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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[CQ\-Contest\]\s+receiver\s+evaluations\s*$/: 6 ]

Total 6 documents matching your query.

1. [CQ-Contest] receiver evaluations (score: 1): Author: eric@K3NA.ORG (Eric Scace K3NA); Date: Tue Mar 18 16:06:01 2003; For some time now, ARRL and others have included in their collection of receiver performance test the blocking dynamic range and two-tone 3rd-order IMD, using two signals with some spacing such as 5; /archives//html/CQ-Contest/2003-03/msg00211.html (8,308 bytes)
2. [CQ-Contest] receiver evaluations (score: 1): Author: al_lorona@agilent.com (al_lorona@agilent.com); Date: Wed Mar 19 11:28:49 2003; Hi, Eric, The test you described is called the Noise Power Ratio (NPR) test, and it is used more and more to simulate the multi-carrier conditions that an amplifier is likely to see. It is primarily; /archives//html/CQ-Contest/2003-03/msg00219.html (10,509 bytes)
3. [CQ-Contest] receiver evaluations (score: 1): Author: al_lorona@agilent.com (al_lorona@agilent.com); Date: Wed Mar 19 11:39:07 2003; One more thought... The NPR test applies best when the interfering signals are on all the time, all at the same time. This would be the case in, for example, a cable TV system, or a satellite downlin; /archives//html/CQ-Contest/2003-03/msg00220.html (10,171 bytes)
4. [CQ-Contest] receiver evaluations (score: 1): Author: eric@K3NA.ORG (Eric Scace K3NA); Date: Wed Mar 19 18:30:49 2003; Well, actually, I think that contest conditions are very similar to the NPR test. More particularly, the NPR test is a far more accurate representation of what's happening on the band during a contes; /archives//html/CQ-Contest/2003-03/msg00227.html (10,822 bytes)
5. [CQ-Contest] receiver evaluations (score: 1): Author: vr2bg@harts.org.hk (VR2BrettGraham); Date: Thu Mar 20 02:16:09 2003; W6LX continued: True, but such a situation may be the closest way to simulate the real-world on the bench - come to think of it, this is not too far off from an instant in time (not all carriers key; /archives//html/CQ-Contest/2003-03/msg00229.html (7,479 bytes)
6. [CQ-Contest] receiver evaluations (score: 1): Author: kg5u@hal-pc.org (Dale L Martin); Date: Thu Mar 20 23:46:14 2003; The NPR test is something I wish we had had back when Owen Garriott, W5LFL, was preparing to take ham radio onboard the space shuttle orbiter Columbia during the STS-9 flight. There was no external s; /archives//html/CQ-Contest/2003-03/msg00243.html (8,148 bytes)

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