A Wideband, Sharp Roll-Off U-Band Diplexer in Suspended Stripline Technology

Table 3

Comparison between diplexers in this article and other works.

References	Substrate	Substrate thickness (mm)	Maximum insertion loss (dB)	30 dB roll-off point	Stopband rejection (dB)
[16]	Alumina	0.127	1.8	40%	30
[17]	RT/duroid5880	0.127	1.3	10%	38
[18]	RT/duroid5880	0.127	1.5	7.6%	30
[19]	LCP	0.0508	5	7.5%	35
This work	TLY5	0.127	2	6%	45