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More  Capacitance Touch Switches    Charge Pump Circuits

HIGH POWER TOUCH SWITCH EXCITER CIRCUIT
 

If you have hundreds of touch switches that need an excitation signal, then this circuit is what you need.  Its 20KHz 20v peak to peak output signal can supply up to 3 watts of touch switch excitation power.

Click on Drawing Below to view PDF version of Schematic

Circuit High Power Touch Switch Exciter designed by David A. Johnson, P.E. (Feb 11, 2002)

More  Capacitance Touch Switches   
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