divider pss+pnise 仿真 问题
时间:10-02
整理:3721RD
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我仿真pll 中的一个模块divider的噪声,设置是输入加vpulse,但是放PSS时会报错
Error found by spectre during periodic steady state analysis `pss'.
ERROR (CMI-2208): `V7' is a periodic input signal, which is inconsistent with autonomous circuits.
我是看论坛上写的是加vpulse,因为divider不向VCO可以自振的。
是什么问题呢?
Error found by spectre during periodic steady state analysis `pss'.
ERROR (CMI-2208): `V7' is a periodic input signal, which is inconsistent with autonomous circuits.
我是看论坛上写的是加vpulse,因为divider不向VCO可以自振的。
是什么问题呢?
应该是你仿真设置错了吧