ir. J. He

1. A Low-Spur Fractional-N PLL Based on a Time-Mode Arithmetic Unit
   Gao, Zhong; He, Jingchu; Fritz, Martin; Gong, Jiang; Shen, Yiyu; Zong, Zhirui; Chen, Peng; Spalink, Gerd; Eitel, Ben; Alavi, Morteza S.; Staszewski, Robert Bogdan; Babaie, Masoud;
   IEEE Journal of Solid-State Circuits,
   pp. 1-20, 2022. DOI: 10.1109/JSSC.2022.3209338

2. A 2.6-to-4.1GHz Fractional-N Digital PLL Based on a Time-Mode Arithmetic Unit Achieving -249.4dB FoM and -59dBc Fractional Spurs
   Gao, Zhong; He, Jingchu; Fritz, Martin; Gong, Jiang; Shen, Yiyu; Zong, Zhirui; Chen, Peng; Spalink, Gerd; Eitel, Ben; Yamamoto, Ken; Staszewski, Robert Bogdan; Alavi, Morteza S.; Babaie, Masoud;
   In 2022 IEEE International Solid- State Circuits Conference (ISSCC),
   pp. 380-382, 2022. DOI: 10.1109/ISSCC42614.2022.9731561

3. A DPLL-Based Phase Modulator Achieving -46dB EVM with A Fast Two-Step DCO Nonlinearity Calibration and Non-Uniform Clock Compensation
   Gao, Zhong; Fritz, Martin; He, Jingchu; Spalink, Gerd; Staszewski, Robert Bogdan; Alavi, Morteza S.; Babaie, Masoud;
   In 2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits,
   pp. 14-15, 2022. DOI: 10.1109/VLSITechnologyandCir46769.2022.9830398

4. A 1.33 mW, 1.6 ps rms-Integrated-Jitter, 1.8-2.7 GHz Ring-Oscillator-Based Fractional-N Injection-Locked DPLL for Internet-of-Things Applications
   Gong, Jiang; He, Yuming; Ba, Ao; Liu, Yao-Hong; Dijkhuis, Johan; Traferro, Stefano; Bachmann, Christian; Philips, Kathleen; Babaie, Masoud;
   In 2018 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
   IEEE, pp. 44--47, 2018.

5. A 5.9 GHz RFDAC-based outphasing power amplifier in 40-nm CMOS with 49.2% efficiency and 22.2 dBm power
   Hu, Zhebin; de Vreede, Leo C.N.; Alavi, Morteza S.; Calvillo-Cortes, David A.; Staszewski, Robert Bogdan; He, Songbai;
   In 2016 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
   pp. 206-209, 2016. DOI: 10.1109/RFIC.2016.7508287
   
   Keywords: ...

   CMOS integrated circuits;Modulation;Power generation;Switches;Loading;Dynamic range;Bandwidth;Outphasing power amplifier;Class-E;CMOS power amplifier;Chireix combiner;RFDAC.

6. A wideband 700W push-pull Doherty amplifier
   J. He; J. H. Qureshi; W. Sneijers; D. A. Calvillo-Cortes; L. C. N. deVreede;
   In 2015 IEEE MTT-S International Microwave Symposium,
   pp. 1-4, May 2015.

7. Ultra-low phase noise 7.2 #x2013;8.7 Ghz clip-and-restore oscillator with 191 dBc/Hz FoM
   M. Babaie; A. Visweswaran; Z. He; R. B. Staszewski;
   In 2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC),
   pp. 43-46, June 2013.

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