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Microwave Passive Circuit Design without Hardware Prototyping – How Close it Comes with State-of-Art Electromagnetic Simulation Recent years have brought enormous progress in electromagnetic simulation methods and tools. Microwave engineers are often under pressure to deliver new designs extremely fast and thus tempted to skip the hardware prototyping phase. However, they areoften confused about what kind of electromagnetic simulation methods and/or tools should be used for a particular scope of applications, and whether the simulation accuracy can be fully trusted. The lecture is supposed to try and bridge the gap between the electromagnetic modeling research and practical microwave design. The lecture will start with a review of different electromagnetic simulation methods and their ability to deal with specific problems, as well as their accuracy versus applied computer resources. The theory will then be illustrated with examples of design based on time-domain electromagnetic simulation. The influence of various simulation parameters on obtained results will be discussed in detail. The actual set of examples will be adjusted to the profile and interests of the prospective audience. It may include such areas of applications as: waveguide components - polarisers, OMT's,diplexers, filters - transitions, junctions and couplings between different kinds of transmission lines, planar components (in microstrip and coplanar technologies), coaxial connectors, antennas and antenna feeding structures, dielectric waveguides and resonators, periodical (like slow-wave) structures, and quasi-optical components. |
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