1-cycle-per-30-day oscillator (CB26073E)

This extremely slow circuit produces one pulse per month and can be used in a timer. We found it in the November 1998 Electronics Now magazine.

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Sound Operated Switch (CB23996E)
This circuit was found in the February 1970 issue of Radio Electronics magazine. The integrated circuit...
Two diodes power supply (CB4243E)
This is the traditional unregulated power supply configuration with full wave rectification. For currents...
1000 V pulses (CB6930E)
This circuit was found in an American publication from 1965. The circuit uses components from that...