The typical application circuit diagram of LA1185 IC

Published:2011/5/5 1:28:00 Author:Ecco | Keyword: typical application circuit, IC | From:SeekIC

The typical application circuit diagram of LA1185 IC is shown as the chart. Tip: FM radio signal passes band-pass filter composed of C1, L1, C2, and the signal without FM band is filtered and then coupled by C3, then it is added LA1185 ① feet, it is amplified and added to the mixer oscillator circuit, and it will be made vibration signal mix with the local signal sent by the local oscillator circuit, the resulting difference frequency signal is output from ⑥ feet, and the filter composed of B1 will select 10.7MHz IF signal and send it to later level circuit to do further treatment.



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