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

Voltage controlled oscillator (CB20605E)
This VCO makes use of components from the 1980s. The circuit can be implemented with modern...
() CB15597E 2.8 W Stereo Amplifier
The amplifier shown shown is based on the MAX9715 integrated circuit from Maxim (www.maxim-ic.com) providing an...
Loudspeaker Overload Detector (CB384E)
This old configuration, using a unijunction transistor (UJT) controls a LED than blinks if an...

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