To: | <tentec@contesting.com> |
---|---|
Subject: | [TenTec] Scout,Omni,TS 850 transmit |
From: | n4lq@iglou.com (Steve Ellington) |
Date: | 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) > > > > _______________________________________________ > TenTec mailing list > TenTec@contesting.com > http://lists.contesting.com/mailman/listinfo/tentec > |
<Prev in Thread] | Current Thread | [Next in Thread> |
---|---|---|
|
Previous by Date: | [TenTec] Software driven rigs, Michael A. Newell, WB4HUC |
---|---|
Next by Date: | [TenTec] Jupiter firmware 1.21, Chris Robson |
Previous by Thread: | [TenTec] close talking was Scout,Omni,TS 850 transmit, Stuart Rohre |
Next by Thread: | [TenTec] Scout,Omni,TS 850 transmit, Adam Farson |
Indexes: | [Date] [Thread] [Top] [All Lists] |