发明名称 HIGH-FREQUENCY CIRCUIT, HIGH-FREQUENCY DEVICE, AND COMMUNICATION APPARATUS
摘要 A high-frequency circuit comprising a switch circuit connected to an antenna terminal, first and second diplexer circuits connected to the switch circuit, first and second power amplifier circuits connected to the first diplexer circuit, first and second bandpass filter circuits connected to the first and second power amplifier circuits, a third bandpass filter circuit connected to the second diplexer circuit, a detection circuit disposed between the switch circuit and the first diplexer circuit, and a low-noise amplifier circuit disposed between the switch circuit and the second diplexer circuit.
申请公布号 US2008166980(A1) 申请公布日期 2008.07.10
申请号 US20070738975 申请日期 2007.04.23
申请人 HITACHI METALS, LTD. 发明人 FUKAMACHI KEISUKE;KEMMOCHI SHIGERU;SATAKE HIROTAKA
分类号 H04B1/44 主分类号 H04B1/44
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