This circuit detects when a powered circuit suffers a malfunction, lighting an LED. The supply voltage can be changed according to the monitored load.
This circuit was found in a 1968 RCA documentation. The circuit can be designed with operational...
This resistance meter with the CA3130 was found in an English publication from 1977. The circuit has...
This is the 1968 MR480 commercial cassette recorder circuit. The circuit was fully transistorized and...