|[AMRadio] RE:Microphonic Caps|
jcandela at prodigy.net
Tue Nov 21 09:44:04 EST 2006
I sent this on to Physicist buddy of mine, and here is his response:
It probably won't be very sensitive because there isn't anything that
easily deforms. He should at least use a SMD chip capacitor because
those have a well defined orientation of the layers (for example see
link http://www.avxcorp.com/docs/catalogs/licc.pdf document page 83).
Axcelis Technologies, Inc.
klaus.becker at axcelis.com
----- Original Message ----
From: John E. Coleman (ARS WA5BXO) <wa5bxo2006 at pctechref.com>
To: Discussion of AM Radio in the Amateur Service <amradio at mailman.qth.net>
Sent: Monday, November 20, 2006 6:39:37 PM
Subject: RE: [AMRadio] RE:Microphonic Caps
I really wonder how it might sound if I were to attach some kind of a
diaphragm to the side of one of those little brown ceramic caps (.005 - .02
uf) and glued the other side down to a piece of hardwood and put about 50
volts or so to it through a 5000 ohm resistor. I'll make the whole
microphone case out of wood in lined with aluminum foil with slots cut in
What do you think Bill?
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