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Re: [TenTec] Model 282 filter problem

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Model 282 filter problem
From: "Silevitch, Michael" <m.silevitch@neu.edu>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 9 Dec 2012 18:37:03 +0000
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Thanks Phil

An interesting thought. I'll follow up. 

Regards
    Mike K1PEV

Sent from my iPad

On Dec 9, 2012, at 12:18 PM, "Phil Chambley, Sr." <k4dpk@comcast.net> wrote:

> Often, it isn't the filter at all, but the fit between the filter pins and 
> the on-board pin receptacles.  Check each corner to see whether the pin seems 
> loose in the socket.  If so, remove the filter and, flatten the pin very 
> slightly to obtain a tighter fit.  Be careful and don't overdo it.  If 
> squeezed too much, the pin won't go down into the socket and will require 
> filing off excess width.
> 
> Phil C. Sr.
> k4dpk
> 
> 
> ----- Original Message ----- From: "K4MT" <k4mt@yahoo.com>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Saturday, December 08, 2012 1:49 AM
> Subject: Re: [TenTec] Model 282 filter problem
> 
> 
> I recently had problems with my 2.4 SSB filter. At times it worked fine, 
> other times the RX sens was terrible and other times it was dead.
> I found by wiggling the crystals it would return momentarily to normal. I 
> found several crystals with terrible solder connections. I re soldered the 
> entire board (the pins that plug into the radio were bad too) and it now 
> works fine. A couple of the crystal pins would not reflow and I had to remove 
> the solder and put a small wire around the crystal pin and connect to the 
> foil to get them to resolder.
> Do not know if this is your problem but something to look at.
> 
> --- On Fri, 12/7/12, Silevitch, Michael <m.silevitch@neu.edu> wrote:
> 
> From: Silevitch, Michael <m.silevitch@neu.edu>
> Subject: [TenTec] Model 282 filter problem
> To: "TenTec reflector (tentec@contesting.com)" <tentec@contesting.com>
> Cc: "Silevitch, Michael" <m.silevitch@neu.edu>
> Date: Friday, December 7, 2012, 1:51 PM
> 
> Does anyone have any insight into problems (and solutions) that would cause 
> failure in a Ten Tec model 282 (or any other similar model) crystal filter? 
> When the unit is plugged into its slot (on a Corsair) we get no response. Our 
> next step is to test it on a network analyzer but I felt it would be 
> worthwhile to also get inputs from people on the reflector.
> 
> Regards,
> Mike K1PEV
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