The Novel Microwave Stop-Band Filter

Table 1

Geometrical and physical parameters of the band-rejection element.

	𝑤=0.5 mm 𝑑=6.0 mm 𝜀2=1	𝑤=0.5 mm 𝑑=5.0 mm 𝜀2=1	𝑤=1.5 mm 𝑑=5.0 mm 𝜀2=1	𝑤=0.5 mm 𝑑=9.0 mm 𝜀2=3.78	𝑤=1.5 mm 𝑑=9.0 mm 𝜀2=3.78
𝑓0 GHz	9	11	10.7	10.3	10.27
Q-factor	17	17	5	91	37
	Quarter-wave resonance			Half-wave resonance