Voltage doubler for EEPROM programmer (CB9323E)

This circuit from the 90s, was found in an Electronic Design of the time. The components used are uncommon today.

60 V Regulator (CB15131E)
This voltage regulator was obtained in the SGS manual of linear integrated circuits of 1982. The...
Automatic Hand Dryer (CB17658E)
Of course, the design indicates a specific application for a touch switch. Thus, analyzing the...
Or exclusive with transistor (CB7249E)
In the figure we have the way to obtain the Exclusive-OR function with 1 transistor. The circuit...