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

List of Dave's Circuit Designs

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



Oscillator Circuits

CMOS Inverter 125khz LC Oscillator

CMOS Inverter Parallel LC Oscillator

CMOS Nand Gate Forms Gated 125Khz Oscillator

CMOS Schmitt Trigger IC Makes VCO

Crystal Controlled 1KHz Signal Generator

Low Battery Voltage Flasher

Low Frequency Oscillator draws only 2 Nanoamps

Low Power 100khz Light Receiver

Medium Power 125khz Oscillator

Medium Power 125khz Oscillator #2

Micro Power 40Khz Burst Laser Diode Driver

Micropower CMOS Oscillator, Draws Only 0.5ua

Precision Ultra Lower Power Oscillator

Ten-Second Ultra Lower Power Oscillator

Ultra Low Current Oscillator

Ultra Low Current Oscillator #4

Ultra Low Power Astable Multivibrator

Ultra Lower Power Oscillator

Ultra Pure 125kHz Sine Wave Signal Source

Very Low Power Astable Multivibrator

Very Low Power Gated Crystal Oscillator

10 Second Ultra Lower Power Oscillator

125Khz LC Oscillator       

125Khz Oscillator from CMOS Inverters

175Khz Inductive Pulse Receiver

200Mhz-400Mhz Voltage Controlled Oscillator (VCO)

240VAC to 5VDC Power Supply

3 Volt Low Battery Voltage Flasher

32Khz Ultra Low Power Crystal Oscillator

3v 2hz Oscillator

40Khz LED Test Signal Generator

40Khz Voltage to Frequency Converter

AIR Transparency Monitor, Xenon Flash Receiver

AIR Transparency Monitor-Pg2

Button Battery Cell Internal Resistance Measurement

Dave's Circuits by Category
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