Voltage controlled ramp generator   

Category:
Volt Controlled Oscillator Circuits
Added 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  - schematic

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




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