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

Master Category List - Dave's Circuits
Last Updated on: Monday, April 21, 2008 04:18 AM


Voltage Controlled Oscillators (VCO)
 
40KHz Voltage to Frequency Converter
This circuit was designed to frequency modulate a 40KHz carrier, using human voice frequencies.  A common flip/flop is used at the core of the circuit.

Click on Drawing Below to view PDF version of Schematic

VCO for Voice Audio FM designed by David Johnson, P.E. (Dec 12, 2004)

Voltage Controlled Oscillators (VCO)
Master Schematic Category List - David A. Johnson, P.E.
 

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