This uses the LM324, a 14-pin DIL IC containing four individual op-amps and running off a single-rail power supply.Two sections of the quad op-amp form a triangle-wave generator, but now the third section is used as a low-gain amplifier, bringing the trough of the wave to just above zero volts and the peak to about 10v.source
PWM generator
PWM Control MkII
Catagory : PWM controller, PWM generator
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