Standard 1 MHz Oscillator (CB9653E)

We found this circuit in an old American documentation. Transistors can be modern equivalents.

Phase inverter (CB22232E)
Used in audio circuits in the excitation of output stages, this circuit provides audio signals with...
Push Pull Amplifier with 1 Transistor (CB20040E)
This interesting configuration uses two speakers as a load to have a push-pull excitation with...
Current-controlled oscillator (CB21648E)
This sweep generator or current-controlled oscillator was found in Popular Electronics from...