Compact Microstrip Lowpass Filter with Low Insertion Loss for UWB Medical Applications

Table 2

Performance comparisons between published works and proposed filter.

Ref	Relative stopband bandwidth	Rejection level (dB)	Up to
[3]	0.92	20	6.8 GHz
[4]	1.54	14	17 GHz
[5]	1.52	10	12 GHz
[7]	0.85	15	5 GHz
[8]	1.45	20	20 GHz
[9]	1.07	10	10 GHz
[11]	0.58	15	10 GHz
[12]	1.2	30	10 GHz
[13]	1.36	10	16 GHz
[16]	1.42	10	6 GHz
[17]	1.14	15	11 GHz
[18]	1.2	10	20 GHz
[19]	1.2	10	8 GHz
[20]	1.407	20	4.5 GHz
[21]	1.3	20	19 GHz
[22]	0.8	30	5 GHz
This work	1.5	20	20 GHz