COMPUTER ANALYSIS OF NEW MICROWAVE DEVICES AND/OR MONOLITHIC CIRCUIT TECHNIQUES

THIS PROPOSAL SUGGESTS A NEW METHODOLOGY, MADE PRACTICAL BY NEW HARDWARE, TO EFFICIENTLY OBTAIN OPTIMUM DESIGN PARAMETERS FOR MILLIMETER WAVE CIRCUITS. THE TECHNIQUE IS BASED ON THE TIME DOMAIN FINITE DIFFERENCE (TDFD) APPROACH TO THE TIME ADVANCING OF MAXWELL'S EQUATIONS. THE SCATTERING MATRIX AND OTHER PARAMETERS CAN BE READILY DETERMINED OVER THE DESIRED FREQUENCY DESIGN RANGE. THE METHOD'S ADVANTAGES ARE PRIMARILY IN THE AREAS OF LARGE AND COMPLICATED CIRCUITS, WHICH CAN BE ANALYZED MORE RAPIDLY THAN WITH ANY OTHER METHOD. THE ADVANTAGES LIE IN BEING ABLE TO ANALYZE LARGE PROBLEMS MORE RAPIDLY. ANTICIPATED BENEFITS/POTENTIAL COMMERCIAL APPLICATIONS - COMPLICATED MILLIMETER WAVE CIRCUITRY PRESENTLY OFTEN REQUIRES A LENGTHY ITERATIVE APPROACH INCLUDING EXTENSIVE EXPERIMENTATION. THE ITERATIVE PROCEDURE IS BECAUSE INTERACTION OF SCATTERING OBJECTS IN NEW AND COMPLEX GEOMETRIES CANNOT BE READILY HANDLED BY EXISTING DESIGN TOOLS. THE PROPOSED APPROACH WILL BE MADE AVAILABLE TO THE DESIGNERS OF SUCH CIRCUITS FOR PURPOSES OF GREATLY IMPROVING THE ACCURACY OF THE FIRST DESIGN AND FOR ANALYZING EXPERIMENTAL TIME-DOMAIN RESULTS.