Radio Frequency Measurements on a SBX Daughter Board using GNU Radio and USRP N-210

被引：2
|
作者：
Zitouni, Rafik [2 ]
Ataman, Stefan [1 ]
Mathian, Marie [1 ]
George, Laurent [3 ]
机构：
[1] ECE Paris, LACSC Lab, F-75015 Paris, France
[2] UPEC, LISSI, 37 Quai de Grenelle, F-75015 Paris, France
[3] ESIEE Paris, LIGM, F-75015 Paris, France
来源：
2015 IEEE INTERNATIONAL WORKSHOP ON MEASUREMENTS AND NETWORKING (M&N) | 2015年
关键词：
Distortion measurement; Total harmonic distortion; Software Defined Radio; USRP/GNURadio;
D O I：
10.1109/IWMN.2015.7322969
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper we report Radio Frequency (RF) measurements performed on a GNU Radio/Universal Software Radio Peripheral (USRP) testbed. The USRP hardware is connected to SBX daughter board, both designed by Ettus Research. We can confirm the bandwidth stated by the designer, nonetheless the output power was found to be constantly decreasing with increasing the output frequency. USRP Hardware Driver (UHD) gain is a supplementary amplification parameter available to the user, nonetheless its manipulation has to be done with care. For the lower part of the SBX frequency band (400 - 1500 MHz), simply increasing the UHD gain above some value has the effect to increase the Total Harmonic Distortion (THD) without any increase in the desired carrier frequency power but with a significant increase in the out-of-band emission.
引用
收藏
页码：31 / 35
页数：5
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