JP2007228021A5 - - Google Patents

Claims (8)

1st and 2nd antenna terminal, 1st communication system transmission terminal, 1st communication system reception terminal, 2nd communication system transmission terminal, 2nd communication system reception terminal, 3rd communication system use A high-frequency circuit component having a transmission / reception terminal of
A first switch circuit for switching a connection between the first antenna terminal and any one of the transmission terminal for the first communication system, the reception terminal for the first communication system, or the transmission / reception terminal for the third communication system; A second switching circuit for switching a connection between the transmission terminal for the second communication system or the reception terminal for the second communication system and the second antenna terminal,
A first bandpass filter circuit provided between the first switch circuit and the first antenna terminal; a second bandpass filter circuit provided between the second switch circuit and the second antenna terminal; A bandpass filter circuit;
A first high-frequency amplifier circuit provided between the first switch circuit and the transmission terminal for the first communication system, and between the second switch circuit and the transmission terminal for the second communication system. A second high-frequency amplifier circuit provided;
A high-frequency circuit component comprising: a third band-pass filter circuit provided between the first high-frequency amplifier circuit and a transmission terminal for the first communication system. 2. The high-frequency circuit component according to claim 1, wherein the first switch circuit is configured by combining two switch circuits. 3. The high-frequency circuit component according to claim 1, wherein the second band-pass filter circuit is a combination of a high-pass filter circuit and a low-pass filter circuit. The drive power supply terminal for the first high-frequency amplifier circuit and the drive power supply terminal for the second high-frequency amplifier circuit are provided as one drive power supply terminal. A high-frequency circuit component according to any one of the above. A power supply terminal for driving the detection circuit for the first high frequency amplifier circuit and a power supply terminal for driving the detection circuit for the second high frequency amplifier circuit are provided. The high frequency circuit component in any one of Claims 1-4. At least one inductance element and / or capacitance element constituted by an electrode pattern of the conductive material in a laminated body in which ceramic dielectric material and conductive material are laminated and integrated, and at least one semiconductor element mounted on the laminated body The high-frequency circuit component according to claim 1, wherein the high-frequency circuit component is formed using A high-frequency circuit component that is connected to an antenna terminal and has a transmission terminal and a reception terminal of a plurality of communication systems, and is configured in a laminated body in which a ceramic dielectric material and a conductive material are laminated and integrated,
A high-frequency circuit component, wherein the transmission terminal electrodes and the reception terminal electrodes of the plurality of communication systems are all disposed on one side of the back surface of the laminate. Communication apparatus characterized by employing a high-frequency circuit component according to any one of claims 1-7.