Abstract

This paper presents the design of microwave cavity band pass filter and analyzes the quality factor and insertion loss upto 60GHz .This paper discusses the performance of a cavity filter for different size of cavity at different frequencies upto 60GHz with calculation of quality factor and insertion loss. This type of microwave cavity filter will be useful in any microwave system wherein low insertion loss and high frequency selectivity are crucial, such as in base station, radar and broadcasting system. It is shown that the basis for much fundamental microwave filter theory lies in the realm of cavity filters, which indeed are actually used directly for many applications at microwave frequencies as high as 60 GHz. Many types of algorithm are discussed and compared with the object of pointing out the most useful references, especially for a researcher to the field.

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