Low power consuming, low noise, zero-IF direct conversion receiver for digital audio system DAB

被引：0
|
作者：
Nicolay, T [1 ]
Groh, HW [1 ]
机构：
[1] Univ Saarland, Dept RF & Microwave Engn, D-66123 Saarbrucken, Germany
来源：
BEC 2004: Proceeding of the 9th Biennial Baltic Electronics Conference | 2004年
关键词：
D O I：
暂无
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：
This paper describes the systematic investigation of a universal, broadband direct conversion quadrature front-end for L-band systems. Starting with a comparison of the advantages and disadvantages of homodyne and heterodyne receivers, the required components for a direct conversion system are discussed in detail. The digital broadcasting system DAB is chosen as a practical application of such a concept. The baseband low noise design concept is explained. The theoretical results are verified experimentally and compaired with the requirements of today's receivers. Especially the effects of imbalance within the quadrature front-end and the bit error ratio are investigated.
引用
收藏
页码：295 / 298
页数：4
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