GSM-noise "buzz" issue
Werner Almesberger
werner at openmoko.org
Fri Sep 19 21:41:27 CEST 2008
[ Cc'ing the hardware list again. I think you dropped it by accident. ]
Angus Ainslie wrote:
> Can someone suggest a digikey part number so the less hardware oriented
> might try it ?
If you don't mind the "short everything" case, then I think any 2.5mm
audio plug will do fine. The microphone signal is at the tip/center,
while ground is on the outmost ring.
Regular stereo plugs (with only three rings) will short the left
speaker to ground, but that shouldn't be a problem.
Here's what this looks like:
http://people.openmoko.org/werner/headset-suppressor.jpg
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