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Circuits designed by David Johnson, P.E.
Last Updated on: Friday, December 29, 2017 02:53 AM


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Charge Pump Circuits
 
Circuits Designed by Dave Johnson, P.E. :

12v Touch Switch Exciter Circuit

200Mhz-400Mhz Voltage Controlled Oscillator (VCO)

300v Peak to Peak Signal Generator

Audio Frequency Digital Noise Generator

Charge Pump Efficiently Divides Supply Voltage 

CMOS Inverter 125khz LC Oscillator

CMOS Nand Gate Forms Gated 125Khz Oscillator

High Power Touch Switch Exciter Circuit

Medium Power 125khz Oscillator

Medium Power 125khz Oscillator #2

Micro Power Over-Temperature Alarm

Square Wave Driver Has Flexible Outputs

Ultra Pure 125kHz Sine Wave Signal Source

Very Low Power Astable Multivibrator

Very Low Power Gated Crystal Oscillator

+5v Powered Charge Pump Battery Charger        C/charge.htm

1 Watt Fluorescent Lamp Night Light

125Khz LC Oscillator

125Khz Oscillator from CMOS Inverters


 

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Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches


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