Knowledge Centre
Find a document written by the best international scientists in our secure database.
24776 documents found.
Probe Pad Structures for Multi Module Scheme at 76GHz Band
Probe Pad Structures for Multi Module Scheme at 76GHz Band Debasis Dawn, Yoji Ohashi, and Toshihiro Shimura Wireless Communication Systems Laboratory, Company Mail No. L/41 Fujitsu Laboratories Ltd. 1-1 Kamikodanaka 4 Chome, Nakahara ku, Kawasaki 211-8588, Japan. Tel: +81-44-754-2647 Fax: +81-44-754-2646 e-mail: deb@flab.fujitsu.co.jp Abstract- A novel type of probe pad structures for coplanar li
38GHz Aluminum Coplanar Waveguides on Silicon
38GHz Aluminum Coplanar Waveguides on Silicon C. Schöllhorn, Member, IEEE, W. Zhao, E. Kasper, Member, IEEE Universität Stuttgart, Institut für Halbleitertechnik, Pfaffenwaldring 47, 70569 Stuttgart, Germany e-mail : schoellhorn@iht.uni-stuttgart.de Abstract The loss mechanisms of aluminum coplanar waveguides on silicon are separated into their main components. With means of S-parameter- and CVme
A Study of High Frequency Performance of Coplanar Waveguide as a Function of Substrate Thickness
A Study of High Frequency Performance of Coplanar Waveguide as a Function of Substrate Thickness R.J.Collier1, D.L.Edgar, J.Yip1, A.K.Jastrebski1, D.Li1, K.Elgaid, H.McLelland, S.Ferguson, F. Williamson, A. Ross, F.Doherty2, I.G.Thayne Nanoelectronics Research Centre, Department of Electronics and Electrical Engineering, University of Glasgow, Glasgow G12 8LT, Scotland. Phone: +44 141 330 6678, Fa
Miniaturizing Antennas for Personal Communication Systems (PCSs)
Miniaturizing Antennas for Personal Communication Systems (PCSs) O. Staub, J.-F. Zürcher, A.K. Skrivervik and J.R. Mosig Laboratory of Electromagnetics and Acoustics Ecole Polytechnique Fédérale de Lausanne (LEMA-EPFL) CH-1015 Lausanne, Switzerland, http://lemawww.epfl.ch/ Abstract PCS (Personal Communication System) devices have become an important part of everyday life. The pressure to design s
A High Performance K-Band Diplexer using High-Q Micromachined Cavities
A High Performance K-Band Diplexer using High-Q Micromachined Cavities Michael J. Hill, John Papapolymerou and Richard W. Ziolkowski Department of Electrical and Computer Engineering The University of Arizona, Tucson, AZ 85721-0104 E-mail: hillm@ece.arizona.edu Abstract - Microwave diplexers are often used on transmit / receive systems to isolate a power transmit stage from a sensitive receive sta
RADIANT MICROWAVE FILTER FOR TELECOMMUNICATIONS USING HIGH Qu DIELECTRIC RESONATOR
RADIANT MICROWAVE FILTER FOR TELECOMMUNICATIONS USING HIGH Qu DIELECTRIC RESONATOR H. BLONDEAUX, D. BAILLARGEAT, S. VERDEYME, P. GUILLON * A. CARLIER, Y. CAILLOCE, E. ROGEAUX ** E-mail: blondeau@ircom.unilim.fr * IRCOM -U.M.R C.N.R.S. 6615 University of Limoges ,123 av A.Thomas 87060 Limoges cedex France ** ALCATEL Space Industries , 26 Av J-F. Champollion B.P. 1187 -31037 Toulouse cedex France A
Compact Dielectric Loaded Combline Filter with Low Insertion-loss
Compact Dielectric Loaded Combline Filter with Low Insertion-loss Joseph M Chuma and Dariush Mirshekar-Syahkal University of Essex, Colchester, UK jmchum@essex.ac.uk dariush@essex.ac.uk Abstract - A new compact combline filter structure with very low insertion-loss, is proposed. This structure, which offers 75% saving in space as compared with its air-filled counterpart, uses combline (coaxial)
Tuneable Irises For Rectangular Waveguide Filter
Tuneable Irises For Rectangular Waveguide Filter T.P.Vuong*, G.Fontgalland*, R.Crampagne*, H.Baudrand* and C. Zanchi** (*) Laboratoire d'Electronique, ENSEEIHT, 2 rue Camichel, 31071 TOULOUSE CEDEX 7, France Email : VUONG@len7.enseeiht.fr (**) CNES, 18 avenue Edouard Belin, 31401, TOULOUSE, France Email : Christine.Zanchi@cnes.fr Abstract - This paper describes a rigorous method for modelling s
Waveguide Filters with Improved Stopband Performance
Waveguide Filters with Improved Stopband Performance G. Goussetis and D. Budimir Wireless Communications Research Group, Department of Electronic Systems Westminster University, London W1M 8JS, UK gousseg@wmin.ac.uk budimid@wmin.ac.uk Abstract - A waveguide bandpass filter with improved stopband performance is presented. The predicted filter performance shows improved stopband performance and red
A Wireless Video Home-link Using 60GHz Band: a Proposal of Antenna Structure
A Wireless Video Home-link Using 60GHz Band: a Proposal of Antenna Structure Seiji Nishi, Kiyoshi Hamaguti, Toshiaki Matui, Hiroyo Ogawa Oki Electric Industry Co., Ltd. Communication Research Laboratory, M.P.T nishi646@oki.co.jp hamaguti@crl.go.jp matsui@crl.go.jp hogawa@crl.go.jp Abstract This paper describe the broad band antennas for a wireless video homelink. 8x8 circular waveguide array an