표 4. | Table 4. Radial 전력결합기 이전 연구와 비교 | Comparison with some prior radial power combiner.

Item This work Ref. [5] Ref. [6]
Frequency (GHz) 35~36 29~31 16.1~17.2
Number of power combine 8 8 16
Input/output connector SMP / WR-28 K-connector / K-connector SMA / SMA
Back to back insertion loss (measurement) −0.78 dB −0.67 dB −0.47 dB
Back to back return loss (measurement) −16.0 dB −20.2 dB −14.1 dB