Abstract:
Provided is a high-frequency circuit module that has high mounting density. In a high-frequency circuit module, an RFIC that performs transmission and reception processes for high-frequency signals, a power amplifier IC that amplifies a transmission signal from the RFIC, and a duplexer that separates a transmission signal outputted from the power amplifier IC to an antenna and a reception signal that is inputted from the antenna to the RFIC are formed on the top surface thereof. The duplexer is disposed between the RFIC and the power amplifier IC.
Abstract:
A multilayer circuit substrate includes: a first signal line and a first ground conductor formed in a first conductive layer; and a second signal line and a second ground conductor formed in a second conductive layer, the second conductive layer facing the first conductive layer via an insulating layer. The first signal line intersects with the second signal line in a plan view of the multilayer circuit substrate, and a space between the first ground conductor and first signal line is smaller in an intersection area of the first and second signal lines than a space in a non-intersection area, and a space between the second ground conductor and second signal line is smaller in the intersection area than a space in the non-intersection area.
Abstract:
There is provided a substrate with built-in component, including a metal core layer having a cavity for storing a component; a wiring layer that is laminated on the core layer and has a plurality of vias for an interlayer connection, the vias being formed at regions opposing to the cavity; and an electronic component including a plurality of terminals electrically connected to the plurality of vias, and a component body that is stored in the cavity and has a support surface for supporting the plurality of terminals, the plurality of terminals being disposed eccentrically from a center of the support surface to a first direction, and the component body being disposed eccentrically from a center of the cavity to a second direction opposite to the first direction.
Abstract:
A high-frequency circuit module having a high mounting density is provided. The high-frequency circuit module includes an RFIC configured to transmit and receive a high-frequency signal, a power amplifier IC configured to amplify a transmission signal output from the RFIC, and duplexers configured to separate the transmission signal output from the power amplifier IC and input to an antenna and a received signal from the antenna and input to the RFIC from each other, wherein at least one of the RFIC and power amplifier IC is embedded in the circuit board, and the duplexers are disposed between the RFIC and the power amplifier IC.
Abstract:
A circuit module includes: an RFIC that has a transceiver circuit for processing high-frequency signals related to mobile phone communication and a reception circuit for processing reception signals related to GPS, which is a satellite positioning system; GPS front end components; and mobile phone front end components. The mobile phone front end components are mounted on one main surface of a circuit substrate, and at least one of the GPS front end components (a second band-pass filter) is embedded in the circuit substrate.
Abstract:
There is provided a circuit module, including: a circuit substrate including a mount surface; a mounting component mounted on the mount surface; a sealing body that is formed on the mount surface, covers the mounting component, and includes a trench formed from a main surface of the sealing body toward the mount surface, the trench including a first trench portion extending in one of a parallel direction and an orthogonal direction with respect to a direction parallel to the main surface and a second trench portion that is connected to the first trench portion, is parallel to the main surface, and extends in a direction that is not parallel nor orthogonal to the first trench portion; and a shield that covers the sealing body and includes an inner shield portion formed inside the trench and an outer shield portion provided on the main surface and the inner shield portion.
Abstract:
The high frequency circuit module includes an RFIC configured to transmit and receive a high frequency signal, a power amplifier IC configured to amplify a transmission signal outputted from the RFIC, and a duplexers configured to separate the transmission signal outputted from the power amplifier IC and inputted to an antenna and a reception signal from the antenna and inputted to the RFIC from each other, in which at least one of the RFIC and power amplifier IC is embedded in the circuit substrate, and the duplexers are disposed between the RFIC and the power amplifier IC.
Abstract:
Provided is a high-frequency module that can prevent a transmission signal from reaching a reception circuit and that can achieve high mounting density. A first duplexer for a first frequency band is mounted on a circuit substrate, and a second transmission filter and a second reception filter that constitute a second duplexer for a second frequency band are embedded in the circuit substrate. The second transmission filter and the second reception filter are embedded in the circuit substrate in locations that overlap at least a part of a projection region that is formed by projecting the first duplexer in a thickness direction of the circuit substrate. The first frequency band and the second frequency band are separated from each other by at least a prescribed frequency range.
Abstract:
A high-frequency circuit module having a high mounting density is provided. The high-frequency circuit module includes an RFIC configured to transmit and receive a high-frequency signal, a power amplifier IC configured to amplify a transmission signal output from the RFIC, and duplexers configured to separate the transmission signal output from the power amplifier IC and input to an antenna and a received signal from the antenna and input to the RFIC from each other, wherein at least one of the RFIC and power amplifier IC is embedded in the circuit board, and the duplexers are disposed between the RFIC and the power amplifier IC.
Abstract:
Provided is a high-frequency module that can prevent a transmission signal from reaching a reception circuit and that can achieve high mounting density. A first duplexer for a first frequency band is mounted on a circuit substrate, and a second transmission filter and a second reception filter that constitute a second duplexer for a second frequency band are embedded in the circuit substrate. The second transmission filter and the second reception filter are embedded in the circuit substrate in locations that overlap at least a part of a projection region that is formed by projecting the first duplexer in a thickness direction of the circuit substrate. The first frequency band and the second frequency band are separated from each other by at least a prescribed frequency range.