A 0.7V time-based inductor for fully integrated low bandwidth filter applications

Braedon Salz, Mrunmay Talegaonkar, Guanghua Shu, Ahmed Elmallah, Romesh Nandwana, Bibhudatta Sahoo, Pavan Kumar Hanumolu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A time-based gyrator Is presented to Implement active Inductors in an area efficient manner. Using a ring oscillator to integrate the input voltage and a switched transconductor to inject current into the input node, the proposed gyrator achieves inductive input impedance without using either large resistors or capacitors. Realizing the gyrator in this manner makes it amenable for technology scaling. Fabricated in 65 nm CMOS process, the inductor operates from a 0.7 V supply voltage and consumes 528 μW. Measurement results show inductance values in the range of 150 μH to 1.5 mH can be achieved.

Original languageEnglish (US)
Title of host publication38th Annual Custom Integrated Circuits Conference
Subtitle of host publicationA Showcase for Integrated Circuit Design in Silicon Hills, CICC 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509051915
DOIs
StatePublished - Jul 26 2017
Event38th Annual Custom Integrated Circuits Conference, CICC 2017 - Austin, United States
Duration: Apr 30 2017May 3 2017

Publication series

NameProceedings of the Custom Integrated Circuits Conference
Volume2017-April
ISSN (Print)0886-5930

Other

Other38th Annual Custom Integrated Circuits Conference, CICC 2017
CountryUnited States
CityAustin
Period4/30/175/3/17

Keywords

  • VCO
  • active inductor
  • gyrator
  • ring oscillator
  • time-domain signal processing

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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  • Cite this

    Salz, B., Talegaonkar, M., Shu, G., Elmallah, A., Nandwana, R., Sahoo, B., & Hanumolu, P. K. (2017). A 0.7V time-based inductor for fully integrated low bandwidth filter applications. In 38th Annual Custom Integrated Circuits Conference: A Showcase for Integrated Circuit Design in Silicon Hills, CICC 2017 [7993606] (Proceedings of the Custom Integrated Circuits Conference; Vol. 2017-April). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CICC.2017.7993606