[Retracted] Design of a Narrow Bandwidth Bandpass Filter Using Compact Spiral Resonator with Chirality

Table 1

Comparison between this work and other published works.

Ref.	Resonator	[GHz]	FBW [%]	Length []	IL [dB]
[9]	SRR	4.6	1.7	0.53	5.2
[8]	EBG	5	3.7	0.47	2.8
[5]	CRLH-CPW	5	6	0.42	2.5
[6]	CSRR	1	8	0.42	1.5
[7]	Multisection SIR	2.4	10.8	0.24	5.8
This work	Quasi-planar chiral	1	2.2	0.17	5.1