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用 HP8 510 C网络分析仪测量了 Al As/In Ga As/Al As共振隧穿二极管的 S参数 ,通过实测曲线拟合提取器件等效电路参数 ,计算出所研制器件的阻性截止频率为 54GHz,并分析了影响器件工作频率的因素
The S parameter of Al As / In Ga As / Al As resonant tunneling diode was measured by HP8 510 C network analyzer. The equivalent circuit parameters of the device were measured by curve fitting, and the resistive cutoff frequency of the device was calculated to be 54 GHz. And analyzed the factors that affect the working frequency of the device