MICROWAVE FM-SIGNAL DISCRIMINA'l'OR CIRCUI'l' USING DIELECTRIC RESONA'l'ORS M.L. Majewski* ABSTRACT A novel dielectric microwave resonators FM- signal operated discriminator circuit in the HE116 mode. is The described resonators using are co-axially mounted into an evanescent-mode cylindrical cavity and coupled with the input and output ports through electrical probes. The balanced-slope tr

DESIGN OF A SUPERELLIPTIC WAVEGUIDE POLARIZER B. Ladanyi-Tur6czyX .ABSTRACT A computer aided design method of a new, superelliptical waveguide polarizer is presented in this paper. The principle of operation of the polarizer is explained, and the design procedure is described. A superelliptical waveguide with two "Gaussian!! tapered matching sections is proposed for the purpose of realizing a

LARGE SCALE MINIMAX OPTIMIZATION OF MICROWAVE MULTIPLEXERS J.W. Bandler*t, S.H. Chen*, S. Daijavad*, W. Kellermann*, M. Renault* and Q.J. Zhang* ABSTRACT A new technique for contiguous-band multiplexer design involving an arbitrarily large number of channels and design parameters is described. The technique, based on network decomposition and sensitivity measures of practical microwave mul

AN ELECTRONICALLY TRANSITION TIME u. Goebel, Abstract SWITCHABLE FERRITE CIRCULATOR WITH NANOSECOND Ch. Schieblich A new principle for switchable circulators is presented. Circulation sense is reversed by means of semiconductors in the RF circuit instead of reversing the magnetic bias field. A circulator is realized with a transition time of one nanosecond. 



HIGH SENSITIVITY FULL WAVEGUIDE Ku-BAND HARMONIC MIXER R. G. Hicks* ABSTRACT The design of a full waveguide band harmonic mixer with vastly improved sensitivity covering the band 12.4 18.0 GHz is described. Details of the design of the mixer mount configuration together with the design of the diplexer are provided. The mixer, operating at a harmonic number of provides a maximum conversion loss

CONSTANT PHASE SHIFTERS Douglas M. Johnson and. David E. Norton ABSTRACT RF diode limiters produce transmission phase shift proportional to the amount of limiting due to the diode junction capacitance. Circuits are described herein which overcome this problem and provide minimum phase shift over wide bandwidths. 

DESIGN OF OFFSET MICROSTIP-SLOTLINE CENTER FREQUENCIES RING 3 DB DIRECTIONAL COUPLEHS WITH J.Chramiec+ ABSTRACT Principle of operation and analysis of microstrip-slotline ring 3 dB directional couplers featuring an offset between the center frequencies of two coupling characteristics is presented. Potential applications of such couplers include various balanced nonlinear and paralnetric cir

Design and Synthesis of Patch Microwave Couplers + V F Fusco, and J A C Stewart + Abstract This paper describes a simple design and synthesis technique that allows an alternative to the standard quadrature hybrid coupler to be constructed. The alternative coupler consists of a rectangular patch of microstrip material whose dimensions have been selected in order to achieve a specified power

A SCANNING MICROSTRIP ANTENNA ON FERRITE APPLICATION AS DIATHERMY APPLICATOR. G. Sajin, M. Dragoman, SUBSTRATE AND ITS M. C!toiu, A. Corici . ABSTRACT The paper is referred to a microstrip element on a ferrimagnetic substrate which presents some interesting characteristios suitable for radiation in a nonhomogenous medium (biological medium) due to its physical properties. The paper present