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Topband: Fixed capacitor source needed (150pf 5KV)

To: TopBand List <topband@contesting.com>, towertalk@contesting.com
Subject: Topband: Fixed capacitor source needed (150pf 5KV)
From: Herb Schoenbohm <herbs@vitelcom.net>
Reply-to: herbs@vitelcom.net
Date: Thu, 03 Oct 2013 10:45:38 -0400
List-post: <topband@contesting.com">mailto:topband@contesting.com>
I have a Drake MN2700 so I can at least get the amp to work above 1870Khz during contests. The tuner used some fixed flat 150pf 5KV capacitors to switch in from the front selector as increased capacity is need to make the tuner work. I can't find any door knob substitutes at that value in my junk box. I am thus looking for a source for these values but so far have not found anything that I can use as a substitute. I presume I could make some out of sections of RG-8 mini roller up in a coIl but before I try this I am searching for a door knob source. I have some 500pf at 5KV and three of them in series might be close enough but i still need the correct values. If any reader to this knows of other ATU manufactures that use the copper teflon flat capacitor in their units maybe could order 150 pf 5KV from them.


Your help on this would be appreciated.


Herb, KV4FZ
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