This triac circuit was found in the July 1995 Electronics Now magazine. The triac is based on the heating element current and must be equipped with a heat sink.
We found this treble booster circuit in a Radio Electronics magazine from February 1970. It uses...
This effects pedal was obtained in an English publication from 1980, but it can be easily...
This amplifier is from the 1982 SGS linear integrated circuit manual. The power supply must be...