Here's another type, two photos:
<http://mtkelect.thomasnet.com/item/feed-through-capacitors/2nd-feed-thru-capacitors/m1833?&seo=110>
<http://www.alibaba.com/product-gs/202459057/Thread_Feed_thru_Capacitor_EMI_Filter_.html>
Mike WA6ILQ
At 05:18 PM 08/31/08, you wrote:
John, Check this link to see a picture of a feed thru cap:
<http://www.surplussales.com/Capacitors/CapacitorsAll.html>http://www.surplussales.com/Capacitors/CapacitorsAll.html
73 John VE3AMZ
----- Original Message -----
From: <mailto:[EMAIL PROTECTED]>John Transue
To: <mailto:[email protected]>[email protected]
Sent: Sunday, August 31, 2008 4:55 PM
Subject: RE: [Repeater-Builder] Wits End -- Desense
Chuck, John Bob, Derek, Eric, Mike, JohnB, and Tom,
Thank you all for the helpful suggestions.
The connectors appear to be perfect, and they check out with DC.
The cable on the RX side is double shielded RG142B/U. The cable
on the TX side is not marked with a complete designation. It says
AWM Style 1354, but there are many cables that are said to be UL
AWM Style 1354. Some of these are 75 ohm, some are 50 ohm. This
cable is only six inches long. I plan to replace this as soon as I
can get RG400 or other suitable cable. BNC connectors are used on
both the RX unit and the TX unit.
I don't know what it means to have a feed through capacitor in
series with a control or audio or power cable. However, a capacitor
to ground might be good to get rid of stray RF.
Pray if you are so inclined. Otherwise, hope we can make the
physics work.
Thanks again,
JohnT
-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Chuck Kelsey
Sent: Sunday, August 31, 2008 3:06 PM
To: [email protected]
Subject: Re: [Repeater-Builder] Wits End -- Desense
I was wondering the same thing. Has someone added some wiring and
subsequently breached the integrity of the shielding effectiveness
somewhere? First thing to come to mind is controller interfacing and
CTCSS wiring.
Chuck
WB2EDV
----- Original Message -----
From: <mailto:[EMAIL PROTECTED]>John J. Riddell
To: <mailto:[email protected]>[email protected]
Sent: Sunday, August 31, 2008 2:43 PM
Subject: Re: [Repeater-Builder] Wits End -- Desense
John, Make sure that every wire going in to the RX and TX box has a
feed thru cap in series
with it.
Also you might put a few small ferrite beads on each wire as well.
John VE3AMZ
