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nxing
Joined: 10 May 2004
Posts: 446
Helped: 12
Location: China
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 23 Jul 2004 7:54 PSS simulation |
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Hello everybody,
Can anyone tell me what's the theory behind PSS, PAC analysis in Cadence?
Thanks
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hrkhari
Joined: 04 Mar 2004
Posts: 225
Helped: 3
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| 25 Jul 2004 15:28 Re: PSS simulation |
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Both Periodic Steady State Analysis (PSS) and Periodic AC (PAC) Analysis, comes under SpectreRF Tools, which is equivalent to transient and ac analysis respectively in low frequency application.
Rgds
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nxing
Joined: 10 May 2004
Posts: 446
Helped: 12
Location: China
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| 26 Jul 2004 3:17 PSS simulation |
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Hi Krkhari,
Thanks for your reply, I know how to do PSS and PAC. What I don't know is the theory behind them.
Regards,
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Edward_2288
Joined: 07 Mar 2004
Posts: 72
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| 26 Jul 2004 6:21 PSS simulation |
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the theory behind them is the iteration theory from maths, e.g. the newton iteration method.
generally, we run the small signal analysis on top of the stabilised dc analysis. thats why we run the dcop first, followed by small signal analysis.
now bout the pss. it is still a dcop. but, it changes with time. so pss analysis tries to do dcop at every point, then pac will follow it by doing the ac analysis on top of the iterated point.
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