DGS-based Chebyshev low-pass filter for wireless communication

Ashwani Kumar, A. K. Verma

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


This work reports a systematic design of 5-pole and 7-pole low-pass filter using defected ground structures for wireless communication system. The cut-off frequency 5GHz of the LPF has been selected to cover all the wireless communication bands (PCS-1900, UMTS, IMT-2000, ISM, Bluetooth, RFID, WLAN, and WiMAX bands). The sharpness of cut-off improves significantly from 8.3 to 19.2 dB/GHz, 20 dB rejection from 7.1 to 11.6 GHz and the 30 dB rejection bandwidth increases from 2.5 to 5.9 GHz with increase in the order of filter from 5-pole to 7-pole.

Original languageEnglish
Pages (from-to)433-437
Number of pages5
JournalIETE Journal of Research
Issue number4
Publication statusPublished - Jul 2013
Externally publishedYes


  • Defected ground structure
  • Low-pass filter
  • Microstrip


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