표 1. | Table 1. W-대역 SSPA 성능 비교 | Performance comparison of W-band SSPA.

Ref. Output power (dBm) Gain (dB) Efficiency (%) MMIC type
[3] 50 31 4.5~6 GaN HEMT
[5] 33~34.1 >31 Max. 8.2 GaN HEMT
This work 31.8 38.8 4.9 GaN HEMT