Electronics >> Schematics Depot >> Power >> voltage doubler

voltage doubler:

U1NE555 timer IC
R12.2k ohm resistor
R215k ohm resistor
C10.01 uF ceramic capacitor
C2, C3220 uF electrolytic capacitor
C4470 uF electrolytic capacitor
D1, D21N4002 diode

all resistors are 5 or 10 percent tolerance, 1/4-watt
all capacitors are 10 percent tolerance
this circuit rougly doubles the voltage of the input, however the current output is low. doubled output is at 'V source.'
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