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

Flame or Candle Effect (CB12658E)
This circuit was obtained in a 1978 publication, but it can be assembled with current components like...
Multitester (CB17090E)
This sensitive multi-circuit and component prover uses two transistors and has a switch position where...
Amplifier for Subwoofer (CB6989E)
Suggested by an old Popular Electronics, this circuit is based on an uncommon integrated today,...

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