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

Optical communication transmitter (CB7849E)
This circuit was found in a 90s American documentation. The circuit uses an LED that can be of a...
Damped Oscillator (NI012E)
Damped sine oscillations can be produced when short pulses are applied to the input of this...
50 W amplifier TDA1514A (CB15371E)
We found this circuit in the Philips integrated circuits manual of 1990. The circuit must 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