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#105
Автор: w2aew
Загружено: 2013-08-15
Просмотров: 170776
Описание:
A comment posted on my previous video on the adjustable sawtooth/triangle waveform generator circuit, asked how to generate a sawtooth waveform with just NPN and PNP transistors. There are a lot of ways to do this, and this video shows a very simple example. It uses a current source to charge capacitor to create the ramp, and then pair of transistors hooked up in a regenerative fashion (positive feedback) is used to quickly reset the capacitor voltage.
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