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Browsing by Author "Nassar, Shamim O."

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Challenges of first-time lecturing of an RF/microwave engineering course in a Kenyan university

Nassar, Shamim O. (2022-06-02)
An investigation of the equivalence between combline and evanescent-mo de waveguide filters and of aspects related to reduction of manufacturing costs for combline filters

Nassar, Shamim O. (2022-06-02)

An investigation of the functional similarities and differences between a combline filter and an evanescent-mode waveguide filter is presented. The design theory of the two types of filters is outlined. Two filters are ...
Miniaturised multilayer RF and microwave circuits

Nassar, Shamim O. (2022-06-02)

Ceramic and laminate multilayered technologies are explored in the design of novel circuit topologies and in novel implementations of classical circuit topologies. A cross-slot coupled filter topology implemented in folded ...
Pedestal substrate integrated waveguide resonators and filters

Nassar, Shamim O.; Meyer, Petrie (The Institution of Engineering and Technology, 2017)

A new substrate integrated waveguide resonator in the form of a square- or cross-shaped pedestal is proposed. The structure is developed from T-shaped ridge waveguides, and utilises the mode separation characteristics of ...
An S-band combline filter with reduced size and increased pass-band separation

Nassar, Shamim O.; Meyer, P.; van der Walt, P. W. (IEEE, 2015)

An S-band combline filter with improved passband separation is presented. The filter utilizes a perturbed housing to increase the capacitive end-loading of the resonators, thereby reducing the length and increasing the ...

Browsing by Author "Nassar, Shamim O."

Browsing by Author "Nassar, Shamim O."

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