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[Discuss-gnuradio] USRP Rx signal levels


From: Krzysztof Kamieniecki
Subject: [Discuss-gnuradio] USRP Rx signal levels
Date: Sat, 18 Jun 2005 01:26:27 -0400
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.5) Gecko/20041217

I confused as to how the USRP FPGA scales the ADC signal. It appears that on the setup we are using, which has some customized DC Rx daughter boards, when we put in a 2V p-p square wave with a DDC center frequency of zero and a decimation rate of 64 we are getting data that is p-p ~16000 counts, is this normal? I'll be checking how the normal Rx boards behave on Sunday.


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Krzysztof Kamieniecki
callsign:KB1KLB
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