Media type: E-Article Title: A 2.6–3.4 GHz Fractional- $N$ Sub-Sampling Phase-Locked Loop Using a Calibration-Free Phase-Switching-Sub-Sampling Technique Contributor: Liang, Zhipeng; Yi, Xiang; Yang, Kaituo; Boon, Chirn Chye imprint: Institute of Electrical and Electronics Engineers (IEEE), 2018 Published in: IEEE Microwave and Wireless Components Letters Language: Not determined DOI: 10.1109/lmwc.2017.2779889 ISSN: 1531-1309; 1558-1764 Keywords: Electrical and Electronic Engineering ; Condensed Matter Physics Origination: Footnote: