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TINA-TI 9 与TINA8 对同一个电路图仿真结果不同,为什么?

Other Parts Discussed in Thread: TINA-TI

TINA-TI-9中的电路图及AC仿真结果如下:

TINA-8中的电路图及仿真结果如下:

 

电路图源自《模拟电路基础》P419页码, PID放大器 ,作者:秦世才、贾香鸾;  南开大学出版社。