A Compact High-Pass Filter Using Hybrid Microstrip/Nonuniform CPW with Dual-Mode Resonant Response

Table 2

Comparison of various HPFs in different works.

Ref.	/GHz at 3 dB	ILmin/dB in the passband	Sizes ()	/	ILmin/dB in the stopband	RL/dB in the passband	GD/ns in the passband
[4]	1.74	0.33	N/A	4.5	>60	10	N/A
[5]	1.5	2.2	0.37 (length)	2.0	>40	10	N/A
[6]	1.45	2.0	N/A	1.7	>30	10	N/A
[7]	1.8	1.3		3.0	>40	7	N/A
[8]	3.0	N/A		2.0	>40	15	N/A
This work	5.78	0.75		4.0	>30	>20	<0.15