We found this circuit in Radio Electronics magazine from August 1984. The circuit aims to control the power supplied to an alternating current load. The components are common.
This SCR relaxation oscillator was found in an 80's Electronic Design. It flashes a small...
We found this shield circuit in a 1991 technical documentation. The phototransistor can be...
This circuit for old photo enlargers was found in a 1970s RCA manual. The components are from the...