This circuit was originally intended to operate with a solar source for experiments. Transistors are general purpose, and the output current is relatively low.
This low noise, low frequency instrumentation circuit was found in a 1976 NASA circuit manual. The...
This circuit was obtained from Linear Technology's own component manual of the 1990s. The circuit...
This circuit was found in a PC documentation from 1996. It can be used as a shield with modern...