Title :
Design of a tri-section folded SIR filter
Author :
Packiaraj, D. ; Ramesh, M. ; Kalghatgi, A.T.
Author_Institution :
Central Res. Lab., Bharat Electron. Ltd., Bangalore, India
fDate :
5/1/2006 12:00:00 AM
Abstract :
This letter reports the design of a suspended substrate stripline bandpass filter with relocatable second pass band using tri-section folded stepped impedance resonators (TFSIRs). Resonance conditions for the TFSIR in terms of impedance ratios have been derived. Location of the second pass band as a function of impedance ratios (of TFSIRs) has been studied in detail. Experimental results of a filter designed at 2.95 GHz with 31% bandwidth have been compared against the simulation results.
Keywords :
band-pass filters; electric impedance; resonator filters; strip line filters; 2.95 GHz; impedance ratio; relocatable second pass band; resonance conditions; stepped impedance resonators; suspended substrate stripline bandpass filter; tri-section folded SIR filter; Band pass filters; Bandwidth; Impedance; Microwave filters; Photonic band gap; Power harmonic filters; Resonance; Resonator filters; Stripline; System performance; Bandpass filter (BPF); suspended substrate stripline (SSS); tri-section folded stepped impedance resonator (TFSIR);
Journal_Title :
Microwave and Wireless Components Letters, IEEE
DOI :
10.1109/LMWC.2006.873459
