared among the plurality of internal circuits 210, 220, 230, is suppressed by using a small number of ground pin terminals. Can be.
- multilayer substrate module 130 according to the third embodiment of the present invention has an outer surface (side surface) as compared with multilayer substrate module 110 according to the first embodiment shown in FIG. Part) is provided with a metal coating 270 connected to the ground node 20.
- Metal coating 270 is electrically coupled to ground node 20 and acts as a ground electrode.
- the metal coating 270 is formed in the pin terminal 202 except the ground terminal 204 so that the pin terminal 202 is not contacted with the metal coating 270.
- multilayer substrate module 130 according to the third embodiment of the present invention includes a plurality of internal circuits 2 10, 2, similarly to multilayer substrate module 110 according to the first embodiment of the present invention. 20 and 230 are provided. The configuration and number of internal circuits are as described in the first embodiment, and therefore description thereof will not be repeated.
- the ground wirings 180-1, 1, 180-2, and 180-3 which are provided corresponding to the internal circuits 210, 220, and 230, respectively, are metal used as ground electrodes. It is electrically coupled with the coating 270. In this way, the respective internal circuits can be grounded by the ground wiring arranged in the horizontal direction without passing through the via hole provided through the insulating layer in the height direction. The parasitic inductance of the wiring can be suppressed.
- the pin terminals 202 are provided so as not to be in contact with the metal film 270 for grounding, the strengthening of the grounding of the internal circuit can be improved by using pins for inputting and outputting electric signals. It is possible to execute after securing the terminal.
- a mobile phone 500 provided with a multilayer board module according to Embodiment 4 of the present invention includes an antenna 5 10, a transmission circuit 5 12, a reception circuit 5 14, and a transmission / reception branching filter. Vessel 5 16.
- This mobile phone adopts the CDMA system, so that transmission and reception are performed by one amplifier. Performed simultaneously via Tena 510. Therefore, the transmission frequency is set to be different from the reception frequency, but here, the transmission frequency is set lower than the reception frequency. Therefore, the transmission / reception splitter 516 includes a band-pass filter that transmits only the transmission wave TX and a band-pass filter that transmits only the reception wave RX, and hardly transmits the transmission wave TX to the reception circuit 514 side.
- the receiving circuit 514 includes a low noise amplifier (LNA) 518, a band pass filter (BPF) 520, a 90 ° divider 402, a local oscillator 524, and an in-phase (0 °) divider. 404, a quadrature mixer 400, low-pass filters 532, 534, and a baseband circuit 536.
- LNA low noise amplifier
- BPF band pass filter
- 404 a quadrature mixer 400
- low-pass filters 532, 534 and a baseband circuit 536.
- the low noise amplifier 518 widens the reception wave RX (hereinafter, also referred to as a high frequency signal RF) transmitted through the transmission / reception splitter 516 at a high SN (Signal to Noise) ratio.
- the band-pass filter 520 removes unnecessary signals and adds only necessary high-frequency signals RF.
- the 90 ° distributor 402 generates a high-frequency signal RF I for the I-channel and a high-frequency signal RFQ for the Q-channel having a phase difference of 90 ° from each other, based on the high-frequency signal RF transmitted through the band-pass filter 520.
- Local oscillator 524 oscillates local oscillation signal LO.
- the frequency f 1 o of the local oscillation signal LO is half of the frequency f r f of the high-frequency signal RF.
- the 0 ° distributor 404 distributes the local oscillation signal LO from the local oscillator 524 to the first mixer 410 a and the second mixer 410 b constituting the quadrature mixer 400.
- the phases of the local oscillation signals LO applied to the first mixer 410a and the second mixer 410b are the same.
- the first mixer 41 0a provided for the I channel mixes the high-frequency signal RF I from the 90 ° distributor 402 with the local oscillation signal LO from the 0 ° distributor 404 to form the I channel baseband signal BB I And / or generate BBI.
- the first mixer 410a is of a differential type (balanced type), and the baseband signal ZBB I is 180 ° out of phase with the baseband signal BBI.
- the second mixer 410 b provided for the Q channel mixes the high frequency signal RFQ from the 90 ° distributor 402 with the local oscillation signal LO from the 0 ° distributor 404 to form the Q channel baseband signal BBQ And / or generate BBQ.
- This second The mixer is also a differential type (balanced type), and the baseband signal / BBQ is 180 ° out of phase with the baseband signal BBQ.
- the first mixer 410a and the second mixer 410b can form an orthogonal mixer 400 as a whole.
- the baseband circuit 540 receives the I-channel baseband signals BBI and BBI and the Q-channel baseband signals BBQ and / BBQ transmitted through the low-pass filters 532 and 534 and demodulates them into low-frequency (audio) signals. I do.
