From: Watson 'Atto Parsec' Name
Subject: Re: hi-capacity voltage controlled capacitor?
References: <firstname.lastname@example.org> <email@example.com> <3DA72D96.9F9514DE@NOSPAMboeing.com>
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Date: Sat, 12 Oct 2002 08:10:17 -0700
NNTP-Posting-Date: Sat, 12 Oct 2002 08:07:10 PDT
Organization: InReach Internet
In article ,
firstname.lastname@example.org talked about...
> A row of caps and a row of FETs would do it. Perhaps you have
> something more elegant in mind.
If the FET has an on resistance of an ohm or so then it could lower the Q
of the capacitor drastically, especially if the cap was in a resonant
circuit. Capacitor ESR can be important.
> A ceramic cap with separate ac and dc paths would also work. dc bias
> controls capacitance, and the signal is ac coupled to it.
> Regards, NT
My email address is whitelisted. *All* email sent to it
goes directly to the trash unless you put NOSPAM in the
Subject: line. alondra101 hotmail.com
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Just when you thought you had all this figured out, the gov't
changed it: http://physics.nist.gov/cuu/Units/binary.html