표 1. | Table 1.
측정 결과 비교 | Measurement comparison.

	Return loss<−10 dB(GHz) (FBW)	Zin bandwidth (GHz) (FBW)	Insertion loss (dB)	Phase imbalance (°)	Zin (Ω)/Zout (Ω)	Electrical length (°)
This work	0.55∼0.95 (53.3%)	0.64∼0.87 (30.5%)	<4.6	<6.3	25/50	18
Ref. [5]	2.25∼2.65 (16.3%)	N/A	<4	<2.59	50/50	90
Ref. [6]	1.1∼1.6 (37%)	N/A	<4.9*	<3*	50/50	15
Ref. [14]	1.94∼2.69 (32%)	N/A	<5.6	<5	50/50	90
Ref. [1]	0.93∼1.2 (25%)*	N/A	<5*	<4*	35/35	90
Ref. [2]	7.62∼13 (52.1%)**	N/A	<5.43**	<8*,**	50/50	45

Graphically estimated.
Return Loss < −15 dB.