How about using some aluminum duct tape available at the hdw store? Coat the
chip leads with liquid tape then cover the chip with that tape. Run the end
of the tape to the chassis and put a sheet metal screw through it.
Steve Ellington
N4LQ
----- Original Message -----
From: "Clark Savage Turner" <csturner@falcon.csc.calpoly.edu>
To: "TenTec Mailing List" <tentec@contesting.com>
Sent: Sunday, March 03, 2002 9:06 AM
Subject: [TenTec] OMNI VI DSP digs one out
> Finally. I have had my OMNI VI upgraded with the DSP, and I like it on CW
> (not much for SSB) but never really noticed a big difference (other than
> reduced ear fatigue) during QSO's.
>
> Got up at 5 am and just thought I'd call CQ on 80 CW. Something I've
> never done before. Heard a very weak, in the noise answer. Kicked in a
> filter, played with PBT, heard a little more. Hit the NR button and it
> came up just enough to be Q5 copy. It was right on the edge where that
> extra few db of noise reduction made all the difference to my ears. Very
> cool. Of course, amortized over my many CW QSO's, it might be a bit
> expensive for one JA QSL, but that is the fun of my hobby.
>
> One other thing, anyone notice a little "blurp" behind the sidetone during
> QSK with the OMNI VI? It is not too awful, but not as sweet QSK as my
> Corsair II (that is leaving my shack soon, gads....) I have pulled the
> sidetone tracking line and reduced the little click but there is still
> this remnant blurp. Maybe its just mine?
>
> Another question while I am at it (playing with K2 and OMNI VI a lot
> lately!) - anyone know of a product like copper tape with insulation on
> one side? I am still shielding and bypassing inside the OMNI VI to make
> 10 meters quieter and thought about after the fact shielding of most of
> the unshielded wiring inside the compartment where the processors make all
> the noise to begin with. Wouldn't be hard to cover about 90 per cent and
> ground it all to the aluminum frame. In mine, it is the second chip
> behind the battery that makes all the noise (according to my finger, when
> I get near it, everything gets loud). If I could find a way to isolate
> that chip, I might have it done.
>
> Having fun with ten tec.
>
> Clark
> WA3JPG
>
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