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 filter was found in the May 1989 issue of Radio Electronics magazine. The power supply must...
Depending on the key pressed, this oscillator produces a different tone, set in the corresponding...
The 1 kHz Wien bridge oscillator presented was found in the 1993 Linear Technology Applications. The...