This different circuit was patented and described in the Radio Electronics magazine of March 1958. In that section it used to present different configurations that received patents.
This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz....
We found this amplifier with 50 MΩ input resistance in the May 1989 Radio Electronics magazine. The...
Found in 1967 Raytheon documentation, this circuit uses a company coupler consisting of a lamp and...