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  • Author: G.A.Pearson and L.M.Devlin
This paper presents a review of waveguide packaging techniques and issues, with particular reference to the millimetre wave frequency range. The term waveguide package is used in this context to refer to a package, with one or more waveguide interfaces, containing active components. In addition to the waveguide interface to the package, waveguide modes within the package housing must be considered. Any housing or package can effectively be a waveguide provided it is large enough. In most instances RF packages are small enough that waveguide modes need not be considered. However, with the ever more common usage of the millimetre wave frequency range, the existence and control of waveguide modes within a package must usually be considered. Applications for the millimetre wave frequency range have driven the requirement to design fully