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[Discuss-gnuradio] Synthesizable Frequencies for WBX?

From: Tachwali, Yahia
Subject: [Discuss-gnuradio] Synthesizable Frequencies for WBX?
Date: Fri, 8 Apr 2011 17:22:50 +0000

Hello Guys,

I am experiencing some problems in transmitting/receiving at frequencies around 
900MHz for WBX board. While, I am able to do so cleanly at 900MHz, other center 
frequencies are not.

The signal bandwidth : 50 KHz
The sampling frequency: 200 KHz

I have tried 901MHz , 900.1MHz, 910MHz and many others but the received signal 
appears to be wider than it should be. The signal level is higher than -40dbm 
over the total 200 KHz range when these frequencies are used.

The only frequencies I was able to use with no problems are 900MHz, 1.8 GHz , 
890MHz, 880MHz.

What could be the problem? I have tried to use "tune_request_t" in the target 
frequency paramter but it gave similar bad results . Any pointers?

Kind regards,
Yahia Tachwali

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