12V x 700mA Regulator (CB8807E)

This small regulator was found in a Motorola 1968’s documentation. It is a current regulator using transistors of the time.

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Capacitance meter 10 to 1 000 uF (CB18929E)
This capacimeter was obtained in European documentation from the 1980s. The indicator instrument, a...
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This circuit for the logic control of the 555 in a power supply was found in the October 1989...
Zero Crossing Detector (CB20158E)
This configuration with the LM111 was found in your factory manual. The circuit can be implemented with...