The circuit shown has a voltage gain of 500 times and can use equivalent FETs like the BF245. The circuit is suggested by National Semiconductor in its 1994 Linear Applications Handbook.
An article in Radio Electronics magazine from November 1962 taught how to connect two common...
Pressing S1 stops the circuit. This circuit was found in the October 1992 issue of Radio...
Found in 1969 Ferranti documentation, this small font is characterized by its low ripple....