ADS layout生成器件后引入到电路仿真问题,有赏求助!
05-08
各位大侠,我经常遇到在layout进行场仿真后(仿真和结果顺利进行,无报错),但是在拉入到电路仿真s参数时候,报错如下,求教!
重贴一下报错内容:
Simulation / Synthesis Messages
Warning detected by hpeesofsim in topology check during circuit set up.
Number of nodes with only one device attached (topology corrected): 5
Number of nodes with no DC path to ground (topology corrected): 19
Error detected by hpeesofsim during TRAN analysis 'SP1'.
`test_1': S-parameters are not available at 0 Hz.
Error detected by hpeesofsim during TRAN analysis 'SP1'.
Fatal error occurred while evaluating model `MomCmpt', instance `test_1'.
Status / Summary
hpeesofsim (*) 331.200 May 6 2008 (built: 05/06/08 00:26:15)
Copyright Agilent Technologies, 1989-2008.
******************************************
***** Abnormal Simulator Termination *****
******************************************
The simulator has unexpectedly terminated.
重贴一下报错内容:
Simulation / Synthesis Messages
Warning detected by hpeesofsim in topology check during circuit set up.
Number of nodes with only one device attached (topology corrected): 5
Number of nodes with no DC path to ground (topology corrected): 19
Error detected by hpeesofsim during TRAN analysis 'SP1'.
`test_1': S-parameters are not available at 0 Hz.
Error detected by hpeesofsim during TRAN analysis 'SP1'.
Fatal error occurred while evaluating model `MomCmpt', instance `test_1'.
Status / Summary
hpeesofsim (*) 331.200 May 6 2008 (built: 05/06/08 00:26:15)
Copyright Agilent Technologies, 1989-2008.
******************************************
***** Abnormal Simulator Termination *****
******************************************
The simulator has unexpectedly terminated.
Layout Mom仿真的S参数频率要包括DC,也就是0Hz频率
有可能仿真设置的频率范围不一致。
跟着学习,
你说的对的,我把layout Moment 频率设置从0Hz开始,就对了,但是如果我计算频率范围不再此区间,比如:7—9GHz,也得从0Hz开始算么?然后设置比较细的频率间隔,那样时间会非常的久。有没有其它办法?
(怎么在操作里面,对回答问题的朋友赠送RF币呢?我想送给这些热心朋友们RF币!)
我仿真的时候S参数不用设置到0Hz也是可以的,但是不知道为什么不能和有源器件进行级联仿真,比较郁闷!
和电路作cosimulation时候0Hz有用阿,不然电路的管子怎么加DC阿。
有源器件是非线性的,因此要从0HZ开始仿真,是这个意思对吧?
刚刚严重了,顾问兄说的是非常正确的,加入了0Hz以后电路就可以做CO_simulation了
感谢啊!
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