The Designer's Guide Community Forum https://designers-guide.org/forum/YaBB.pl Simulators >> RF Simulators >> PLL simulation by PSS/PAC? https://designers-guide.org/forum/YaBB.pl?num=1166585493 Message started by wchlee on Dec 19th, 2006, 7:31pm

Title: PLL simulation by PSS/PAC? Post by wchlee on Dec 19th, 2006, 7:31pm Hi, Is it possible to simulate a PLL by the PSS+PAC? Because I want to simulate the VCO spur due to PFD input undesired tone folding to VCO tuning line. In this case the PSS must converge first to a steady state, then perform the PAC to get the modulated sideband amplitude. But I'm confused with the PSS setting since it contains both signal source(the reference) and autonomous VCO. I tried to view the whole PLL as a driven circuit and run PSS, but it never converges. Could anybody help me?

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