1X0773CE ( video ) infrared remote control transmitter circuit

Published:2011/8/31 1:41:00 Author:Jessie | Keyword: infrared, remote control transmitter | From:SeekIC

IX0773CE is infrared remote control transmitter circuit, whichissuitable for video, etc. The Internal circuit is composedof theoscillator, scanning, signal generator, data controller, modulation circuit, memory circuits, keyboard input circuit and coding circuit, etc. Technical features: it usesCMOS integrated circuit withlow power consumption; it has four inputs and eight outputs, which can form 4X8 keyboard matrix with 32 kinds of control functions; Oscillating circuit and 455kHz crystal cangenerate 38kHz timing signal; it can prevent multiple keys frompressing at same timeand causing misoperation; it uses 20-pin DIP.



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