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MLM Substrate Optimization

Question asked by BRUIN_GTO on Oct 1, 2008
ADS2008U2 -- when optimizing MLM substrate parameters (16 layer substrate) including Er and Height, the Gradient optimizer immediately, on the 1st iteration, sets parameter values outside the specified Min/Max range without any error messages. The optimization Nominal/Min/Max seem to be correctly defined.

The schematic is hierarchical, but has only one substrate definition at the top level. Is this a bug?  

I can provide files after sanitizing.

- Gary Otonari