This circuit visually indicates that a high voltage is present in an outlet or other point. The neon lamp is common, and the appearance of the assembly is suggested in the same figure.
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...