Signal receiving and transmitting circuit
作者： Wang Jinming , Wang Chen , Fan Jiancheng
DOI:
关键词: Insertion loss 、 Duplexer 、 Communications system 、 Electrical engineering 、 Leakage (electronics) 、 Electrostatic discharge 、 Amplifier 、 Radio frequency 、 Computer science
摘要: The embodiment of the invention provides a signal receiving and transmitting circuit, which is used for solving problem that link loss path increased system noise ofa communication due to an LNA protection circuit in existing system. comprises path, pathand duplexer. from duplexer; tolerant amplifier amplifying received included; fact tolerableamplifier can bear electrostatic discharge (ESD) signals or radio frequency leakage under condition no protective exists, tolerable not arranged any more, switch isolation reduced, purpose reducing total insertion achieved.
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