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[Discuss-gnuradio] More sensitivity testing on Basic_RX/USRP2 combo
From: |
Marcus D. Leech |
Subject: |
[Discuss-gnuradio] More sensitivity testing on Basic_RX/USRP2 combo |
Date: |
Fri, 08 Oct 2010 13:41:57 -0400 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.12) Gecko/20100907 Fedora/3.0.7-1.fc12 Thunderbird/3.0.7 |
I was able to produce a -98dBm signal today, and in a 5KHz bandwidth,
that signal produces a roughly 7dB increase in detector output
level, compared to nothing plugged in to the Basic_RX. So, the MDS,
is somewhere probably around -102dBm. Some of the best
HF receivers around can perform well at around -130dBm input signal,
so -102dBm isn't that terribly bad considering there's
no gain in front of the ADC.
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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