This circuit is from LinearTechnology Applications of 1997. The circuit uses components of the time used to raise the voltage of a battery from 3 to 6 V.
This watch was found in 2001 documentation. The watch is powered by 4 batteries. To save energy, the...
This circuit is from Motorola's Linear Databook from 1990. The integrated circuit and transistors are...
This is one of many possible touch switch configurations using CMOS integrated circuits. The...