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12V Touch Switch Exciter

This circuit is designed to generate a 20KHz pseudo sine wave signal that can power about 50 remote touch activated switch circuits.  It can support a cable length of about 2500 feet.  A typical remote switch circuit is also shown as well as a receiver circuit for those switches.

12V Touch Switch Exciter  Circuit Diagram



12V Touch Switch Exciter Circuit Diagram
Source: DiscoverCircuits

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