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Kerry D. Wong

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Tag: LM358

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Visualizing Comparator and Op Amp Hysteresis

November 25, 2014 kwong

Hysteresis can be added to a comparator circuit to improve its stability, especially when the input signal is noisy. In […]

Electronics Comparator, Hysteresis, LM358, LM393, LMC662, NE5532, Op Amp

An Isolated DAC Using PWM Output

October 1, 2013 kwong

Arduino‘s (ATmega328P) PWM outputs via analogWrite can be conveniently turned into analog voltage levels through the use of simple RC […]

AVR/Arduino, Electronics 4N35, Arduino, Atmega328P, DAC, LM358, Opto-Isolator, PWM

Building a Sweep Generator for BK 4011

April 18, 2013 kwong

I did a teardown of a BK Precision 4011 5MHz function generator a few weeks ago. Like most of basic […]

AVR/Arduino Atmega328P, DAC0800, Function Generator, LM358, MAX889, Sweep Generator

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