We found this 4.5 MHz amplifier for video signals from old analog TVs in the June 1992 issue of Radio Electronics magazine. It uses a 592 integrated circuit.
Found in an American documentation from the 90s, this circuit has a configuration that has been...
Found in an old publication about neon lamps this circuit works directly connected to the power...
The circuit below simulates an inductance with value given by the components, which can be...