This is the circuit of a MW commercial radio obtained in a 1967 publication. The transistors are made of germanium and are powered by 4 common batteries.
This circuit from the April 1972 issue of Radio Electronics magazine uses an inductive sensor. The...
July 2017 - Microchip's new MCP9V91 operational amplifiers with input offset and low drift voltage...
In the figure we have a typical voltage follower. In a voltage follower the voltage gain is...