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.
This circuit was found in a National Semiconductor manual that is now a Texas group company. The...
This switch or band selector for receivers was found in a Popular Electronics from the 1990s. The...
L1 is the secunday wound of a common power transformer with voltages between 6 and 12 V and...