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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Light cut detector (CB8325E)
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Unijunction modulated oscillator (CB8653E)
This circuit can be found elsewhere on this site as part of alarms or sirens. The circuit given is...
Nicad Charger (CB13544E)
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