표 1. | Table 1. 감쇄기 성능 비교표 | Performance comparison with other attenuators.

Ref.	This work	Ref. [2]	Ref. [3]	Ref. [4]
Process	130 nm SOI	0.18 μm SiGe BiCMOS	0.25 μm SiGe BiCMOS	65 nm CMOS
Frequency (GHz)	10~15	22~29	6~12.5	DC~50
Return loss (dB)	>14.58	>9.9	>13	>12
Insertion loss (dB)	<1.85	<7.9	<12.7	<5.9
Attenuation range (dB)	15.5	14.5	16.51	15.5
RMS GE (dB)	<0.24	<0.51	<0.26	0.2 @dc-28G
RMS PE (degree)	<4.49	<4.7	<3.5	2.6 @dc-28G
Chip area (mm2)	0.03	0.94	0.29	0.036