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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15W MOSFET Amplifier (CB1000E)
With a 22 V symmetrical power supply this amplifier provides 15 W of output power with excellent...
5 Voltage Level Indicator (CB4892E)
This circuit is based on an uncommon Texas component today, as found in an American 1980s...
741 VCO (CB24052E)
This voltage-controlled oscillator or VCO was found in a Radio Electronics magazine from July...