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- W809133741 abstract "This thesis presents two frequency switchable micro strip line filters. It also presents athird filter that has the potential for frequency and bandwidth reconfiguration. All ofthese filters are reconfigured using an optically activated silicon switch. This methodof tuning is very simple, cheap, and effective. Three new, fixed frequency, filterswere also developed as a bi-product of the research presented in this thesis. Thesefilters are smaller than their predecessors, or conventional counterparts. TwoMetallodielectric Electromagnetic BandGap (MEBG) low-pass filters, numberamongst the new filter designs. These low-pass filters offer a sharper rate of cut-offthan is associated with the conventional stepped-impedance filter. They also providea deep, broad, and well defined stop-band. A miniatursed triangular patch band-passfilter is also presented. This work develops on research by Hong, Lancaster, et al.Design equations and/or modelling aids are presented for each of the new filterstructures. On occasions these modelling aids take the form of a lumped-elementequivalent circuit together with a series of polynomial equations for determining theelement values. Modelling aids, of this nature, are presented for the cymbal resonatorband-pass filter. The study into frequency tuneable filters led to an investigation of aparticular conduct polymer and the production of a tutorial on dielectricmeasurement." @default.
- W809133741 created "2016-06-24" @default.
- W809133741 creator A5089385391 @default.
- W809133741 date "2006-01-01" @default.
- W809133741 modified "2023-09-26" @default.
- W809133741 title "Planar microwave filters with reconfigurable or enhanced characteristics" @default.
- W809133741 hasPublicationYear "2006" @default.
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