Development of Compact Microwave CPW Band-Stop Filter Based on Sub-wavelength Metamaterial Filter

  • N. Laxmi Narayan Reddy
  • Bibekananda PandaEmail author
Conference paper
Part of the Lecture Notes on Data Engineering and Communications Technologies book series (LNDECT, volume 37)


In this letter, we numerically and experimentally investigate the stop-band performance of coplanar waveguide (CPW) band-stop filter (BSF) that consists of circular complementary split ring resonators (CCSRR) [16]. The measured center frequency (fr) of the BSF is 11.56 GHz with high rejection rate, and the 3-dB BW varies by the number of cascading unit the CCSRR cells are loaded with. It has been observed that a single CSRR in the ground plane provides a very high Q factor and also gives a low stop-band BW with low insertion loss. BSFs with unit CCSRR for designs are designed and calculated. A good agreement between simulated and calculated results is achieved [17]. In addition, the CSRR in CPW configuration can be easily integrated into microwave circuit due to purely planar technology, which is favorable to MMIC designs.




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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Aeronautical Development Agency (ADA)BangaloreIndia
  2. 2.Gandhi Institute for Education and Technology (GIET)BhubaneswarIndia

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