Research Article
Multiwideband Bandpass Filter Based on Folded Quad Cross-Stub Stepped Impedance Resonator
Figure 14
Surface current flow of a QC-SSIR at (a) f1, (b) f2, and (c) f3 and an FQC-SSIR at (d) f1, (e) f2, and (f) f3.
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |