μPCI473H/HA (video recorder and TV set) infrared remote control receiving preamplifier circuit

Published:2011/7/21 3:21:00 Author:TaoXi | Keyword: video recorder, TV set, infrared, remote control, receiving, preamplifier circuit | From:SeekIC

The μPCI473H/HA is designed as one kind of infrared remote control receiving preamplifier bipolar type analog circuit, and it can be used in the video recorder and TV set applications. The internal circuit is composed of the receiving preamplifier circuit, the automatic level control (ABLC) circuit, the amplitude limiting and level compensation, bias, peak value detection and pulse shaping circuit. The μPCI473H and μPCI473HA have the different shape structure. Features The high sensitivity, wide dynamic range and strong anti-interference performance.The automatic level control (ABLC) circuit can be used to control the gain of the preamplifier circuit. The 8-pin DIP plastic package.



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