This circuit was found in a 1980s American documentation. The circuit is based on integrated CMOS 4001 that are common today. The load is a relay according to the power supply from 6 to 12 V.
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...