This 80's circuit uses a germanium transistor like the AC121. The circuit has an output transformer of the type found on many transistor radios of the time.
This circuit was found in a Texas Instruments’ publication. The circuit must be powered from dual...
This circuit was obtained from an American publication of 1982, but can be easily assembled today...
This oscillator generates a sinusoidal tone of 1750 Hz determined by the twin-T. The circuit can be...