This reguator circuit is
designed for general purpose use. Advantages of the circuit are first
the voltage can be adjusted from 0V to greater and second it does not
require a double sided secondary winding transformer. For high voltage outputs you can use L146 or alternatively if you need lower voltage outputs you can use IC 723.
 |
| L146 Variable Voltage Regulator Circuit |
Regulation voltage for both integrated circuit is at least 2V. R3, R4, R5 and R6 resistors prevent this limitation and keep the output voltage at 0 level with the help of P2 potentiometer. If the input voltage is less than required, this resistors provides sufficient potential between 4 and 5 numbered pins.
