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- Title
Compact Single Notch UWB Bandpass Filter with Metamaterial and SIW Technique.
- Authors
Udhayanan, Senathipathi; Shambavi, Krishnan
- Abstract
A design of a compact planar SIW filter with notch band characteristics is proposed. Double split square complementary split ring resonators are used to realize the ultra-wideband (UWB) characteristics. Proposed UWB filter contributes a passband from 2.9 GHz to 10.3 GHz with minimum insertion loss 0.7 dB at 3.7 GHz and maximum of 1.84 dB at 7 GHz. By employing a complementary split ring resonator in the ground plane, a narrow band characteristic is obtained to reject the undesired wireless local area network (WLAN) signals. The notch band frequency ranges from 5 GHz to 5.7 GHz with insertion loss of 14 dB at center frequency. The 3 dB fractional bandwidth in the notch band is 12.9%. The variation of group delay is less than 0.5 ns in the passband range. Overall size of the proposed filter is 0.35λg x 1.06λg. Because of these salient features, the proposed filter can be used for space applications.
- Subjects
BANDPASS filters; NOTCH filters; WIRELESS LANs; INSERTION loss (Telecommunication); METAMATERIALS
- Publication
Progress in Electromagnetics Research Letters, 2024, Vol 117, p41
- ISSN
1937-6480
- Publication type
Article
- DOI
10.2528/PIERL23113004