Different biasvoltage for the input buffer transistor.
不同偏置电压的输入缓冲晶体管。
2
The inputbias current flows at the instrument input due to internal instrument circuitry and the internal biasvoltage.
仪器内部电路和内部的偏移电压会在仪器的输入端引起输入偏置电流。
3
Although inputbias current is a common source of this type of error, currents generated by external circuits can also result in errors due to voltage drops across the source resistance.