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Re: [Discuss-gnuradio] Some problem with my USRP N210

From: John Malsbury
Subject: Re: [Discuss-gnuradio] Some problem with my USRP N210
Date: Thu, 9 Oct 2014 11:04:37 -0700

4 to 100?  What are the units?  How long is the actual burst?  Just guessing - a ~100 byte packet at the lowest datarate (250 kbps) of the CC2420 chip means the packet will e about 3.2 ms.  If you're using the 2 mbps rate, obviously it'll be much shorter.  Unless you're sending these packets with very high duty cycle, you won't really see anything in the FFT sinks..

Did you experiment with setting triggers in the scope like I suggested?


On Thu, Oct 9, 2014 at 10:57 AM, liisuu <address@hidden> wrote:
Hi John,

Thanks for your reply.

I am using RFX2400 2.3-2.9GHZ RX/TX

I increased the message length from 4 to 100 at the sender. But I still can
not observe the signal. (Maybe because of the power of signal is too small?)

The USRP N210 can receive signal at frequency around 2.9GHz. So I think the
hardware of USRP still works. But I cannot make it work now.

Thanks for your help.


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