Circuit - 12V TOUCH SWITCH EXCITER CIRCUIT - Circuits designed by David A. Johnson, P.E.


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Circuits designed by David Johnson, P.E.

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Last Updated on: Friday, August 29, 2008 02:34 PM

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

Capacitance Touch Switches Charge Pump Circuits

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