小型化2瓦W波段放大模块组件设计研究

Design and Research of Miniaturized 2W Band Amplifier Module Component

设计了一款W波段功率放大器模块组件,输出功率最大可达2.8瓦。该功率放大器模块组件采用2级单GaN芯片串联的电路结构,由驱放模块和末级功放模块构成,相对于功率合成的方式,论文设计的功放组件工艺要求低、体积小、结构简单可靠、效率高。实测结果表明该功率放大器模块组件在92GHz^96GHz范围内,输出功率可达2瓦,线性增益大于34.5dB,带内增益平坦度小于±0.7dB。该组件在实现较大输出功率的同时,总体尺寸仅102cm^3×44cm^3×22.5cm^3,实现了小型化设计,最大效率可达16.5%。

A W-band power amplifier module module is designed.The maximum output power can reach 2.8 watts.The power amplifier module module is composed of two-stage single GaN chips in series,drive module and last stage power amplifier module.Compared with the power synthesis method,the power amplifier module designed in this paper has lower technology requirement,smaller size,simpler and more reliable structure and higher efficiency.The measured results show that the output power of the pow⁃er amplifier module can reach 2 watts in the range of 92GHz^96GHz,the linear gain is greater than 34.5dB,and the in-band gain flatness is less than(±0.7dB).While realizing high output power,the overall size of the module is only 102cm^3×44cm^3×22.5cm^3,re⁃alizing miniaturization design,and the maximum efficiency can reach 16.5%.