Low Voltage Control (CB21155E) This low voltage power control was found in a Popular Electronics from the 90's. The MOSFET can be almost any type depending on the load current. It must have a heat sink. a hre

High Voltage Inverter (CB20059E)
This circuit provides a high voltage for supplying tube or other circuits from a 12 V battery. The...
110 V to 12 VDC Converter (CB8674E)
Found in an EEE from 1970, this circuit supplies a voltage of 12 V DC x 10 mA current from the...
VCO (CB11518E)
This VCO or Voltage Controlled Oscillator was found in a Popular Electronics from 1991 but can be...

Low Voltage Control (﻿CB21155E) This low voltage power control was found in a Popular Electronics from the 90's. The MOSFET can be almost any type depending on the load current. It must have a heat sink. a hre