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Re: [Discuss-gnuradio] about how to test RFX900 with USRP

From: Lin HUANG
Subject: Re: [Discuss-gnuradio] about how to test RFX900 with USRP
Date: Tue, 26 Jun 2007 13:41:43 +0800

2007/6/24, CHEN,ZHIFENG <address@hidden>:
I am a beginner in USRP for GNU Radio. I just buy two sets of USRP
with RFX900 for our project. There is no any documents together
with the package. That is fine for play USRP monther board. I have
test the USRP and it is fine. But when I want to test a
transmitter and receiver between two sets of USRP+RFX900, there is
no any documents address this. I have to find which file may be
used to test RFX900, and furthermore go through all the codes in
that file to decide how to build up a link between two RFX900.
Since there are almost no comments, it is very difficult for many
beginners like me to understand. Does anyone have suggestions
1. which files should I use to test link between two RFX900?
Just change the carrier frequency, you may use a lot of files for test. For example, usrp_fft.py, usrp_nbfm_ptt.py, usrp_nbfm_rcv.py etc. http://gnuradio.org/trac/browser/gnuradio/trunk/gnuradio-examples/python/digital
is a good example for full duplex transmission.

2. which file may I use to set the power gain for trasmitter?
since my
experience before is LNA in receiver has maximum input power
Only the software gain. I mean the data you give to DA.

3. which file may I use to set different waveforms?
4. Is there such documents addressing these for beginner?
Thank you very much!
"how to write a block" is a document for beginner. And
is a good tutorial, but maybe not updated for a long time.
Hope they are helpful for you.

Best Regards,

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