Multiplication and sampling circuit (CB8865E)

This circuit was found in a 1968’s General Electric documentation. The circuit uses components from that time.

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Small radio ZN414 (CB22173E)
This MW bedside radio was found in an English documentation from 1989. It is based on a dedicated...
Power Cable Detector (CB11320E)
This simple circuit that senses energy cables (alternating current) through the field produced was found...
Changed Supply with the 7805 and 7806 (CB4641E)
In the figure we show a means of changing the output voltage of a fixed regulator, such as 7805 or...