A direct digital frequency synthesizer with fourth-order phase domain Delta Sigma noise shaper and 12-bit current-steering DAC
Dai, FF; Ni, WN; Yin, S; Jaeger, RC; Dai, FF, Auburn Univ, Dept Elect & Comp Engn, Auburn, AL 36849 USA. 电子邮箱地址: fasterdai@auburn.edu; wnni@red.semi.ac.cn; yshi@red.semi.ac.cn; jaeger@eng.auburn.edu
2006
会议名称Symposium on VLSI Circuits
会议录名称IEEE JOURNAL OF SOLID-STATE CIRCUITS
页码41 (4): 839-850
会议日期JUN 16-18, 2005
会议地点Kyoto, JAPAN
出版地445 HOES LANE, PISCATAWAY, NJ 08855 USA
出版者IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
ISSN0018-9200
部门归属auburn univ, dept elect & comp engn, auburn, al 36849 usa; chinese acad sci, inst semicond, beijing 100083, peoples r china
摘要This paper presents a direct digital frequency synthesizer (DDFS) with a 16-bit accumulator, a fourth-order phase domain single-stage Delta Sigma interpolator, and a 300-MS/s 12-bit current-steering DAC based on the Q(2) Random Walk switching scheme. The Delta Sigma interpolator is used to reduce the phase truncation error and the ROM size. The implemented fourth-order single-stage Delta Sigma noise shaper reduces the effective phase bits by four and reduces the ROM size by 16 times. The DDFS prototype is fabricated in a 0.35-mu m CMOS technology with active area of 1.11 mm(2) including a 12-bit DAC. The measured DDFS spurious-free dynamic range (SFDR) is greater than 78 dB using a reduced ROM with 8-bit phase, 12-bit amplitude resolution and a size of 0.09 mm(2). The total power consumption of the DDFS is 200)mW with a 3.3-V power supply.
关键词Cmos Integrated Circuits
学科领域人工智能
主办者Japan Soc Appl Phys.; IEEE Solid-State Circuits Soc.; Inst Elect Informat & Commun Engeers Japan.; IEEE Elect Dev Soc.
收录类别其他
语种英语
文献类型会议论文
条目标识符http://ir.semi.ac.cn/handle/172111/10036
专题中国科学院半导体研究所(2009年前)
通讯作者Dai, FF, Auburn Univ, Dept Elect & Comp Engn, Auburn, AL 36849 USA. 电子邮箱地址: fasterdai@auburn.edu; wnni@red.semi.ac.cn; yshi@red.semi.ac.cn; jaeger@eng.auburn.edu
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Dai, FF,Ni, WN,Yin, S,et al. A direct digital frequency synthesizer with fourth-order phase domain Delta Sigma noise shaper and 12-bit current-steering DAC[C]. 445 HOES LANE, PISCATAWAY, NJ 08855 USA:IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC,2006:41 (4): 839-850.
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