This circuit makes use of an unusual Analog Devices component today. The circuit is from a 90's documentation. The amplifier has 80 dB gain.
This traditional preamp configuration with the common emitter configuration has a polarization setting...
The FET of this circuit of a 1971 publication may be the BF245. The circuit serves as a voltage...
We found this circuit in a 90s Electronic Design. Through a capacitor it can increase the growth...