Automatic Design Centering of Analog Integrated Circuits Based on the Generalized Boundary Curve of Multiple Robustness Objectives
نویسنده
چکیده
In this report a method for the design centering of analog circuits, based on worstcase distances (WCD) is presented. In order to keep the linearization error small, only the WCDs and not the strongly nonlinear objective function itself is linearized. For the resulting nonlinear trust-region problem the generalized boundary curve (GBC) is derived as a method to determine a solution with a good ratio between error reduction and norm of the parameter correction. This parameter correction is used in a standard iterative trust-region optimization algorithm. Results calculated on a circuit example show a signifcant reduction of iterations compared to a standard gradient-based optimization algorithm. Thus, design centering becomes applicable within industrial analog circuit design.
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