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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Voltmeter with FET (CB13657E)
This FET voltmeter is from an old 1974 amateur radio publication. The circuit can use MPF102 or...
Precedence Indicator 2 (CB12329E)
This indicator was found in a 1974 publication, but it can be fitted with the BC548 transistor or...
Monostable with Input Lock LM339 (CB19794E)
This circuit was found in the comparator's own documentation, serving others in the same series. The...