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cadencespectre仿真报错

2018-10-15 14:02阅读:
Fatal error found by spectre during topology check.
The following branches form a loop of rigid branches (shorts) when added to the circuit:
V0:p (from OC to 0)
V4:p (from VCC to 0) 多个直流电源出现错误
估计是电源单路
中间加个0欧姆的电阻,仿真就不报错了。
加0欧姆电阻确实不能解决这个fatal error, 但是将0欧姆改为1欧姆就可以仿真了
遇到过很多次这个问题,然后我就加了一个1欧的电阻就不报错了,不知道这样对不对,不太懂。
Try installing a low-ohm resistor in one or more wires.
It's a token resistance which is sometimes necessary so a simulator will permi
t such loops rather than call it an error.

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