This is actually an automatic dimmer we find in an American 1980s documentation. The triac must be load-matched, and the operational amplifier is of an unusual type today. The circuit maintains the constant illumination level sensed by a photodiode.
This is actually an automatic dimmer we find in an American 1980s documentation. The triac must be load-matched, and the operational amplifier is of an unusual type today. The circuit maintains the constant illumination level sensed by a photodiode.
