[TenTec] Scout,Omni,TS 850 transmit
Steve Ellington
n4lq@iglou.com
Sun, 25 Aug 2002 09:25:01 -0400
And furthermore, what does a transmitter with high IMD sound like when
listened to on a receiver with high RX IMD?
Check this link for an explanation:
http://www.audiovideo101.com/dictionary/im-distortion.asp
Steve Ellington N4LQ.
----- Original Message -----
From: "robert k stephens" <bstephens1@mindspring.com>
To: <tentec@contesting.com>
Sent: Saturday, August 24, 2002 12:26 AM
Subject: [TenTec] Scout,Omni,TS 850 transmit
> I think that my favorite non Ten Tec rig is the Kenwood TS 850/870
series,
> so I thought it would be interesting to compare the quality of its ssb
> transmit audio with the Omni V and my Scout. Since there is a review of
> the Mark V Field in Aug QST I have included that rig as well.
>
> Transmit IMD 3rd order 5th order
>
> Omni V -30 dB -45dB
> Mark V -31 dB -44dB
> TS 850 -28 dB -40dB
> Scout -25 dB -35dB
>
> The Omni and Mark V are virtually tied for 1st place and my Scout is last.
> I have a basic understanding of what receive IMD is but I really don't
> understand what transmit IMD is. What effect does good or bad transmit IMD
> have? Can you hear it on the other stations receiver e.g., does it affect
> perceived audio quality? What other effects does it have? In comparing
the
> Omni to my Scout how much worse is the 3rd order -25 compared to the
Omni's
> -30 dB and how much worse is the 5th order -35 as compared to the Omni's
> -45? What difference does it make?
>
> 73
> Bob KB1CIW
>
>
>
>
> p.s.
> Just for the heck of it I also compared the receive IF BW
>
> Receiver IF BW
>
> Mark V 281 Hz to 2771 Hz (2490 Hz)
> TS 850 160 Hz to 2456 Hz (2296 Hz)
> Scout 181 Hz to 2433 Hz (2252 Hz)
> Omni V 377 Hz to 2289 Hz (1922 Hz)
>
>
>
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