Category Archives: Oscillators

LM139 One Shot Multivibrator/Timer

Posted on October 24, 2011 by Rust

One shot multivibrator circuit is also known as monostable multivibrator or timer. The function of such circuit is simply produce a pulse strobe with a fixed width, regardless of the pulse width of the triggering input.  Below is the circuit’s … Continue reading →

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Triangle Waveform Signal Generator

Posted on September 25, 2011 by Rust

A symmetrical, 10 mV peak to peak triangle waveform can be generated by the circuit depicted in the following schematic diagram. This circuit is featured with alternative DC biased output which can be used to feed an ADC.  The DC … Continue reading →

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Automatic Headlight Dimmer, Safe Yourself and Others

Posted on June 23, 2011 by Rend

This schematic diagram shows an automatic headlight dimmer circuit for your car’s headlight, keep you safe in the dark with maximum bright for farthest visibility, but will automatically switch from high to low  beam when traffic approach to save others … Continue reading →

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