We found this circuit in an American documentation from the 60s. The circuit can be made with equivalent transistors. It basically consists of a monostable.
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...