10-Step Sine Generator (CB24472E)

This CMOS generator with the 4018 IC was found in a November 1976 Radio Electronics magazine. It uses a 741 op-amp as the audio amplifier.

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High Power Sequential (CB17456E)
This circuit was obtained in a 1999 documentation and makes use of common components. The circuit...
Flying Saucer Sound (CB16274E)
We do not know exactly what sound a flying saucer makes, or if it makes a sound! But this is not...
Tone generator for CW (CB23593E)
This oscillator for telegraphy practice was published in Radio Electronics magazine in March 1958....