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220-GHz Solid-State Power Ampli fier Modules Ve s n a R a d i s i c Senior Member
220GHz固态功率放大器模块，峰值输出75mW，四路合成功率达185mW。
60mW@205-225GHz, 75mW@210GHz, 185mW@210GHz(四路合成)
太赫兹功率放大器InP HEMT波导合成固态功率模块
▸创新点1：八路片上功率合成技术，通过集成多个放大器单元实现高输出功率，显著提升功率效率，达到75 mW峰值输出。
▸创新点2：WR-4波导功率合成技术，利用波导结构实现高效功率合成，进一步提升输出功率至185 mW，扩展了应用范围。
▸创新点3：亚50nm InP HEMT晶体管应用，采用先进晶体管技术，提升放大器的高频性能和功率密度，支持220 GHz频段工作。
▸创新点4：共面波导（CPW）技术与片上电磁波导转换，优化信号传输路径，减少损耗，提高整体系统效率和稳定性。
Abstract
This paper reports on several solid-state power am-
plifier (PA) modules operating at frequencies around the 220-GHz
propagation window. Included is a single module demonstrating
saturated output power 60 mW from 205 to 225 GHz and peak
output power of 75 mW at 210 GHz using eight-way on-chip power
combining. The output power is fu rther increased by using wave-
guide power combining with WR-4 waveguide. Results include a
single two-way combined module achieving 100 mW of power
from 210 to 225 GH