This circuit was found in a 1965 US documentation. The circuit converts a DC signal to a 400 Hz AC signal. Transformer data was not provided.
This circuit was found in an old Popular Electronics. With it we can check the operation of a...
This very low current circuit with the ICM7860 was found in the April 1995 Electronics Now...
This circuit was found in an American 80's documentation. The transistor is of germanium of the...