0V to 50 Volt Variable Regulator


A very simple variable
power supply circuit can be made using this electronic circuit diagram
.This variable regulator circuit will provide an variable regulated
output voltage , between 0 and 50 volts . The CA3140 operational
amplifier compares the regulator output to a reference voltage , that
depends on the R9 value.

0V to 50 Volt Variable Regulator Circuit

0V to 50 Volt Variable Regulator Circuit

The output voltage will be nominally twice the voltage between the
positive input ( noninverting ) of the CA3140 and ground . The
unregulated input voltage must be around 60 volts The output voltage can
be set between 0 an 50 volts using R9 potentiometer .The 2N3055
transistors must be mounted on a heatsink , to prevent the overheating
of transistors .


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