In addition to excellent information provided by Shawn and Andrew, if you have access to Cadence Online Support https://support.cadence.com , please check out this Article FAQ: Spectre RF Convergence Tips for Shooting PSS Analysis . There is a similar one for Harmonic Balance. Also, Getting the Most Out of Spectre® APS RF 19.1: Maximizing Performance is a collection of "best practices" when simulating with SpectreRF. There are a couple of Articles on simulating dividers in SpectreRF as well. best regards, Tawna
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