This circuit was found in Radio Electronics from the 90s. The components used are common, and the transistors and CIs must be equipped with heat sinks.
This circuit has a voltage gain of 30 times and passband of 14 MHz. The circuit is from the 1974...
This circuit was found in the August 1973 issue of Radio Electronics magazine. The Darlington...
This circuit was found in an old manual of linear integrated circuits of the 80's. Equivalent...