请问THS4302芯片手册中的S11(db) S11(Ang) S21( db) S21(Ang) S12(db) S12(Ang) S22(db) S22(Ang)z这些参数是什么意思?如图
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请问THS4302芯片手册中的S11(db) S11(Ang) S21( db) S21(Ang) S12(db) S12(Ang) S22(db) S22(Ang)z这些参数是什么意思?如图
S21: Gain vs Frequency
S11和S22代表的是信号端口反射系数随频率的变化过程。或者说反射系数反应的是阻抗匹配方面的内容
S参数下标注的意义是:第一个数字代表信号输出端口,第二个数字代表信号输入端.Sab:表示被测件端口b到端口a的传输系数.