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DiscoverCircuits.com  --   Dave's Circuits
Circuits designed by David Johnson, P.E.

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Last Updated on:  06/18/2009 04:39:18 AM

Capacitance Touch Switches    Charge Pump Circuits

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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.

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

Capacitance Touch Switches    Charge Pump Circuits

Master Schematic Category List - David A. Johnson, P.E.
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