A Compact Differential-Mode Wide Stopband Bandpass Filter with Good and Wideband Common-Mode Suppression

Table 1

Comparisons with previous works.

Refs.	Sharp roll-off	DM; suppression; >30 dB	CM; rejection; >30 dB	CM; rejection; (0 to 2.)
[4]	Yes	None	None	None
[5]	Yes	Up to 2.	Up to 1.	>26 dB
[6]	No	None	Up to 2.	>30 dB
[7]	Yes	Up to 2.	Up to 1.	>10 dB
This work	Yes	Up to 2.	Up to 2.	>31.4 dB