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 90's Radio Electronics circuit uses uncommon integrated circuits today. The circuit is...
The integrated circuit used in this configuration of the 1990 Motorola Linear Databook is not...
This circuit, from an American publication of 1974, provides a 0.005% regulation with a variation of...