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http://dx.doi.org/10.5573/JSTS.2016.16.6.860

A 285-fsrms Integrated Jitter Injection-Locked Ring PLL with Charge-Stored Complementary Switch Injection Technique  

Kim, Sungwoo (Inter-University Semiconductor Research Center (ISRC) and the School of Electrical and Computer Engineering, Seoul National University)
Jang, Sungchun (Inter-University Semiconductor Research Center (ISRC) and the School of Electrical and Computer Engineering, Seoul National University)
Cho, Sung-Yong (Inter-University Semiconductor Research Center (ISRC) and the School of Electrical and Computer Engineering, Seoul National University)
Choo, Min-Seong (Inter-University Semiconductor Research Center (ISRC) and the School of Electrical and Computer Engineering, Seoul National University)
Jeong, Gyu-Seob (Inter-University Semiconductor Research Center (ISRC) and the School of Electrical and Computer Engineering, Seoul National University)
Bae, Woorham (Inter-University Semiconductor Research Center (ISRC) and the School of Electrical and Computer Engineering, Seoul National University)
Jeong, Deog-Kyoon (Inter-University Semiconductor Research Center (ISRC) and the School of Electrical and Computer Engineering, Seoul National University)
Publication Information
JSTS:Journal of Semiconductor Technology and Science / v.16, no.6, 2016 , pp. 860-866 More about this Journal
Abstract
An injection-locked ring phase-locked loop (ILRPLL) using a charge-stored complementary switch (CSCS) injection technique is described in this paper. The ILRPLL exhibits a wider lock range compared to other conventional ILRPLLs, owing to the improvement of the injection effect by the proposed CSCS. A frequency calibration loop and a device mismatch calibration loop force the frequency error to be zero to minimize jitter and reference spur. The prototype chip fabricated in 65-nm CMOS technology achieves a $285-fs_{rms}$ integrated jitter at GHz from the reference clock of 52 MHz while consuming 7.16 mW. The figure-of-merit of the ILRPLL is -242.4 dB.
Keywords
Charge-stored complementary switch (CSCS); frequency synthesizer; injection-locked oscillator (ILO); phase-locked loop (PLL);
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