[Central-Electronics] Source for temp. compensating caps

Chuck Ochs jmerritt2 at capecod.net
Mon Jun 14 23:29:56 EDT 2004


Capacitor technology has never been better than it is today. A quick
suggestion is to use silver / mica caps, but some time spent checking specs
in some catalogs like Digi-Key or Mouser, should yield what you are looking
for.
Chuck N1LNH
----- Original Message ----- 
From: <K6jek at aol.com>
To: <central-electronics at mailman.qth.net>
Sent: Monday, June 14, 2004 7:24 PM
Subject: [Central-Electronics] Source for temp. compensating caps


> My earlier question about drifting osciallators was answered by Nick Tusa
who
> sent me a copy of the modification for old 100V's like mine for
temperature
> compensating capacitors.   In the early 100V's, the crystal oscillator
coils
> were disc ceramics.   In later ones, they were temperature compensating
dogbone
> caps.
>
> Now I'm looking for the capacitors.   Surplus Sales of Nebraska no longer
has
> many of the ones that their last paper catalog lists.   Do any of you know
of
> another source?
>
> Here are tha caps called for in the 3/28/62 Central Electronics
Temperature
> Compensation Kit
>
>      10 meters     5 mmF N2200 or N3300 (use N3300 if N2200 isn't
sufficient)
>      15 meters     10 mmF N1500
>      20 meters     11 mmF N1500
>      40 meters     50 mmF N470
>      80 meters     47 mmF N750
>
> Jon, K6JEK
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