13 GHz Programmable Frequency Divider in 65 nm CMOS

被引:0
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作者
Kang, Jian [1 ]
Qin, Peng [1 ]
Li, Xiaoyong [1 ]
Mo, Tingting [1 ]
机构
[1] Shanghai Jiao Tong Univ, Ctr Analog RF Integrated Circuits CARFIC, Sch Microelect, Shanghai 200240, Peoples R China
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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 presents a CMOS high speed frequency divider which can operate at up to 13GHz. The divider core is composed of a divide by 8/9 dual modulus prescaler and a programmable digital counter. The divide by 8/9 dual modulus prescaler is realized by CML structure which operates around 6GHz. The digital counter is composed of logic gates and TSPC D flip-flops which operate at around 700MHz. The total division ratio is programmable and controlled by the input to the digital counter. The proposed frequency divider is designed and simulated in a 65 nm CMOS process and is capable of working robustly over the process, voltage supply, and temperature (P.V.T) variations.
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页码:1406 / 1408
页数:3
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