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[Towertalk] Coax Surge Protectors that pass DC

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Subject: [Towertalk] Coax Surge Protectors that pass DC
From: (Jon Ogden)
Date: Sun, 29 Sep 2002 14:29:27 -0500

Do these units have a DC short to ground at the antenna end?  In other
words, do you use a  large inductor so that static is bled off the center of
the coax.  If so, then even though the supressor may pass DC, you still
can't run bias through it as the original poster wanted to do.

If it's just a gas tube and no center pin connection to ground other than
that, then he's all set and besides, you make a good product.



on 9/29/02 1:58 PM, don tyrrell at wrote:

> In addition to the brand previously mentioned, I wanted to add a
> "commercial" that our Alpha Delta Model ATT3G50 coax surge protector series
> also passes control voltages. It's a relative new series the same as our
> commercial/military approved units.
> We submitted the entire series for full UL approval, not just the gas tube
> components as in the previously mentioned brand, and received full approval.
> That's an expensive proposition but our commercial customers require it.
> They were tested for surge voltage breakdown, response time, protection
> level, salt spray and a host of other tests. We're the only complete units
> so approved to 497B.
> We're also lab tested and approved by the U.S. Navy, ATT Wireless and the
> only approved source for the Patriot missile system ground control vans. We
> have many other commercial approvals.
> OK, this is a "commercial" but I didn't want to get left out. TNX all!
> Don,  W8AD, Alpha Delta Comm.
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Jon Ogden
NA9D (ex: KE9NA)

Life Member: ARRL, NRA
Member:  AMSAT, DXCC

"A life lived in fear is a life half lived."

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