표 5. | Table 5. 전력 결합기 설계 비교 | Comparison of power combiner designs.

	Ref. [2]	Ref. [4]	Ref. [9]	Ref. [10]	This work
Topology	SIW PD	Waveguide PD	MS line-hybrid coupler	Wilkinson PD (IPD)	WaveguidePD (Septum)
Freq. [GHz]	75∼110	26∼40	75∼115	70∼110	70∼110
RL [dB]	>10	>20	>10	>12	>20
IL [dB]	<1	<1	2.4	<1	<0.5
Isolation [dB]	>5	>20	-	>14	>15
15-dB RL BW [GHz]	75∼100	26∼40	75∼86	75∼80	70∼110
1-dB IL BW [GHz]	75∼100	26∼40	-	70∼110	70∼110