Topband: Fixed capacitor source needed (150pf 5KV)
ZR
zr at jeremy.mv.com
Thu Oct 3 10:59:18 EDT 2013
Ameritron sells the 170pf doorknobs used as input padders on 160 but they
arent cheap. The value isnt that critical.
Carl
KM1H
----- Original Message -----
From: "Herb Schoenbohm" <herbs at vitelcom.net>
To: "TopBand List" <topband at contesting.com>; <towertalk at contesting.com>
Sent: Thursday, October 03, 2013 10:45 AM
Subject: Topband: Fixed capacitor source needed (150pf 5KV)
>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
> _________________
> Topband Reflector
>
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