Found in Motorola documentation from the 1970s, the circuit presented uses a component from the era that is not common today. The characteristics of the coils are given next to the diagram.
The circuit is from an 80's publication, but the components are current, only special type diodes...
This circuit was found in a 1965 Electronic Design. Transistor Q2 must be load dependent. The circuit...
This circuit was obtained from an 80's amateur radio documentation. The integrated circuit is a...