wrestling math and electronics while following "from circuit to code" (in: DSP and Plugin Devel…)
By: mystran
29 May 10:16
Have you tried the “Qucs trick” (ie. a trick explained in Qucs technical manuals, here: qucs.sourceforge.net/tech/node16.html#SECTION00432000000000000000).
The TL;DR is that if you try to solve the operating point for NR linearization from the voltage alone, there’s a problem when the linear solver gives you a voltage that’s too large, because the exponential gets much larger than it should (and potentially overflows to infinity). On the other hand, if you solve from current, then we ru…
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