표 2. | Table 2. 기존 밸런 논문과의 성능 비교 | Performance comparison of the baluns.
This work
Ref.
[1]
Ref. [17]
Ref. [18]
Topology
SIW
SIW
Marchand
SIW
Frequency(GHz)
7.33~9.36
19~29
0.45~6.85
26.5~40
Amplitude imbalance(dB)
<0.21
<1
<0.5
<0.8
Phase imbalance(deg.)
<3.6°
<5°
<10°
<3.1°