This circuit was found in the 1969 RCA thyristor manual. The circuit has a limiter (clipping) with two 12 V zener diodes in opposition to cut power grid pulses that may influence the trigger.
This turntable filter was found on an 80's Elektor. The circuit makes use of operational features...
This simple half-wave control using an SCR, which may be TIC106, has been obtained from a US...
This circuit uses common components at the time of its publication in the 1980s. The circuit can be...