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Interface circuit of remote control transmitter

Source: InternetPublisher:睡不醒的小壮 Keywords: Power supply other power circuits Updated: 2021/12/28

Interface circuit of remote control transmitter

 

Shown here are several possible interface circuits that can be used with remote control transmitters. A typical FM stereo multiplexer is illustrated in A, which is used with a load connected directly to the open output of a TA7343 PLL. The circuit in B illustrates an optically isolated output. This opto-isolated output drives a 12V relay coil through a general purpose transistor.

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