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Re: [Discuss-gnuradio] USRP Rx signal levels
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] USRP Rx signal levels |
Date: |
Sat, 18 Jun 2005 13:58:29 -0700 |
User-agent: |
Mutt/1.5.6i |
On Sat, Jun 18, 2005 at 01:26:27AM -0400, Krzysztof Kamieniecki wrote:
> 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.
Krys,
Seems low, but it may be normal. Matt could confirm, but he's on his
way to Green Bank.
Eric