[TowerTalk] RG-58 capacitor

[Mike Fahmie]

Seems that if you need a value that would require a length that might begin to look like a transmission line stub, you could cut it into shorter sections and parallel them.-Mike-WA6ZTY

      From: David Robbins <k1ttt at verizon.net>
 To: reflector -tower <towertalk at contesting.com> 
 Sent: Sunday, June 25, 2017 4:23 PM
 Subject: Re: [TowerTalk] RG-58 capacitor
   
Yes, rg58 should be about 40pf/ft.  just beware, if the length becomes a
significant fraction of a wavelength then you have to calculate the
impedance based on the length and velocity factor.

David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://wiki.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://k1ttt.net:7373


-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Tom
Osborne
Sent: Sunday, June 25, 2017 22:53
To: towertalk at contesting.com
Subject: [TowerTalk] RG-58 capacitor

Hi All

This might seem like a silly question, but is it possible to make a 150pf
capacitor out of RG-58?  Thanks and  I need one for an EFHW I am building.
 73
Tom W7WHY
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