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PICList Thread
'[EE]: PC Microphones'
2004\07\02@115422 by Mike Hord

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I have a random mic that came with some piece of equipment
(probably a SoundBlaster Live! card) and I'd like to figure out
how to use it.

Problem is, I don't have ANY idea what kind of technology it
is, or where to start.  Google is less than helpful, since I don't
know what to search for and the few methods I've tried to
interface it seem to be ineffective.

The thing that's throwing me off is that it has 3 contacts
instead of 2, which leads me to believe that it is active.  Has
anyone any advice about what kind of mic this is and what I
should search for to start figuring out how to interface it?

Mike H.

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2004\07\02@120044 by Paul James E.

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They are typically condenser mic's.  I'll look up the pinout after luch
unless someone beats me to it.

                                          Regards,

                                             Jim



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2004\07\02@120458 by David Challis

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Probably an electret microphone.  
Try this link:
www.hut.fi/Misc/Electronics/circuits/microphone_powering.html
Or just google it.

Dave Challis

{Original Message removed}

2004\07\02@121752 by Scott Fraser

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face
Look at

http://www.btinternet.com/~diyha/electronics/stojack.html

http://www.epanorama.net/links/pc_sound.html   nice tutorial on sound cards

Bottom line,
Tip = Audio
Ring = +5v
Sleeve = Ground


BTW, those pages were found using "PC microphone" pinout  from google

Scott




At 08:52 AM 7/2/04, you wrote:
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2004\07\02@125941 by Vern Jones

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Stereo, maybe. Some were.
Vern
----- Original Message -----
From: Mike Hord <spam_OUTgaidinmdTakeThisOuTspamHOTMAIL.COM>
To: <.....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU>
Sent: Friday, July 02, 2004 8:52 AM
Subject: [EE]: PC Microphones


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2004\07\02@141740 by Mike Hord

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Thanks for the speedy response, guys.  I suspect that my mic
may be crap, since it isn't behaving properly.  That may be
the problem I had.

Mike H.

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