Rectangular Waveguide Filters Using Photoimageable Thick-film Processing

Author

Aftanasar, M.S. ; Young, P.R. ; Robertson, I.D.

Author_Institution

Microwave System and Research Group (MSRG), School of Electronics, Computing and Mathematics, University of Surrey, Guildford, Surrey, GU2 7XH, U.K. Tel: ++44(0)1483 259869, Fax: ++44(0)1483 876081, Email: eep6ma@eim.surrey.ac.uk

fYear

2002

fDate

23-26 Sept. 2002

Firstpage

1

Lastpage

4

Abstract

Band-pass H-plane offset Rectangular Waveguide filters at W-Band (75-110GHz) and F-Band (90-140GHz) are presented. The filters are designed using multilayer thick-film processing with Alumina as a base. The process incorporates photoimageable thick-film paste for better precision and sharpness at the corners of the offsets. The filters do not require any tuning and are described with regard to their manufacture and measurement results. The centre frequencies are 85GHz and 105GHz and their relative bandwidths are Â¿ 10%. The filters are de-embedded using a specially designed calibration set which uses the multiline TRL technique. Insertion loss of 5 dB and return loss less than 15 dB is measured for waveguide thickness of 18Â¿m.

Keywords

Band pass filters; Bandwidth; Calibration; Frequency; Insertion loss; Loss measurement; Manufacturing; Nonhomogeneous media; Rectangular waveguides; Tuning;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 2002. 32nd European

Conference_Location

Milan, Italy

Type

conf

DOI

10.1109/EUMA.2002.339213

Filename

4140293