This amplifier with gains between 5 and 100 was found in the May 1988 issue of Radio Electronics magazine. The circuit requires a symmetrical power supply.
This is a basic and operational voltage comparator circuit. The circuit has voltages determined by the...
This immobilizer circuit for vehicles was found in a 80’s Hands On Electronics. The circuit...
This sensitive 4-transistor signal follower can be used in both audio and RF circuits. P1 is a...