YN9101 general remote control receiving circuit (dual-tone multi-frequency signal receiving circuit)

Published:2011/7/21 4:02:00 Author:TaoXi | Keyword: general, remote control, receiving circuit, dual-tone, multi-frequency, signal receiving | From:SeekIC

The YN9101 is designed as one kind of dual-tone multi-frequency signal receiving circuit that also can be used in the general remote control receiving circuit. The internal circuit is composed of the dial tone filter circuit, the preamplifier circuit, the bandpass filter, the zero cross detector, the amplitude detector, the timing circuit, the clock generator circuit, the output decoding circuit and the output register.



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