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Last Updated on: Friday, November 17, 2017 06:33 AM

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More  Capacitance Touch Switches    Charge Pump Circuits

12V TOUCH SWITCH EXCITER CIRCUIT


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.

Click on Drawing Below to view PDF version of Schematic

Circuit 12V Touch Switch Exciter Circuit designed by David Johnson, P.E. (feb 10, 2002)


More  Capacitance Touch Switches    Charge Pump Circuits

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