This very low power circuit is based on the ICL7860. We found it in an Electronics Now from April 1995. The output current is very low.
This JFET amplifier was found in documentation from 1958. The circuit has voltage gain of 4 and 10...
This circuit was found in a 1969 Mullard documentation. Used transistors can be replaced with...
In the figure we have a high input impedance stage with a general purpose PNP transistor. An NPN transistor...