Design and Analysis of Stub Loaded Resonator
G. Gaswin Kastro1, M. C. John Wiselin2

1G. Gaswin Kastro, Bharath Institute of Higher Education and Research, Chennai (Tamil Nadu), India.
2M. C. John Wiselin, Vidya Academy of Science and Technology Technical Campus, Kilimanoor (Kerala), India.
Manuscript received on 03 June 2019 | Revised Manuscript received on 28 June 2019 | Manuscript Published on 04 July 2019 | PP: 272-283 | Volume-8 Issue-1S4 June 2019 | Retrieval Number: A10480681S419/2019©BEIESP
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Abstract: Microwave filters are an important component in front end receiver of microwave communication system. They are used for passing frequency components within a particular pass band and to reject the interfering signal outside of that operating frequency band. Their functionality also includes to reject the unwanted product from the output of the mixers and amplifiers, and to set the IF bandwidth of the IF receiver. Important parameters include cutoff frequency, insertion loss, out of the band attenuation rate measured in dB per decade of the frequency. Filters with sharper cutoff frequency provide more rejection for out of the band signals. Insertion loss, measured in dB, is the amount of attenuation seen by signal through the pass band of the filter. Size requirement for most of the Personal Communication Systems require filters to be compact in size and wideband. This work presents design of Microwave filters in Global System for Mobile and Wireless Local Area Network Bands. Afterwards, a detailed analysis for designing filters with these requirements in presented. First, a Conventional T Shape Bandpass Filter is presented. Consequently, A Modification in T Shape Microstrip Bandpass Filter is presented with considerable size reduction.
Keywords: Design Analysis Communication Component Network.
Scope of the Article: Low-power design