Demonstration of a W-band microstrip parallel coupled-line bandpass filter in GaAs technology

Lok, L.B., Hwang, C.-J., Thayne, I.G. and Elgaid, K. ORCID: https://orcid.org/0000-0003-3265-1097 2010. Demonstration of a W-band microstrip parallel coupled-line bandpass filter in GaAs technology. Presented at: IET Seminar on Passive RF and Microwave Components, Birmingham, UK, 21-21 Feb 2012. Passive RF and Microwave Components. IEEE, p. 37. 10.1049/ic.2010.0174

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Abstract

In this paper, we demonstrate the performance of a W-band (75-110GHz) parallel coupled-line bandpass filter implemented using a new in-house GaAs microstrip technology. The MMIC process at the University of Glasgow has recently been advanced to incorporate a new process module that includes wafer thinning, through-substrate via etching and backside processing capabilities. This enables the realization of microstrip and grounded coplanar waveguide monolithic circuits for microwave and millimetre-wave applications from a UK source [1]. To demonstrate an example of the high frequency performance of this new process module, a parallel coupled-line bandpass filter has been designed and realized on a 50μm thickness semi-insulating GaAs substrate.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Schools > Engineering
Publisher:	IEEE
ISBN:	9781849192347
Last Modified:	04 Nov 2022 12:17
URI:	https://orca.cardiff.ac.uk/id/eprint/122518

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