A 77-GHz radar transmitter with parallelised noise shaping DDS

被引：0
|
作者：
Wagner, Christoph [1 ,2 ]
Stelzer, Andreas [1 ]
Jaeger, Herbert [2 ]
机构：
[1] Johannes Kepler Univ Linz, Altenberger Str 69, A-4040 Linz, Austria
[2] Danube Integrated Circuit Engn, A-4040 Linz, Austria
来源：
2006 EUROPEAN MICROWAVE CONFERENCE, VOLS 1-4 | 2006年
关键词：
DDS; PLL; radar transmitters;
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：
A 77-Gffz synthesizer consisting of a phase locked loop (PLL) and a direct digital synthesizer (DDS) optimised for the application in frequency modulated continuous wave (FMCW) radars is presented. Through extensive noise shaping, the DDS uses a very small lookup table for storage of the sine function values and requires a digital-analog converter (DAC) with only 6 bit resolution. The design achieves high clock rates via the use of paralletisation.
引用
收藏
页码：1174 / +
页数：2
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