This circuit is from a 1966 Motorola Field Effect Transistors Manual. The circuit makes use of other components from the time. Modern equivalents can be tested.
Found in a 90s Popular Electronics, this circuit is intended for amplifying analog video signals....
This antenna amplifier or booster for receivers from 100 kHz to 30 MHz was published in a...
This somewhat complex circuit was found in the May 1984 issue of Radio Electronics magazine. The...