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added link to mic powering

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2980 a1c6a512-1295-4272-9138-f99709370657
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Uwe Freese 2002-12-13 00:05:12 +00:00
parent 265a75d11a
commit 5ff17c8b1d
1 changed files with 4 additions and 1 deletions
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docs/FAQ
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@ -629,4 +629,7 @@ A69: There are several types of microphones.
where the sound goes through, dc value) for feeding the FET of
an electret condenser capsule (see above) (and this power could
also used to feed a mic amplifier), but the archos hasn't
(it's a line in and no mic in!).
(it's a line in and no mic in!).
If you want to know more on microphone powering, read this:
http://www.hut.fi/Misc/Electronics/circuits/microphone_powering.html.
(As described, you need also amplification.)