This 1960s Signalite circuit uses two SCRs to achieve full wave control. The trigger elements are neon lamps.
Found in an Electronic Design from the 90s, this circuit uses components from that time....
We found this amplifier with 50 MΩ input resistance in the May 1989 Radio Electronics magazine. The...
This setting appears elsewhere in this section. This was obtained from an American 1980s...