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https://designers-guide.org/forum/YaBB.pl Design >> RF Design >> Error Message in Charge Pump Noise Simulation https://designers-guide.org/forum/YaBB.pl?num=1157473760 Message started by timmc6 on Sep 5th, 2006, 9:29am |
Title: Error Message in Charge Pump Noise Simulation Post by timmc6 on Sep 5th, 2006, 9:29am When simulating the phase noise of my charge pump using PSS/PNOISE, I am seeing an error message saying "Relative residual of linear system is significantly above tolerance. Results may be inaccurate." The message occurs for frequency steps between 100Hz and 500Hz, then does not appear for the higher frequency steps. Has anyone seen this error message before? Thanks. Tim |
Title: Re: Error Message in Charge Pump Noise Simulation Post by Ken Kundert on Sep 5th, 2006, 11:10am This is one you probably want to show Cadence. -Ken |
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