发明名称 RECEIVING APPARATUS
摘要 A receiving apparatus comprising: a frequency conversion unit configured to convert a received radio frequency signal to an intermediate frequency signal; an automatic gain control unit configured to control an amplitude level of at least either one of the radio frequency signal and the intermediate frequency signal according to a gain control signal; a demodulation unit configured to demodulate an audio signal from the intermediate frequency signal; a correction level output unit configured to output a correction level signal corresponding to a difference between a demodulation unit input level and a predetermined reference level, the demodulation unit input level being an amplitude level of the intermediate frequency signal inputted to the demodulation unit; and an addition unit configured to add the gain control signal and the correction level signal, to be outputted as a signal strength signal indicating received signal strength of the radio frequency signal.
申请公布号 US2010284541(A1) 申请公布日期 2010.11.11
申请号 US20100773066 申请日期 2010.05.04
申请人 SANYO ELECTRIC CO., LTD.;SANYO SEMICONDUCTOR CO., LTD. 发明人 TAIRA MASAAKI
分类号 H03G9/00;H04R5/00 主分类号 H03G9/00
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