Multi-Band Linear Chirp Generation Based on a Type-III PLL

被引:0
|
作者
Velner, J. [1 ]
Klumperink, E. A. M. [1 ]
Nauta, B. [1 ]
van Vliet, F. E. [1 ,2 ]
机构
[1] Univ Twente, NL-7500 AE Enschede, Netherlands
[2] TNO, POB 96864, NL-2509 JG The Hague, Netherlands
关键词
Phase locked loops; Ultra wideband radar; BiCMOS integrated circuits;
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 type-III PLL is used to generate linear frequency ramps with 386 kHz RMS frequency error in L-band (3088 kHz in X-band) and 10% fractional bandwidth. Pulse durations can be as low as 10 mu s without performance degradation. The system covers the L-, S-, C- and X-bands. A programmable output driver delivering -17.9 to +4.9 dBm differentially is included on chip. The system is fully integrated using a 250 nm SiGe BiCMOS process.
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页数:4
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