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More  Capacitance Touch Switches    Charge Pump Circuits

EXCITER CIRCUIT-12V TOUCH SWITCH


This circuit generates a 20KHz pseudo sine wave signal that can power approximately 50 remote touch activated switch circuits.  This hobby circuit can support a cable length of approximately 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   
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