- a first mixer 410a includes a high-pass filter 552a for passing a low-frequency signal RFI, a single-pass filter 554a for passing a local oscillation signal LO, and a high-frequency It includes a diode pair 556a for mixing the signal RFI and the local oscillation signal LO, and a capacitor 558a connected between the diode pair 556a and the ground node 20.
- the first mixer 410a further includes inductors 560a and 562a and a resistor, which constitute a low-pass filter for transmitting the I-channel baseband signals BB I and BB I output at both ends of the diode pair 556a. Includes element 564a.
- First mixer 410a is grounded to ground node 20 by ground wiring 570a.
- the parasitic inductance of the ground wire 570a is represented by L g da.
- the second mixer 410b also has the same configuration as the first mixer 410a, and includes a high-pass finoleta 552b, a low-pass finoleta 554b, a diode pair 556b, a capacitor 558b, an inductor 560b, 562b, And the resistance element 564b.
- a ground wiring 570b is arranged for second mixer 410b, whereby second mixer 410b is electrically coupled to ground node 20 and grounded.
- the parasitic inductance of the ground wiring 570 b is represented by L g db.
- each mixer has the same circuit configuration.
- first mixer 410a and second mixer 410b are formed in multilayer substrate module 140 according to the embodiment of the present invention.
- Each of the components 552 a to 5 64 a and 552 b to 564 b of the first mixer 410 a and the second mixer 410 b described in FIG. 8 is a top surface or an insulating layer of the multilayer substrate module 140. Formed in 105.
- Ground wires 570a and 570b are separated, and ground wires 570a and 570b are electrically coupled to independent ground pin terminals 204a and 204b, respectively. In this way, by separating the ground wiring corresponding to each of the first mixer 410a and the second mixer 410b, it is possible to prevent the sneak of the ground current between the mixers and to reduce the deterioration of the quadrature accuracy. Can be prevented.
- first mixer 410a and second mixer 410b can be grounded via common node Ncmn by applying the configuration of the second embodiment.
- a common node N cmn for coupling the ground wirings 570a and 570b is provided in one of the insulating layers 105C of the plurality of insulating layers. Provided.
- the common node Ncmn is connected to the ground node 20 via the ground pin terminal 204.
- the portion of the ground wiring shared between the first mixer 410a and the second mixer 410b is limited between the common node N cmn and the ground node 20, so that the parasitic Inductance can be sufficiently suppressed. Further, by providing the common connection node N cmn in the lowermost insulating layer, the parasitic inductance can be suppressed. As a result, it is possible to prevent the orthogonal accuracy from deteriorating due to the sneak of ground current. ⁇
- the orthogonality between the two mixers is further improved.
- the first mixer 410a and the second mixer 410b are arranged symmetrically in the multilayer board module 140, the orthogonality between the two mixers is further improved.
- the ground wirings 570a and 570b are also arranged in the contact holes 575a and 575b provided in the same insulating layer, respectively. Furthermore, by making the shapes and cross-sectional areas of the ground wirings 570a and 570b the same, the parasitic inductances L gda and L gdb can be made the same, so that the first mixer 41 The orthogonal accuracy of 0a and the second mixer 4110b can be improved.
- the configuration in which the components of the first mixer and the second mixer and the ground wiring are provided symmetrically performs grounding via a common node N cmn as shown in FIG. 10. Also applicable to cases. Also in this case, via holes 5 7 5 a formed between first mixer 4 10 a and second mixer 4 10 b and insulating layer 10 5 C on which common node N cmn is formed are formed. And 575b are formed in the same shape, and the ground wires 570a and 570b arranged in these via holes are formed in the same shape and the same cross-sectional area, so that the ground wire of each mixer is The parasitic inductances L gda and L gdb can be set to the same value, and the orthogonal accuracy can be improved.
- low-noise amplifier 518 can apply, for example, the circuit configuration of high-frequency amplifier described in FIG.
- the low-noise amplifier 518 includes a field-effect transistor 310 and blocks 321 to 326 indicating a group of circuit elements arranged in the periphery.
- Input node IN receives high-frequency signal RF, which is the received wave
- the amplified signal output from the output node OUT is transmitted to the band-pass filter 520.
- FIG. 14 shows a configuration in which a field-effect transistor is used; however, a bipolar transistor can be used instead of the field-effect transistor. In this case, the base, collector and emitter of the bipolar transistor may be connected to the gate, source and drain of the field effect transistor.
- the low noise amplifier 518 is grounded by independent ground wires 585 g and 585 s.
