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 circuit with automatic gain control was found in the July 1988 issue of Radio Electronics magazine....
This circuit uses only two general purpose transistors and can be powered by the circuit under...
This circuit, found in a publication of the year 1968, uses a transformer to drive two power...