COPLANAR AND BROADSIDE COUPLED FINLINE SIX PORT HYBRIDS V.K.Tripathi and A.Biswas Department of Electrical and Computer Engineering Oregon State University Corvallis, OR. 97331 ; U.S.A. ABSTRACT: Coupled three finline structures are analyzed for application as power dividers and couplers in terms of the normal mode parameters of the structures. These hybrids are then realized for the desire

BIASABLE BALANCED PLANAR BALUN B Mayer, R Knoechel* MIXERS AND FREQUENCY DOUBLERS USING A NEW ABSTRACT Broadband balanced diode mixers and frequency doublers are presented which employ a new planar balun. The circuits can be biased easily. Typical conversion loss and noise figure for the mixers are below 6 dB at X-band. The frequency doublers show a conversion loss of about 10 dB and an is

APPLICATION CIRCUITS D.Leistner*, ABSTRACT OF COPLANAR WAVEGUIDE FREQUENCIES. MICROWAVE INTEGRATED AT C- AND Ku-BAND W.Schmid* and G.Eggers* Several Coplanar Waveguide (CPW) Structures are investigated theoretically and realised on Alumina substrates using thinfilm technology. Shorted and open-ended stub elements, CPW-Microstrip and CPW-Slotline transitions, directional couplers and broadb

IMPROVEMENTS OF SPECTRAL DOMAIN ANALYSIS TECHNIQUES FOR ARBITRARY PLANAR CIRCUITS T. Becks and I. Wolff* ABSTRACT Spectral domain analysis techniques using roof-top functions as expansion functions for the surface current density have proofed to lead to a flexible tool for the calculation of arbitrarily shaped planar microwave structures. Several improvements of this method e.g. the introduction

SPECTRAL DOMAIN COMPUTATION OF MULTICONDUCTOR COPlANAR STRUC11IRF.S FOR MMIC APPUCATIONS INCLUDING DISPERSION, LOSS AND FINITE GROUND PlANE Godfrey Kibuuka and lDgo Wolff ABSTRACT: The propagation characteristics of coplanar structures (i.e. coplanar waveguides with coupled centre strips) based on full wave spectral domain analysis are presented and discussed. As an example of multiconductor copla

THE CHARACTERISTICS OF RECTANGULAR T-SEPTUM WAVEGUIDE AS UNIT OF EQUIPMENT FOR MICROWAVE HEATING OF MATERIALS V.A.KOLOMEITSEV*, ABSTRACT The eigenparameters and eigenfields of rectangular T-septum. waveguide with lossy and loss1ess dielectric in region of capacity gap is ana1ysed for purposes of microwave power techniques. V.V.YAKOVLEV** 

MICROWAVE G.S. Hobson*, CLASSIFICATION H. Roe** & J.P. OF ROAD VEHICLES Hawley*. ABSTRACT. Classification of road vehicles into different groups has been achieved using a Doppler microwave technique. Results are given showing the success achieved in grouping vehicles into three classes. 

SPATIALLY RESOLVED RESISTIVITY MEASUREMENTS IN SEMICONDUCTOR WAFERS USING MICROWAVE TECHNIQUES S. Bothra* and J. M. Borrego** ABSTRACT In this paper we present a 35 Ghz microwave reflection system which we have used for measuring the resistivity of. semiconductor wafers. By using a tapered parallel plate antenna for directing the microwave radiation on to the wafer there is no need for placing the

SENSOR FOR THE MEASUREMENT OF PRESSURE Matti Fischer*, Kari Kirjavainen**, Pertti Vainikainen*, Ebbe Nyfors* ABSTRACT Preliminary performed. The dimensions pressure a voltage tests The for a sensor sensor of plastic for measuring with air cells. When pressure When as a function is applied as substrate of location on the film, in a stripline with a pulse discontinuity were the the or

MICROWAVE TECHNIQUE FOR THE ON-LINE DETERMINATION UNBURNT CARBON IN FLY ASH OF N G Cutmore, S I Doumit and T G Evans. ABSTRACT The CSIRO Division of Mineral and Process Engineering has developed a microwave technique for the on-line detennination of un burnt carbon in fly ash from coal-fired power stations. A laboratory evaluation of the technique has been made using 20 fly ash samples from si