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Re: [TenTec] OMNI VII QSK users with good ears....

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] OMNI VII QSK users with good ears....
From: "Paul Christensen" <w9ac@arrl.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 9 Dec 2007 18:45:21 -0500
List-post: <mailto:tentec@contesting.com>
> Where does one obtain those UM2110 diodes?
> Dj  k6rcl

At one time, Microsemi would "sample" them out to hams, in addition to their 
usual commercial and military customer base.  That was back in the early 
'90s.  Quite a few folks took advantage of it and my understanding is they 
will no longer sample-out to the ham community.  If you do request a sample 
through their website, expect to answer a lot of tough questions by 
telephone from their sales force.  It's understandable as these are 
expensive diodes -- something like $40 each in small quantities, maybe more. 
These are 1KW PIN diodes that are meant to switch RF, specifically at HF 

You can try the usual on-line sources for quality industrial components like 
Newark, Allied, Digi-Key and Mouser.  If that fails, you'll need to contact 
Microsemi and make an inquiry about obtaining the name of an industrial 
supply distributor near you.


Paul, W9AC


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