A low power V-band LC VCO with high Q varactor technique in 40 nm CMOS process

This is a preview of subscription content, access via your institution.


  1. 1

    Yi X, Boon C C, Liu H. A 57.9-to-68.3 GHz 24.6 mW frequency synthesizer with in-phase injection-coupled QVCO in 65 nm CMOS technology. IEEE J Solid-State Circ, 2014, 49: 347–359

    Article  Google Scholar 

  2. 2

    Luo J, Zhang L, Zhang L, et al. A 24 GHz low power and low phase noise PLL frequency synthesizer with constant KVCO for 60 GHz wireless applications. In: Proceedings of IEEE International Symposium on Circuits and Systems (ISCAS), Lisbon, 2015

    Google Scholar 

  3. 3

    Chen Y M, Wang H, Yan S C, et al. A 10 GHz multiphase LC VCO with a ring capacitive coupling structure. Sci China Inf Sci, 2012, 55: 2656–2662

    Article  Google Scholar 

  4. 4

    Chang Y-H, Chiang Y-C, Yang C-Y. A V-band pushpush VCO with wide tuning range using 0.18 µm CMOS process. IEEE MicrowWirel Comp Lett, 2015, 25: 115–117

    Article  Google Scholar 

  5. 5

    Fei W, Yu H, Fu H, et al. Design and analysis of wide frequency-tuning-range CMOS 60 GHz VCO by switching inductor loaded transformer. IEEE Trans Circ Syst I: Regular Papers, 2014, 61: 699–711

    Google Scholar 

  6. 6

    Li L, Reynaert P, Steyaert M. A 60 GHz CMOS VCO using capacitance-splitting and gate-drain impedancebalancing technique. IEEE Trans Microw Theory Tech, 2011, 59: 406–413

    Article  Google Scholar 

  7. 7

    Weber R, Schwantuschke D, Brückner P, et al. A 67 GHz GaN voltage controlled oscillator MMIC with high output power. IEEE Microw Wirel Comp Lett, 2013, 23: 374–376

    Article  Google Scholar 

  8. 8

    Trivedi V P, Kun-Hin T, Huang W M. A 77 GHz CMOS VCO with 11.3 GHz tuning range, 6 dBm output power, and competitive phase noise in 65 nm bulk CMOS. In: Proceedings of IEEE in Radio Frequency Integrated Circuits Symposium (RFIC), Baltimore, 2011. 1–4

    Google Scholar 

Download references


The authors would like to thank the RF Circuit and System Lab of Hangzhou Dianzi University for the testing supports.

Author information



Corresponding author

Correspondence to Yan Han.

Additional information

The authors declare that they have no conflict of interest.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Zhou, Q., Han, Y., Zhang, S. et al. A low power V-band LC VCO with high Q varactor technique in 40 nm CMOS process. Sci. China Inf. Sci. 60, 089401 (2017). https://doi.org/10.1007/s11432-016-0301-3

Download citation

  • 089401