This video game is another of the AY3 series with the AY3-3606 integrated circuit. The circuit was found in the September 1980 Radio Electronics magazine. The circuit does not include the input power.
This stage circuitry for amplifying microphone signals makes use of germanium transistors as indicated...
This transmitter emits signals in the FM range, reaching a few meters away. The modulation...
This circuit generates signals with precise intensities for oscilloscope calibration. The circuit,...