raoul@eplunix.UUCP (Nico Garcia) (01/23/91)
In article <4931@media-lab.MEDIA.MIT.EDU>, minsky@media-lab.MEDIA.MIT.EDU (Marvin Minsky) writes: > Sorry about last message. Does anyone know if ferrite beads can > reduce the RF noise from light-dimming devices? We avoided the whole issue and replaced the SCR light-dimmers with the bulky, hairy old linear light dimmers. They work great and don't make the occasional buzzing noise of the SCR's, which was a problem for our audio experiments. -- Nico Garcia Designs by Geniuses for use by Idiots eplunix!cirl!raoul@eddie.mit.edu
minsky@media-lab.MEDIA.MIT.EDU (Marvin Minsky) (01/23/91)
In article <1007@eplunix.UUCP> raoul@eplunix.UUCP (Nico Garcia) writes: >In article <4931@media-lab.MEDIA.MIT.EDU>, minsky@media-lab.MEDIA.MIT.EDU (Marvin Minsky) writes: >> Sorry about last message. Does anyone know if ferrite beads can >> reduce the RF noise from light-dimming devices? > >We avoided the whole issue and replaced the SCR light-dimmers with the >bulky, hairy old linear light dimmers. They work great and don't make >the occasional buzzing noise of the SCR's, which was a problem for our >audio experiments. How do the "linear" ones work? A rheostat would be too hot, and a variac too expensive (not really) -- and both are too large to fit in a standard domestic switch-box.