This circuit was found in a 1966 General Electric book. The triac and the day are from that time and can be replaced by modern equivalents depending on the load.
This circuit was found in the 1969 RCA thyristor manual. The circuit has a limiter (clipping) with two 12...
We found this receiver for medium and short waves in a publication from the 1980s. The medium wave...
This circuit uses a 741 operational amplifier that must be powered by a symmetrical source of 6 to...