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

Pulsed CMOS Oscillator (CB413)
This circuit generates trains of pulses in regular intervals determined by R1 and C1. The...
3-Transistor MW Radio (CB19181E)
The first transistor can be the BF494 and the other BC548 on this MW radio found in a...
Infrared Transmitter (CB12199E)
We found this circuit in a Popular Electronics from 1992. It modulates an infrared LED with a...

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