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SQ1GQC
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06.11.2014 16:49:16
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Posty: 368 #1974036
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F5DQK pisze:
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Regarding your P/N meases with the KE5FX Soft : did you also make the spectrum analyser floor meases, for example at 10MHz, 100MHz or 10 GHz (with only a 50 Ohm load screwed on the S-A ? ?
Not yet. I use the first generation FSP7 (Win NT). I tried to use the RS-232 connections to the PN software, but without results. I need to buy NI GPIB USB. For now, I'm using mechanisms built in spectrum analyzer. As for the level of their own phase noise of the spectrum analyzer, I base on R&S data.
KE5FX suggests using a cleaner source than the LO of the spectrum analyzer to determine the baseline phase noise.
After purchasing my SA also looking for K3 and K4 software. But I thought that it would be hard very to find. Now instead of K3, I use the VNA with a built-in application to the noise measurement (Anritsu MS4623B) and noise sources NSG-10GA (www.rfmicrovawe.it).
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