It's the buzz buzz buzz in the drum of the ear, or, making my amplifier a tinfoil hat to stop GSM noises from my phone. [more inside]
posted by Halle on Sep 23, 2009 - 8 answers

Have AT&T U-verse installed and need help selecting the best RF remote control? What is the best RF remote for this type of setup? [more inside]
posted by jjcurtis on Jun 8, 2009 - 1 answer

RFInterferenceFilter: This is a continuation of this question. Summarizing: I'm experiencing a loud buzzing noise in my stereo, accompanied by interference from local FM radio stations. I've done more investigation and have eliminated my power as a (direct) cause of the noise. [more inside]
posted by strangecargo on Jan 26, 2009 - 7 answers

(Electronics|Stereo)filter: What is causing this infuriating noise in my preamp and how do I fix it? Links to sound files and long list of symptoms in extended. [more inside]
posted by strangecargo on Jan 15, 2009 - 6 answers

Anyone know of a reliable way to quickly & accurately track position over a 200 foot range? I am trying to get a camera to follow a moving subject over medium range distances outdoors.I have seen several products on sparkfun that transmit/receive RF, but do not know if they will work for position tracking. THANKS!
posted by helltoupee on Oct 9, 2008 - 6 answers

My little bedroom studio could use some help. It's hard to find a spot where the mics and guitar pickups don't pick up RF noise. [more inside]
posted by scottandrew on Feb 19, 2008 - 7 answers

I want to be able to click through some Powerpoint slides in a really large room when my computer is at the other end of it (about 100 ft away). There are no physical boundaries in the way (it's in direct sight). Do I need an RF mouse for this? If so, does anyone have recommendations of good ones to buy? and where? It doesn't need to be overly fancy, probably a click and maybe a RMB click would be sufficient...
posted by royalchinook on Jan 11, 2008 - 8 answers

RF Filter (literally): I'm using my trusty Sony ICF-2010 shortwave radio (1990 vintage) with a brand-new Edirol R-09 digital recorder. Unfortunately, once I hook up the R-09, it spits up digital noise all over the bands. [more inside]
posted by mykescipark on Apr 8, 2007 - 6 answers

I've pulled an RF modulator out of an old VCR, but I don't know what some of the pins are for on the unit. Help me wire it up to modulate a composite video signal. [more inside]
posted by odinsdream on Feb 12, 2007 - 12 answers

RF-to-IF over fiber. I'm not much of an RF geek lately but i'm learning a bit here and there. One of the things i've found some interest in is these RF-to-IF converters, which supposedly allow you to take chunks, or even the entire RF spectrum, convert it to a data signal, relay it over fiber, and then move it back into RF spectrum at the other end allowing traditional receivers to listen to it. [more inside]
posted by arimathea on Nov 6, 2006 - 13 answers

Very strange electrical noise getting into radio on newly imported 1997 JDM Toyota Tercel hatchback. Radio replacement is imminent, but there's [more inside]
posted by toxic on Aug 29, 2006 - 5 answers

Its recently been discovered that i can pick up a 70-or-so channel cable broadcast on my uhf/vhf antenna. While hoping not to jinx myself, i ask, does anyone know how this may be occurring? more inside. [more inside]
posted by c on Apr 6, 2004 - 8 answers

Two semi-related issues. Basically, both my mouse and my cell phone make weird sounds come out of my computer speakers. [more] [more inside]
posted by scarabic on Mar 3, 2004 - 15 answers