This is the typical circuit of a local oscillator for a superheterodyne FM receiver. The circuit was found in a 1980s documentation and is typical of early and early receivers.
This circuit was found in the used integrated circuit manufacturer's manual. The table beside the...
This circuit makes use of germanium transistor, but can be mounted with a silicon transistor like...
This circuit is intended to indicate the operation of transmitters with powers above 5 W. The...