本文扼要地介绍了线性集成电路测试仪的校准方法。其中包括输入失调电 压各挡量程的校准；输入失调电流各挡量程的校准，输入偏置电流各挡量程的 校准；直流开环增益各挡量程的校准以及共模抑制比各挡量程的校准。在介绍 实用电路的同时，给出具体操作步骤，也给出了必要的计算过程和结果。 This article briefly introduces the calibration of linear integrated circuit tester. Including calibration of each offset range of input offset voltage; calibration of each offset range of input offset current, calibration of each offset range of input bias current; calibration of each range of DC open loop gain and calibration of common mode rejection ratio of each range. In introducing the practical circuit at the same time, given the specific steps, but also gives the necessary calculation process and results.