Ridge Waveguides and Passive Microwave Components

Inbunden, Engelska, 2000

2 389 kr

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The ridge waveguide, which is a rectangular waveguide with one or more metal inserts (ridges), is an important transmission line in microwave engineering, through which many passive components can be achieved. As such it is a well-established and widely used element in commercial electronics and communications devices. This book collects together much of the work of Professor Helszajn, an international authoriy in the field, and will enable the reader to have direct access to this material without need for exhaustive search of research papers. Generously illustrated, it is likely to become the definitive reference source on this topic. The book includes closed-form and finite element calculations of the propagation constant, attenuation and mode spectrum for the ridge waveguide, as well as power-current and power-voltage definitions of impedance. Circular polarisation is also treated. Propagation properties where the waveguide has a dielectric filler are calculated. The treatment is then extended to more complex designs, including quadruple ridge waveguides with and without a gyromagnetic filler. The text includes descriptions of many of the passive devices which can be realised using these waveguides, including isolators, phase shifters and circulators. A treatment of the finline waveguide is included as its geometry is closely related to that of the ridge waveguide, leading to components such as the 3-port finline calculator.

Produktinformation

Utgivningsdatum2000-06-30
Mått156 x 234 x 23 mm
Vikt683 g
FormatInbunden
SpråkEngelska
SerieElectromagnetic Waves
Antal sidor344
FörlagInstitution of Engineering and Technology
ISBN9780852967942

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Elektronik och kommunikationer inom Naturvetenskap och teknik

Professor Joseph Helszajn OBE is an international authority on nonreciprocal microwave circuits and devices. After industrial experience in the USA he obtained his Ph.D. from the University of Leeds and spent much of his academic career at Heriot-Watt University, where he founded its microwave laboratory. A Fellow of the IEE and IEEE, he acted as an Honorary Editor of the IEE Proceedings for 18 years and has published 11 books. In 1995 he was awarded the IEE JJ Thomson Medal.

Chapter 1: The ridge waveguideChapter 2: Propagation and impedance in rectangular waveguidesChapter 3: Impedance and propagation in ridge waveguides using the transverse resonance methodChapter 4: Fields, propagation and attenuation in double ridge waveguideChapter 5: Impedance of double ridge waveguide using the finite element methodChapter 6: Characterisation of single ridge waveguide using the finite element methodChapter 7: Propagation constant and impedance of dielectric loaded ridge waveguide using a hybrid finite element solverChapter 8: Circular polarisation in ridge and dielectric loaded ridge waveguidesChapter 9: Quadruple ridge waveguideChapter 10: Faraday rotation in gyromagnetic quadruple ridge waveguideChapter 11: Characterisation of discontinuity effects in single ridge waveguideChapter 12: Ridge cross-guide directional couplerChapter 13: Directly coupled filter circuits using immittance invertersChapter 14: Ridge waveguide filter design using mode matching methodChapter 15: Nonreciprocal ridge isolators and phase-shiftersChapter 16: Finline waveguideChapter 17: Inverted turnstile finline junction circulatorChapter 18: Semi-tracking ridge circulatorChapter 19: Variational calculus, functionals and the Rayleigh-Ritz procedure

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