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Hobby Circuits designed by Dave Johnson

Last Updated on: Tuesday, October 24, 2017 03:04 PM

List of Dave's Circuit Designs

Text & Graphics Copyright David A. Johnson, PE  --  ALL Rights Reserved.
LINKING to Dave's circuits is permitted but DO NOT COPY CONTENT to your WEB SITE server!

 Square Wave Oscillator Circuits
Circuits Designed by David Johnson, P.E. :

ELC signal between 200Mhz-400Mhz

Flexible Outputs from Square Wave Driver

Gated 125Khz Oscillator

Highly Stable Lower Power Oscillator

LC Oscillator Medium Power 125Khz

Low Power 100khz Light Receiver

Medium Power 125khz Oscillator

Medium Power 125khz Oscillator #2

Micro Power 40Khz Burst Laser Diode Driver

Micro Power Over-Temperature Alarm

Micropower CMOS Oscillator, Draws Only 0.5ua

Over-Temperature Micro-Power Alarm

Parallel LC Oscillator with CMOS Inverter 

Precision Ultra Lower Power Oscillator

Ten-Second Ultra Lower Power Oscillator

Ultra Lower Power Oscillator

VCO from CMOS Schmitt Trigger IC

Very Low Power Astable Multivibrator

Very Low Voltage Oscillator Circuit
10 Second Ultra Lower Power Oscillator

100Khz Low Power Light Receiver

125Khz LC Oscillator

125KHZ Medium Power Oscillator

125Khz Oscillator from CMOS Inverters

125khz Oscillator with Medium Power

200Mhz-400Mhz Voltage Controlled Oscillator (VCO)

40Khz Burst Laser Diode Driver

Astable Multivibrator with Very Low Power

CMOS Inverter 125khz LC Oscillator

CMOS Inverter forms a Resonant LD Oscillator 

CMOS Inverter Parallel LC Oscillator

CMOS Inverters Form 125Khz Oscillator

CMOS Nand Gate Forms Gated 125Khz Oscillator

CMOS Oscillator, Draws Only 0.5ua

CMOS Schmitt Trigger IC Makes VCO


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  David A. Johnson, P.E. about these circuits



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