A new compact dual band microstrip BPF for GSM (1.8 GHz) and WiMAX using asymmetric stepped impedance resonators
Proceedings of the International Conference on Recent Cognizance in Wireless …, 2016•Springer
We propose a design of a compact dual-bandpass microstrip filter (DBPF) for the GSM (1.8
GHz) and WiMAX (3.4 GHz) application using asymmetric SIRs. The presented filter has very
low insertion loss (S 21) and high selectivity for the desired band. Appearance of
transmission zeroes near the edges of passband in the proposed design guarantees sharp
cut off frequency and improves the selectivity of proposed band pass filter with fractional
bandwidth (FBW) of 10 and 7.08%. The proposed filter has low insertion losses,(S 21)− 0.24 …
GHz) and WiMAX (3.4 GHz) application using asymmetric SIRs. The presented filter has very
low insertion loss (S 21) and high selectivity for the desired band. Appearance of
transmission zeroes near the edges of passband in the proposed design guarantees sharp
cut off frequency and improves the selectivity of proposed band pass filter with fractional
bandwidth (FBW) of 10 and 7.08%. The proposed filter has low insertion losses,(S 21)− 0.24 …
Abstract
We propose a design of a compact dual-bandpass microstrip filter (DBPF) for the GSM (1.8 GHz) and WiMAX (3.4 GHz) application using asymmetric SIRs. The presented filter has very low insertion loss (S21) and high selectivity for the desired band. Appearance of transmission zeroes near the edges of passband in the proposed design guarantees sharp cut off frequency and improves the selectivity of proposed band pass filter with fractional bandwidth (FBW) of 10 and 7.08 %.The proposed filter has low insertion losses, (S21) −0.24 and 0.14 dB and the return losses, (S11) −14.71 dB and −25.01 dB for the center frequencies 1.8 GHz and 3.4 GHz, respectively.
Springer
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