The FM intermediate frequency amplifier integrated circuit

Published:2011/7/15 20:45:00 Author:Borg | Keyword: intermediate frequency amplifier, integrated circuit | From:SeekIC

AN278 is a FM intermediate frequency amplifier integrated circuit produced by Panasonic, which is used in domestic stereos and FM radios as the FM intermediate frequency amplifier.1. the internal circuit and pin functions of AN278The features of AN278 are that the LEV fault of the internal amplitude limiter is low, the symmetry is good; the 2nd and 3rd is coupled directly, and they can also connected with pottery filter: when the PLL circuit is working, the limiter can offer enough LEV; it can be connected with the tune indicating circuit, etc. AN278 is in single 9-pin in-line package.



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