Abstract
An LC CMOS voltage-controlled oscillator (VCO) working in V-band is presented in this paper. The objective of the paper is to provide CMOS VCO in 60 GHZ under 65 nm process. We have designed the VCO circuit using NMOS cross-coupled pair with source follower PMOS load and simulated in a standard CMOS 65 nm process. For achieving improved phase noise, switchable variable inductors are proposed as tuning elements in this work and included in VCO circuit. Depending on switch states, the inductance and its quality factor vary and so does the phase noise. We have observed the phase noise of VCOs using four different values of inductances. The other parameters observed are oscillation frequency, tuning range, figure of merit, and power consumption. Using the proposed technique, VCO achieves good phase noise of –115.6.2 dBc/Hz and figure of merit of –147.6 dBc/Hz, the best results observed among the designed switchable inductors. Also, wide tuning range, 33.5 GHz/dB, is observed that demonstrates the efficacy of the proposed work.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Similar content being viewed by others
References
Raj C, Suganthi S (2016) Survey on microwave frequency V band: characteristics and challenges. In: 2016 international conference on wireless communications, signal processing and networking (WiSPNET). IEEE
Jin JY, Wu L, Xue Q (2018) A V-band CMOS VCO with digitally-controlled inductor for frequency tuning. IEEE Trans Circuits Syst II Express Briefs 65(8):979–983. https://doi.org/10.1109/TCSII.2018.2795577
Chen Z et al (2017) Linear CMOS $LC$-VCO based on triple-coupled inductors and its application to 40-GHz phase-locked loop. IEEE Trans Microw Theory Tech 65(8):2977–2989. https://doi.org/10.1109/TMTT.2017.2663401
Huang G, Kim S, Gao Z, Kim S, Fusco V, Kim B (2011) A 45 GHz CMOS VCO adopting digitally switchable metal-oxide-metal capacitors. IEEE Microwave Wirel Compon Lett 21(5):270–272. https://doi.org/10.1109/LMWC.2011.2124449
Hsieh H, Lu L (2009) A V-band CMOS VCO with an admittance-transforming cross-coupled pair. IEEE J Solid-State Circuits 44(6):1689–1696. Available: https://doi.org/10.1109/jssc.2009.2020203
Baylon J, Agarwal P, Renaud L, Ali SN, Heo D (2019) A Ka-band dual-band digitally controlled oscillator with −195.1-dBc/Hz FoM ${_T}$ based on a compact high-$Q$ dual-path phase-switched inductor. IEEE Trans Microw Theory Tech 67(7):2748–2758. https://doi.org/10.1109/TMTT.2019.2917671
Rajeshwari S, Vaithianathan V (2017) Design of active inductor based tunable voltage controlled oscillator. In: 2017 international conference on communication and signal processing (ICCSP), Chennai, pp 0879–0883. https://doi.org/10.1109/ICCSP.2017.8286495
Sarika MR, Balamurugan K (2018) High performance CMOS based LC-VCO design using high Q-factor, field shield layered substrate inductor. Int J Pure Appl Math 119(12):13759–13769
Yong Zhan R, Harjani, Sapatnekar SS (2004) On the selection of on-chip inductors for the optimal VCO design. In: Proceedings of the IEEE 2004 custom integrated circuits conference (IEEE Cat. No. 04CH37571), Orlando, FL, pp 277–280. https://doi.org/10.1109/CICC.2004.1358797
Rao PS, Balamurugan K (2019) High performance oscillator design using high-q substrate integrated waveguide (SIW) resonator,. In: 6th international conference on signal processing and integrated networks (SPIN)
Vasudev G, Abhijith S, Akshay M, Menon SK (2020) Direct coupled spiral resonator for band stop filter applications. In: 2020 7th international conference on signal processing and integrated networks, SPIN 2020, pp 520–523
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2022 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
About this paper
Cite this paper
Hariesh, S.K., Reshma, M., Sivakumar Bapu, O.K.C., Vijay Gokul, U., Balamurugan, K. (2022). A 60 GHz CMOS VCO Adapting Switchable High Q Inductors. In: Suma, V., Baig, Z., Kolandapalayam Shanmugam, S., Lorenz, P. (eds) Inventive Systems and Control. Lecture Notes in Networks and Systems, vol 436. Springer, Singapore. https://doi.org/10.1007/978-981-19-1012-8_7
Download citation
DOI: https://doi.org/10.1007/978-981-19-1012-8_7
Published:
Publisher Name: Springer, Singapore
Print ISBN: 978-981-19-1011-1
Online ISBN: 978-981-19-1012-8
eBook Packages: Intelligent Technologies and RoboticsIntelligent Technologies and Robotics (R0)