Voltage controlled ramp generator

Posted on Feb 10, 2013

The current source formed by Ql in conjunction with capacitor Cl set the duration time of the ramp. As the positive dc voltage at the gate is changed, the peak point firing voltage of the PUT is changed, which changes the duration time.

Voltage controlled ramp generator
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i.e., increasing the supply voltage increases the peak point firing voltage causing the duration time to increase.

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