Voltage Doubler, Two-Diode



Circuit Diagram

Circuit Diagram of a simple voltage doubler

Parts list

How a Two-Diode Voltage Doubler Works

The above two voltage doubler circuits uses minimum components to approximately multiply the AC voltage (Vin) across the input terminals. The resulting output voltage is DC (Direct Current). The voltage rating of the diodes and capacitors used should be within safe level, preferably, double the value of the input voltage. The higher the capacitance values of the the two capacitors, the smoother (non-fluctuating) the resulting DC voltage.

 

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