This an old commercial receiver found in a year 1958 magazine. The circuit uses some transformer available that timer and the transistors are germanium types. The circuit is intended to receive MW stations.
This simple rhythmic light circuit uses a 110 V to 220 V transformer and can hold a good number of...
This circuit was found in a 1980s Intersil documentation. The integrated circuit used is not...
This circuit was found in a 90’s Electronic Engineering. The integrated circuits are of the time...