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.
The original design of this circuit is from a 1978 publication. The circuit can be implemented with a...
This power supply was found in the December 1970 issue of Radio Electronics magazine. The...
This high input impedance circuit is suggested by Motorola's 1993 Linear Interface ICs. The power...