The input SWR is flat.
Jerry
----- Original Message -----
From: "James Colville" <jimw7ry@gmail.com>
To: "Rex Lint" <rex@lint.mv.com>
Cc: "Amps" <amps@contesting.com>
Sent: Thursday, February 18, 2010 11:22 PM
Subject: Re: [Amps] SB-221 Problem - Slow on the uptake
> What is the input SWR? What does the exciter show it is?
>
> Jim W7RY
>
>
>
> On Thu, Feb 18, 2010 at 7:04 PM, Rex Lint <rex@lint.mv.com> wrote:
>
>> Does it with ALL exciters. Guess the input network is something we
>> haven't looked at though.
>>
>>
>>
>> Thanks,
>>
>>
>>
>> -Rex-
>>
>>
>>
>> K1HI
>>
>> Rex Lint
>>
>> Merrimack, NH
>>
>>
>>
>> *From:* James Colville [mailto:jimw7ry@gmail.com]
>> *Sent:* Thursday, February 18, 2010 8:15 PM
>> *To:* Rex Lint
>> *Cc:* Amps; Jerry Muller; Lee Hill
>> *Subject:* Re: [Amps] SB-221 Problem - Slow on the uptake
>>
>>
>>
>> Sounds like your exciter has a problem...Or it has a problem with the
>> load
>> (amplifier). Why not simply key the amplifier BEFORE you put the rig
>> into
>> transmit mode?
>>
>>
>>
>>
>>
>> 73
>>
>> Jim W7RY
>>
>>
>>
>>
>>
>> On Thu, Feb 18, 2010 at 9:01 AM, Rex Lint <rex@lint.mv.com> wrote:
>>
>> Hi Wizards,
>>
>> After I replaced the TR relay, the amp seems to take a 20 milliseconds to
>> develop full output. That tends to clip off part of the first CW
>> character.
>>
>>
>> We jumpered the bias ON, then switched the AMP KEY relay and the output
>> is
>> not up to full output right away, so we determined it's not the bias. We
>> disconnected the ALC circuit at the joint with the output from the input
>> circuits, and still no joy. Other recent mods: rebuilt the bias circuit
>> after parasitic incident, including replacing zener.
>>
>> Any ideas as to what might cause this?
>>
>> -Rex-
>>
>> K1HI
>> Rex Lint
>> Merrimack, NH
>>
>>
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>>
>>
>> No virus found in this incoming message.
>>
>> Checked by AVG - www.avg.com
>> Version: 9.0.733 / Virus Database: 271.1.1/2695 - Release Date: 02/18/10
>> 02:34:00
>>
>>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|