The relatively low sensitivity improvement obtained with this preamp could be due to impedancemismatching on the input stage.
相对较低的灵敏度得到改善前置这可能是由于阻抗不匹配的输入阶段。
2
The above data could be used to analyze the impedance and temperature mismatching levels between the non-transparent sample material being studied and the window material as a partly data base.
上述数据可供用它作测量不透明材料冲击温度窗口材料时进行阻抗失配和温度失配分析时的依据。
3
Even slight mismatching will cause large errors in the transfer function and degrade the output impedance causing the circuit to become less of a true current source.