5W Amplifier with LM383 (CB25309E)

This circuit for the car was found in the April 1990 Radio Electronics magazine. The speaker is 4-ohms.

Microtransmitter (CB23575E)
This VHF transmitter was found in Radio Electronics magazine from June 1964. The transistor is an...
Relaxation Oscillator Using PUT (MSB075E)
This is a simulation of a Relaxation Oscillator using a programmable unijunction transistor (PUT). The...
SCR photo control (CB8276E)
This circuit is from a 1968 Electronics World. It acts directly on a high voltage alternating...