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KA2181 (TV and video recoder) infrared remote control receiv

2016-09-13 15:36  
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KA2181 (TV and video recoder) infrared remote control receiving preamplifier circuit
KA2181 (TV and video recoder) infrared remote control receiving preamplifier circuit
The KA2181 is designed as the infrared remote control receiving preamplifier circuit that can be used in the TV and video recoder applications. The internal circuit is composed of the automatic bias level control circuit (ABLC), the preamplifier circuit, the peak value detector, the amplitude limiting amplifier and level compensation circuit, the biasing circuit and the waveform plastic circuit. Features High sensitivity, wide dynamic range, good anti-interference performance.The external resistances and capacitances of pin-6 are the feedback components.The LC resonant circuit is composed of the medium frequency transformer and the capacitance.The 8-pin single row DIP package.The matching models are KS5803A or the KS5803B.