MN6930B（VCR）infrared remote control transmitter circuit

Published:2011/7/17 8:56:00 Author:Christina | Keyword: VCR, infrared, remote control, transmitter circuit | From:SeekIC

The MN6930B is designed as one kind of infrared remote control transmitter large scale integrated circuit, and it can be used in the VCR. The internal circuit is composed of the oscillating circuit, the keyboard input circuit, the 11-bit self-locking shift register, the clock circuit, the infrared wave-carrier modulator and the pulse oscillator. Features The CMOS technology.The recommend power supply voltage is 3V.The 8X6 keyboard matrix is composed of 8 type-in ports and 6 type-out ports.The crystal oscillator is connected between the input port and the output port of the internal oscillator to produce the benchmark signal (the frequency is 420kHz).The 22-pin dual-row DIP package.The matching models are M50110P/AP/BP/CP.



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