A coplanar ring power divider with high isolation for V-band and W-band applications

Li, C. , Lok, L.B., Khalid, A. , Papageorgiou, V., Grant, J. and Cumming, D. (2013) A coplanar ring power divider with high isolation for V-band and W-band applications. In: 42nd European Microwave Conference (EuMC), Amsterdam, The Netherlands, 29 Oct- 01 Nov 2012. IEEE: New York, NY, USA, pp. 57-60. ISBN 9781467322157

Li, C. , Lok, L.B., Khalid, A. , Papageorgiou, V., Grant, J. and Cumming, D. (2013) A coplanar ring power divider with high isolation for V-band and W-band applications. In: 42nd European Microwave Conference (EuMC), Amsterdam, The Netherlands, 29 Oct- 01 Nov 2012. IEEE: New York, NY, USA, pp. 57-60. ISBN 9781467322157

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Abstract

We present the design, fabrication and measurement of an in-phase equal power ring divider exhibiting ultra wideband isolation, transmission and port matching. The design uses coplanar techniques to achieve a compact and uniplanar design. The device has been fabricated using a single metal level GaAs monolithic microwave integrated circuit (MMIC) process with electron beam airbridge technology. The device has a dimension of 0.6 mm×0.6 mm including test pads. The measured in-band insertion loss is 1.3 dB and the port match is better than 18 dB over the frequency range from 44 GHz to 110 GHz. The output port-to-port isolation is better than 20 dB over the entire measured frequency range from 10 MHz to 110 GHz. Full-wave simulation results show this performance up to 118 GHz.

Item Type:Book Sections
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Lok, Dr Lai Bun and Li, Dr Chong and Grant, Dr James and Khalid, Dr Ata-ul-Habib and Cumming, Professor David and Papageorgiou, Mr Vasileios
Authors: Li, C., Lok, L.B., Khalid, A., Papageorgiou, V., Grant, J., and Cumming, D.
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Research Group:MicroSystem Technology
Publisher:IEEE
ISBN:9781467322157

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
497131Novel Thermal Management Concepts: High Power High Frequency Planar Gunn DiodeDavid CummingEngineering & Physical Sciences Research Council (EPSRC)EP/H011862/1ENG - ENGINEERING ELECTRONICS & NANO ENG