Search found 3 matches

by spearmint
Fri Jan 11, 2002 12:44 pm
Forum: General Discussion
Topic: ac dimmer
Replies: 12
Views: 3840

Re: ac dimmer

i found the triac at radio schack but didn't get it bc you need the diac as well, which they don't carry. i did find the schematic on the back though, thanks! too bad there isn't an easy way to attenuate ac; i imagine the way a triac chops the waveform introduces all kinds of harmonics... m<p>[ Janu...
by spearmint
Tue Jan 08, 2002 8:11 pm
Forum: General Discussion
Topic: ac dimmer
Replies: 12
Views: 3840

Re: ac dimmer

i am interested in anything you can tell me! the more info the better. i am a beginner in analog design-- i've only just taken a first year lab class. any diagrams are great. do you know if there is a tutorial of some kind on this?
cheers,
matt
by spearmint
Tue Jan 08, 2002 6:15 am
Forum: General Discussion
Topic: ac dimmer
Replies: 12
Views: 3840

ac dimmer

i am interested in taking AC wall power (120/60) and attenuating it from 0dB to 0Vpp. i could go buy a light fixture dimmer but i'd like to do this from scratch. i have heard that triacs work well for this purpose and i've learned about how they work, but i am not sure how to use one. can anyone giv...