added link to mic powering
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2980 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/FAQ b/docs/FAQ
index d27479b..4be10fd 100644
--- a/docs/FAQ
+++ b/docs/FAQ
@@ -629,4 +629,7 @@
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!).
\ No newline at end of file
+ (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.)