Electronic beam-steering design for UWB phased array

A novel electronic beam-steering subsystem providing true time-delay technique has been developed for an ultra-wideband (UWB) phased array. The relative time delay for phase interpolation is variable from 100 to 500 ps. Scanned angles from 9deg to 59deg were achieved. The chip is designed using 0.25...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2006-06, Vol.54 (6), p.2431-2438
Main Authors: Chia, M.Y.-W., Teck-Hwee Lim, Jee-Khoi Yin, Piew-Yong Chee, Siew-Weng Leong, Chan-Kuen Sim
Format: Article
Language:English
Subjects:
Antennas
Applied sciences
Beam steering
BiCMOS
Chips
CMOS
Delay effects
Design. Technologies. Operation analysis. Testing
Distortion
Distortion measurement
Electronics
Exact sciences and technology
Impedance matching
Integrated circuits
Interpolation
Microwaves
Phase measurement
phased array
Phased arrays
Pulse measurements
Radiocommunications
Semiconductor device measurement
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Silicon
Telecommunications
Telecommunications and information theory
Time delay
Ultra wideband technology
ultra-wideband (UWB)
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Summary:A novel electronic beam-steering subsystem providing true time-delay technique has been developed for an ultra-wideband (UWB) phased array. The relative time delay for phase interpolation is variable from 100 to 500 ps. Scanned angles from 9deg to 59deg were achieved. The chip is designed using 0.25-mum CMOS silicon operating at 2.5 V, and its outputs are matched to 50 Omega loads using bipolar buffers. The design of the beam-steering architecture will be presented. The measured results of the chip and the UWB phased array, including radiation patterns and pulse-width distortions, will be discussed
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2006.875300