[TenTec] intermod on Jupiter when decreased RF Gain?
Ken N9VV
n9vv at wowway.com
Mon Nov 20 10:35:02 EST 2006
Hi Mark, thank you very much for your kind note. I was getting
ready to send it to TT for service :-) I guess it is just "the
nature of the best" :-)
TU de ken
Mark Erbaugh wrote:
> Ken,
>
> I notice something similar on my Pegasus with reduced RF gain.
>
> My guess is it's some artifact of the DSP AGC implementing higher gain .
> With no signal on my Pegasus (i.e. dummy load), numerous birdies are
> noticeable. With real noise and signals, most of these end up below the
> noise floor (though a few still remain).
>
> 73,
> Mark
>
> ----- Original Message -----
> From: "Ken N9VV" <n9vv at wowway.com>
> To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
> Sent: Sunday, November 19, 2006 9:06 PM
> Subject: [TenTec] intermod on Jupiter when decreased RF Gain?
>
>
>> Dear Jupiter owners,
>> did anyone ever notice intermod when they lower the RF Gain? I
>> have been tuning around on 80M tonight with the RF Gain set to
>> only about 25% because of QRN crashes. I hear a lot of SSB, AM and
>> what I would call birdies - until I crank up the RF Gain to more
>> than 75% where everything is normal (but very noisy).
>> your thoughts?
>> BK de ken n9vv
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>
>
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