We found this circuit in a 90s Radio Electronics. The circuit generates frequency-modulated 220 kHz signals. The components used are still common.
This circuit is from the 1971 Motorola SCR Power Control Fundamentals. The circuit can be made...
In the figure we show another configuration for a crystal-controlled overtone oscillator using a...
This circuit was found in the 1990 Motorola Linear Databook and can use almost any operational...