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Help Please: Pulse-time Modulation

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yousif

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pulse time modulation

Using a sawtooth signal to generate pulse width modulated signal
where we compare the sawtooth with the input analog signal
if the sawtooth > signal then comparator output = 1 state
if < then comparator output = 0 state
So the comparator output pulse duration depends on the signal sample level

Question:
What the minimum sawtooth siganl peak amplitude to do that job?
 

Davood Amerion

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It is equal to maximum of input analog (feedback)voltage.
 

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