- the ground wiring 585 s is provided corresponding to the source 313 of the field effect transistor 310.
- the ground wiring 585 g is provided corresponding to the gate 311 and the drain 312 of the field-effect transistor 310.
- the ground wires 585 s and 585 g are electrically connected to a plurality of independent ground pin terminals, respectively, according to the same configuration as the ground wires 570 a and 570 b shown in FIG. Configuration.
- the wiring for grounding the gate 311 and the wiring for grounding the source 313 can be separated. This prevents the source-to-drain current flowing into the channel of the field-effect transistor 310 due to the signal width from sneaking into the gate 311 to prevent the entire operation of the low-noise amplifier 518 from oscillating. be able to.
- the lowermost insulating layer of the multilayer board module follows the same configuration as the ground wirings 570a and 570b shown in FIG.
- the wiring connecting the gate 311 to the ground and the wiring connecting the source 312 to the ground Since the parasitic inductance value of the portion shared between the two components can be suppressed, the effect of stabilizing the operation of the low noise amplifier 518 can be obtained.
- the integrated circuit 590 is configured by connecting the integrated circuits 518a and 518b.
- metal electrodes 595 a and 595 b for ground provided on the back surface of each integrated circuit are also connected to each other to form a common metal electrode 595.
- a low noise amplifier 590 integrated into a single chip is mounted on the upper surface of the multilayer board module 140.
- the transistor elements are not connected to the back metal 595a and 595b, respectively.
- the ground wiring is provided directly between the corresponding ground pin terminal.
- a ground wire 585 1a is provided corresponding to the integrated circuit 518a.
- the ground wire 585—a corresponds to the ground wire 585g—a corresponding to the gate 311 of the transistor in the low noise amplifier and the source 313 Includes ground wiring 5 8 5 s—a.
- grounding line 585-b is provided corresponding to the integrated circuit 518b, and the grounding line 585-b is connected to the grounding lines 585g-b and 585s- Including. These ground wires are connected to the ground node 20 via the independent ground pin terminals 2044-1 to 201-4, respectively.
- the ground current flows around the gate 311a of the field effect transistor 310a in the integrated circuit 518.
- the oscillation phenomenon caused by the above can be prevented.
- the gate 311b of the field effect transistor 310b in the integrated circuit 518b it is necessary to prevent the ground current from flowing from other parts to prevent the oscillation phenomenon. Becomes possible.
- the multilayer substrate module according to the present invention can be applied to mounting of an internal circuit of a high-frequency portable wireless device such as a mobile phone.
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- Microelectronics & Electronic Packaging (AREA)
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- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
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Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00940884A EP1231825A4 (en) | 2000-06-29 | 2000-06-29 | MULTILAYER SUBSTRATE MODULE AND PORTABLE WIRELESS TERMINAL |
CNB008122342A CN1192695C (zh) | 2000-06-29 | 2000-06-29 | 多层基板模块及无线便携终端 |
JP2002505569A JP3792196B2 (ja) | 2000-06-29 | 2000-06-29 | 多層基板モジュールおよび無線端末装置 |
PCT/JP2000/004305 WO2002001931A1 (fr) | 2000-06-29 | 2000-06-29 | Module de substrat multicouche et terminal sans fil portable |
US10/048,500 US6906411B1 (en) | 2000-06-29 | 2000-06-29 | Multilayer substrate module and portable wireless terminal |
US11/108,638 US20050179136A1 (en) | 2000-06-29 | 2005-04-19 | Multi-layer substrate module and wireless terminal device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2000/004305 WO2002001931A1 (fr) | 2000-06-29 | 2000-06-29 | Module de substrat multicouche et terminal sans fil portable |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/108,638 Division US20050179136A1 (en) | 2000-06-29 | 2005-04-19 | Multi-layer substrate module and wireless terminal device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002001931A1 true WO2002001931A1 (fr) | 2002-01-03 |
