Multi pellet diode regulator (CB8798E)

The used diode is an unusual component today. We found this 12 V regulator in documentation from the 90s.

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60 V Regulator (CB15131E)
This voltage regulator was obtained in the SGS manual of linear integrated circuits of 1982. The...
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Of course, the design indicates a specific application for a touch switch. Thus, analyzing the...
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In the figure we have the way to obtain the Exclusive-OR function with 1 transistor. The circuit...