The design of monolithic AC-coupled 1-dimensional Voltage-Controlled- Oscillators (VCOs) phased-array network

Donald Y.C. Lie, J. Lopez

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

1 Scopus citations

Abstract

A fully monolithic 1-Dimensional (1-D) AC-coupled Voltage-Controlled- Oscillators (VCOs) phased-array network design will be presented in this paper. This radio-frequency (RF) VCO array integrates on-chip inductors, varactors and bias current sources and it contains an odd number of VCOs AC-coupled through on-chip switchable resistor networks using MOSFETs. The measured results and SPICE simulated performance of the monolithic unit cell VCO agree reasonably well. Realistic circuit simulations in IBM 7HP 0.18um BiCMOS design kit indicate promising results of the 1-D coupled-VCO array by showing the design can control the phasing of this on-chip VCO-array by means of tuning the edge elements and/or by varying the coupling strength via different resistor values using the on-chip MOSFET switches. Simulation data shows that it can offer high directivity and a possible element-to-element phase tuning arrangement that allows a ∼±20-30° degree coverage from broadside without the need for phase shifters or additional circuitry complexity. This AC-coupled 1-D VCO array, therefore, shows great potential for RF active antennas applications to perform wide angle beam steering for the highly used S-band.

Original languageEnglish
Title of host publicationInternational Conference on Applications in Nonlinear Dynamics, ICAND 2010
Pages128-140
Number of pages13
DOIs
StatePublished - 2011
EventInternational Conference on Applications in Nonlinear Dynamics, ICAND 2010 - Lake Louise, AB, Canada
Duration: Sep 21 2010Sep 24 2010

Publication series

NameAIP Conference Proceedings
Volume1339
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference on Applications in Nonlinear Dynamics, ICAND 2010
CountryCanada
CityLake Louise, AB
Period09/21/1009/24/10

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    Lie, D. Y. C., & Lopez, J. (2011). The design of monolithic AC-coupled 1-dimensional Voltage-Controlled- Oscillators (VCOs) phased-array network. In International Conference on Applications in Nonlinear Dynamics, ICAND 2010 (pp. 128-140). (AIP Conference Proceedings; Vol. 1339). https://doi.org/10.1063/1.3574851