| 摘要 |
Disclosed is an apparatus for commonly using an antenna for a call signal and a television (TV) broadcasting signal in a radio communication terminal including a phone duplexer, a TV tuner, a single antenna for commonly receiving the call signal and the TV broadcasting signal, a phone LC resonance section, provided on a front end of the phone duplexer, for forming an LC resonance circuit for a call signal frequency band, a TV LC resonance section, provided on a front end of the TV tuner, for forming an LC resonance circuit for a TV broadcasting signal frequency band, and a switching section for connecting the antenna to the phone LC resonance section or to the TV LC resonance section in accordance with a switching control signal provided according to a TV or call operating mode.
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