DESIGNING WAVEGUIDE COMPONENTS USING HFSS

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HFSS Conference 9th November 2005 Accuracy • A large number of different ways of modelling these polarisers tried • Subdivided model so that could mesh up corrugations more finely • Forced 120,000 tetrahedra in quarter model • Variation in phase in S21 was in the range +/- 0.2 degrees Page 16 of 28
HFSS Conference 9th November 2005 Ring-Loaded Horn • Ringloaded Horn for 8 to 18 GHz with coaixal output • Horn designed using modal-matching software, AXIAL. Length 200 mm Aperture 75 mm • Transition from horn to ridged guide to coax designed using HFSS V8.5 • Whole problem too large for HFSS with only 2 Gbytes RAM Page 17 of 28
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Page 3 and 4: • Circular Polarisation • 1% ba
Page 5 and 6: Input arm Problem area in exit to s
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Page 9 and 10: • Run as quarter model • Run tw
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Page 13 and 14: Quarter Model Draft Angles Included
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DESIGNING WAVEGUIDE COMPONENTS USING HFSS

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