Family
ID=11736200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/004305 WO2002001931A1 (fr) | 2000-06-29 | 2000-06-29 | Module de substrat multicouche et terminal sans fil portable |
Country Status (5)
Country | Link |
---|---|
US (2) | US6906411B1 (ja) |
EP (1) | EP1231825A4 (ja) |
JP (1) | JP3792196B2 (ja) |
CN (1) | CN1192695C (ja) |
WO (1) | WO2002001931A1 (ja) |
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JP2006253834A (ja) * | 2005-03-08 | 2006-09-21 | Kyocera Corp | 高周波モジュ−ル及びそれを搭載した無線通信装置 |
JP2006319512A (ja) * | 2005-05-11 | 2006-11-24 | Murata Mfg Co Ltd | 多層配線基板装置 |
JP2009089165A (ja) * | 2007-10-01 | 2009-04-23 | Murata Mfg Co Ltd | 高周波モジュール |
US7612634B2 (en) | 2006-03-31 | 2009-11-03 | Tdk Corporation | High frequency module utilizing a plurality of parallel signal paths |
US7965989B2 (en) | 2007-03-28 | 2011-06-21 | Tdk Corporation | High frequency module |
WO2016189951A1 (ja) * | 2015-05-26 | 2016-12-01 | 株式会社村田製作所 | フィルタ装置 |
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GB0212141D0 (en) * | 2002-05-27 | 2002-07-03 | Sendo Int Ltd | Audio ground plane |
US8467827B2 (en) * | 2005-03-31 | 2013-06-18 | Black Sand Technologies, Inc. | Techniques for partitioning radios in wireless communication systems |
DE102006017487A1 (de) | 2006-04-13 | 2007-10-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Integriertes Beschaltungsbauelement auf Halbleiterbasis zur Schaltentlastung, Spannungsbegrenzung bzw. Schwingungsdämpfung |
DE102006024458B4 (de) | 2006-05-24 | 2016-04-14 | Infineon Technologies Ag | Integrierte Mehrfachmischer-Schaltung |
DE102006024460B4 (de) | 2006-05-24 | 2016-08-04 | Infineon Technologies Ag | Vorrichtung und Verfahren zur Durchführung eines Tests |
DE102006024457B4 (de) | 2006-05-24 | 2014-06-05 | Infineon Technologies Ag | Integrierte Schaltung zum Senden und/oder Empfangen von Signalen |
US20080090079A1 (en) * | 2006-09-28 | 2008-04-17 | Fajardo Arnel M | High-resistivity magnetic film from nano-particle plating |
US20080157911A1 (en) * | 2006-12-29 | 2008-07-03 | Fajardo Arnel M | Soft magnetic layer for on-die inductively coupled wires with high electrical resistance |
US20080157910A1 (en) * | 2006-12-29 | 2008-07-03 | Park Chang-Min | Amorphous soft magnetic layer for on-die inductively coupled wires |
CN101315925A (zh) * | 2007-05-28 | 2008-12-03 | 松下电器产业株式会社 | 电子器件内置模块及其制造方法 |
CN102693017A (zh) * | 2011-03-22 | 2012-09-26 | 凌阳创新科技股份有限公司 | 无线光学鼠标中的无线传输模块 |
US8692728B2 (en) * | 2012-01-01 | 2014-04-08 | Qualcomm Incorporated | Method for an antenna ground plane extension |
EP2845455A4 (en) * | 2012-05-04 | 2015-08-05 | Sierra Wireless Inc | UICC CAPTURED IN A CIRCUIT BOARD OF A WIRELESS FINISHED DEVICE |
US9806407B2 (en) * | 2012-08-22 | 2017-10-31 | Honeywell International Inc. | Safety radio devices |
KR102017621B1 (ko) * | 2013-03-12 | 2019-10-21 | 주식회사 위츠 | 무선 충전용 코일 기판 및 이를 구비하는 전자 기기 |
JP2022154937A (ja) | 2021-03-30 | 2022-10-13 | 株式会社デンソー | 回路基板内に電気部品を内蔵する半導体装置 |
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- 2000-06-29 US US10/048,500 patent/US6906411B1/en not_active Expired - Fee Related
- 2000-06-29 EP EP00940884A patent/EP1231825A4/en not_active Withdrawn
- 2000-06-29 CN CNB008122342A patent/CN1192695C/zh not_active Expired - Fee Related
- 2000-06-29 JP JP2002505569A patent/JP3792196B2/ja not_active Expired - Fee Related
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006253834A (ja) * | 2005-03-08 | 2006-09-21 | Kyocera Corp | 高周波モジュ−ル及びそれを搭載した無線通信装置 |
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US7612634B2 (en) | 2006-03-31 | 2009-11-03 | Tdk Corporation | High frequency module utilizing a plurality of parallel signal paths |
US7965989B2 (en) | 2007-03-28 | 2011-06-21 | Tdk Corporation | High frequency module |
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Also Published As
Publication number | Publication date |
---|---|
US6906411B1 (en) | 2005-06-14 |
EP1231825A1 (en) | 2002-08-14 |
US20050179136A1 (en) | 2005-08-18 |
CN1371590A (zh) | 2002-09-25 |
CN1192695C (zh) | 2005-03-09 |
JP3792196B2 (ja) | 2006-07-05 |
EP1231825A4 (en) | 2005-09-28 |
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