Research Article

Multiwideband Bandpass Filter Based on Folded Quad Cross-Stub Stepped Impedance Resonator

Figure 6

(a) The extracted reflection coefficients, (b) extracted transmission coefficients, and (c) extracted resonant frequencies of an MW-BPF using a QC-SSIR with varied W4B/W3B values.
(a)
(b)
(c)