The circuit shown is from Motorola's 1990 Linear Databook. Shaded components are optional. The characteristics of the coils are given next to the diagram.
We found this circuit in a 90's European schematic. The circuit can be implemented with almost any...
This circuit appears several times on our website and in this section, for various purposes and minor...
Among other things, this oscillator is suitable for practicing Morse code. The circuit is from a...