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Total 12 documents matching your query.

1. [AMPS] IMD & Phase noise (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Wed, 2 Jun 1999 15:05:48 +0100; Thread title changed to reflect reality! One factor that is not appreciated widely is that the intermodulation limited dynamic range in a receiver (some call it 'Spurious Free Dynamic range' - it is; /archives//html/Amps/1999-06/msg00043.html (8,694 bytes)
2. [AMPS] IMD & Phase noise (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 2 Jun 1999 15:44:06 -0400; Hi Jon, It's the 1000MP that has the bad TX phase noise, I can tell you that after listening to many rigs on 160 meters while trying to work weak DX signals close by. Other rigs have other problems.; /archives//html/Amps/1999-06/msg00062.html (9,341 bytes)
3. [AMPS] IMD & Phase noise (score: 1): Author: dhb@mediaone.net (Dave, AA6YQ); Date: Wed, 2 Jun 1999 22:29:43 -0400; Regarding the 775's spur: Icom America recently gave me a full refund on a 3.5 year old 775 after admitting that they could not (or would not) correct this problem without disabling QSK above 20 wpm.; /archives//html/Amps/1999-06/msg00073.html (10,987 bytes)
4. [AMPS] IMD & Phase noise (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Thu, 3 Jun 1999 09:54:05 +0100; I don't disagree with Tom on this, and I don't know if it's my imagination, but they seem worse on 160 than on other bands. 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submiss; /archives//html/Amps/1999-06/msg00077.html (8,163 bytes)
5. [AMPS] IMD & Phase noise (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 3 Jun 1999 10:26:26 -0400; I'd wager the problem could be corrected with less than a day's work, unless they have laid out the VCO's in a postion where it is impossible to decouple them. Hopefully we won't see dozens of these; /archives//html/Amps/1999-06/msg00086.html (8,738 bytes)
6. [AMPS] IMD & Phase noise (score: 1): Author: warrenw@pentek.com (Warren J. Walsh); Date: Thu, 03 Jun 1999 14:01:46 -0400; With all this information about IMD and phase noise going back and forth, I didn't see any messages about the Tentec OMNI-VI radio. Has anyone tried this radio? Does it have any of the problems descr; /archives//html/Amps/1999-06/msg00098.html (7,983 bytes)
7. [AMPS] IMD & Phase noise (score: 1): Author: dhb@mediaone.net (Dave, AA6YQ); Date: Thu, 3 Jun 1999 19:48:54 -0400; Icom Japan's position is that their engineers are all fully occupied on new designs. When the problem was first discovered -- back in 1996 -- Icom America retrofitted some additional VFO shielding, w; /archives//html/Amps/1999-06/msg00102.html (9,891 bytes)
8. [AMPS] IMD & Phase noise (score: 1): Author: itr@nanoteq.co.za (Ian Roberts); Date: Fri, 04 Jun 1999 09:08:08 +0200; Why don't these guys perfect the last version, why "new" every time? The IC-746 I bought locally (it was one of the first batch sent out world-wide by ICOM to gather user feedback and test reports,; /archives//html/Amps/1999-06/msg00103.html (8,409 bytes)
9. [AMPS] IMD & Phase noise (score: 1): Author: Jan.E.Holm@telia.se (Jan.E.Holm@telia.se); Date: Fri, 4 Jun 1999 11:03:44 +0200; Also the 746 is a pig on keyclicks. Those engineers doesn´t deserve to be called engineers. de SM2EKM -- -- on new Why don't these guys perfect the last version, why "new" every time? The IC-74; /archives//html/Amps/1999-06/msg00105.html (9,165 bytes)
10. [AMPS] IMD & Phase noise (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Fri, 4 Jun 1999 10:18:02 +0100; I think that a major part of the problem is that it's all very well using test gear on the bench, but that doesn't necessarily represent the real world. So after you've set parameters, built it to sp; /archives//html/Amps/1999-06/msg00107.html (8,737 bytes)
11. [AMPS] IMD & Phase noise (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Fri, 4 Jun 1999 07:25:31 -0500; I would call that HIGHLY unusual! All marketing typically cares about is what they feel customers want. Never mind that it isn't technically possible in a cost effective and manufacturable form. 73,; /archives//html/Amps/1999-06/msg00111.html (8,195 bytes)
12. [AMPS] IMD & Phase noise (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 4 Jun 1999 09:29:24 -0400; IMO, they should spend an hour or two and fix the present ones. When I asked them why they didn't fix the software in the 706 so the QSK worked, they said "no one cares about CW". I wonder how we mig; /archives//html/Amps/1999-06/msg00118.html (9,861 bytes)

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