Solar Voltage Doubler (CB20482E)

This circuit is intended for carrying out experiments with solar cells. The circuit is from a 1991 documentation.

Phase Shift Oscillator (CB20565E)
This low-frequency oscillator was found in a 1963 documentation. Capacitors determine frequency. The...
Improved common base stage (CB22222E)
The improvement we found in this stage on a common basis is the use of only one power supply. The...
Heating Element Control (CB25877E)
This triac circuit was found in the July 1995 Electronics Now magazine. The triac is based on the...