Pulse-width modulator


Posted on Dec 12, 2012

if the timer is triggered with a continuous pulse train in the monostable mode of operation, the charge time of the capacitor can be varied by changing the control voltage at pin 3


Pulse-width modulator
Click here to download the full size of the above Circuit.

In this manner, the output pulse width can be modulated by applying a modulating signal that controls the threshold voltage.




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