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Title: A 20.2–57.1 GHz Inductor-less Divide-by-4 Divider Chain
Authors: Yi, Xiang
Liang, Zhipeng
Boon, Chirn Chye
Keywords: Frequency Conversion
Issue Date: 2017
Source: Yi, X., Liang, Z., & Boon, C. C. (2017). A 20.2–57.1 GHz inductor-less divide-by-4 divider chain. 2017 Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL), 1312-1318.
Abstract: In this paper, a 20.2 GHz to 57.1 GHz inductor-less divide-by-4 divider chain based on STMicroelectronics 65nm CMOS technology is presented. As the frequency increasing to millimeter-wave (mm-wave), the divider design becomes more and more challenging, especially in terms of locking range and power consumption. We proposed a divide-by-2 current mode logic (CML) divider with dynamic loads and merged clock switches, followed by a divide-by-2 injection-locked frequency divider (ILFD) with multi-phase input, to obtain compact area and wide locking range with low power consumption. The measurement results show that the locking range of the divider chain is from 20.2 GHz to 57.1 GHz, or 95% without tuning, with 2dBm input power. The measured power consumption is about 11.5mW at 1.2V supply. Since no inductor is used in our dividers, the area of core circuit is only 30μm by 50 μm.
DOI: 10.1109/PIERS-FALL.2017.8293334
Rights: © 2017 IEEE.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Conference Papers

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