Vol 24, No 2 (2020) > Electrical and Electronics Engineering >

Microstrip Filters: A Review of Different Filter Designs Used in Ultrawide Band Technology

Hussain Bohra 1 , Giriraj Prajapati 2


  1. Department of Electronics and Communication Engineering, Sir Padampat Singhania University, Udaipur 313601, India
  2. Department of Electronics and Communication Engineering, Sree Chaitanya College of Engineering, Telangana 505527, India


Abstract: In this paper, optimization techniques while designing microstrip bandpass ultra-wideband (UWB) filters are presented. Optimization based on various defected ground structure techniques, resonator designs and type of dielectric materials are discussed. Microstrip bandpass filters implemented at UWB frequency bands employed in wireless communication systems have key features to control frequency response in its passband as well as stopband. Optimization techniques are studied to attain optimum performance of bandpass microstrip filters to gain minimum insertion loss, higher selectivity, compactness, sharp transitions at cut off frequencies, high return loss and good linearity. Extensive study reflects that proper selection of fabrication techniques and type of material optimizes the performance of microstrip filter design and hence increases its practicability for emerging wireless communication systems.
Keywords: bandpass filter, microstrip, optimization, resonator, ultra wideband
Published at: Vol 24, No 2 (2020) pages: 79-86

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