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LJA7225 (Video recorder and TV set) infrared remote control

2016-09-10 21:48  
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LJA7225 (Video recorder and TV set) infrared remote control receiving preamplifier circuit
LJA7225 (Video recorder and TV set) infrared remote control receiving preamplifier circuit
The LJA7225 is designed as the infrared remote control receiving preamplifier circuit that can be used in the video recorder and TV set applications. The internal circuit is composed of the preamplifier circuit, the automatic bias level control circuit (ABLC), the amplitude limiting circuit, the peak value wave detection circuit, the waveform plastic circuit. Features It has the priority control circuit, so it can amplify the infrared remote control receiving signal and the operation code.It is in the 9-pin single row DIP plastic package.