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January 9th 09, 08:17 PM
posted to rec.radio.amateur.homebrew
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Noise power measurement...
Hi all
I have got very simple noise source for receiver measurements, but noise power verification makes some trouble... Old analyzer noise floor is around -125dbm without input and noise power using 10kHz BW is -95dbm using display 'peak' setting and long video filter at 30MHz... Same setup with display 'inf' setting shows -105dbm for the noise. Sorry I don't have a manual for the analyzer to find what the 'inf' means... but which value would be acceptable ? I would use the first one ? br Kari B |
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