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一种f_t为176GHz、大电流多指结构的InGaAs/InP异质结双极晶体管(英文)

Keywords: 异质结双极晶体管,高电流,高频

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Abstract:

针对毫米波电路对大电流、高截止频率器件的要求,利用平坦化技术,设计并制作成功了结构紧凑的四指合成InGaAs/InP异质结双极晶体管.实验结果表明发射极的宽度可减小到1μm.Kirk电流可达到110wA,电流增益截止频率达到176GI-Iz.这种器件有望在中等功率的毫米波电路中有所应用.

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