This power supply has a resolution of 10 pA in the current range from -100 to +100 nA. The circuit is from a 90s Electronic Design operating with voltages from -4 to +3.5 V.
This voltage regulator was obtained in the SGS manual of linear integrated circuits of 1982. The...
Of course, the design indicates a specific application for a touch switch. Thus, analyzing the...
In the figure we have the way to obtain the Exclusive-OR function with 1 transistor. The circuit...