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.
We found this relaxation oscillator in a 1967 General Electric documentation. The frequency is given...
This circuit was found in the September 1984 issue of Radio Electronics magazine. The circuit has...
Although the BD135 transistor is not specifically for RF applications, some of them can easily...