This circuit was found in a Popular Electronics from the 90s. The circuit has temperature compensation. Coil and capacitors depend on the frequency at which the circuit will be used.
This circuit was found in a documentation from the 90's. Power is included, and the regulating...
We find this circuit in the 80s used integrated circuit manual itself. The integrated circuit is not...
This sweep generator or current-controlled oscillator was found in Popular Electronics from...