"that they noted the RX loss of the amp as .19 dB at 14 MHz."
That seems like a pretty big loss. What is it due to?
----- Original Message -----
From: "Robert Carroll" <rlcarroll@patmedia.net>
To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Sent: Sunday, April 10, 2005 02:34
Subject: Re: [TenTec] Popping Noise from Orion and Centurion
> Tony-
>
> Hopefully it's not the relay with such a new unit, but I have had two
> Ameritrons with open frame relays fail that way. So far I have not baked
> the PINs in an Alpha 86 or Alpha 89 yet, but that is the favorite mode of
> failure for them. They are really nice amps. The thing I like most about
> the AL1500, though, is that it is simple enough for me to have a shot at
> fixing whatever goes amiss. Some of the circuitry in the Alpha's is
complex
> enough that I usually send them back when a repair is needed.
>
> By the way I noticed with the Alpha 89 which just came back from a checkup
> that they noted the RX loss of the amp as .19 dB at 14 MHz. That's the
> first time I have noticed an amp speced that way. Perhaps my Ameritron
> experience caused me to notice it.
>
> Good Luck!
>
> Bob W2WG
>
> -----Original Message-----
> From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
> On Behalf Of Toby Pennington
> Sent: Saturday, April 09, 2005 10:24 PM
> To: Ten Tec List
> Subject: [TenTec] Popping Noise from Orion and Centurion
>
> Bob, Thanks very much for your input. You bring up some very good
> points. The Centurion is only about one and a half years old, and I
would
> have never guessed that contacts would have been dirty. The Centurion
uses
> a reed relay input, Potter Brumfield mechanical relay output.
>
>
> Again thanks for your input! Toby W4CAK
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