800 Watt [max.] Triac type Incandescent Lamp Dimmer Circuit.
Hysteresis-Free Phase Control Circuit for Triac type AC Incandescent Lamp Dimming.
Refer to discussion thread in "Electrical Theory Area" under the topic:
What's inside a Dimmer For details and discussion.
Scott S.E.T. New 10/02/2001 @ 02:05:00