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An original multifunctional structure with improved performances will be presented. The great advantages of increased modularity, controllability and of the associated reduced design costs represent an immediate consequence of multiple functions that could be implemented by the proposed structure: amplifying, multiplying, squaring or simulating positive and negative resistances. The circuit accuracy...
This paper presents a method for fast, automated analysis of device constraints in analog CMOS circuits. A linearized operating point (LOP) model is proposed which allows device constraints like saturation conditions to be formulated as system of linear inequalities (linear program) with circuit node voltages as free variables. The LOP model parameters are obtained from device lookup tables (LUTs)...
While the CMOS analog circuits can be designed with the minimum-gate-length of the fabrication process in the alpha-power law MOSFET model, the length of a MOSFET gate has been chosen to be a larger scale than the minimum-gate-length in the conventional Shockleypsilas square model. In this paper, we describe a 6-b 100 MSPS CMOS current steering digital-to-analog converter (DAC) with the alpha-power...
The computer-aided design (CAD) methodology proposed in this paper, automates analog static CMOS design. This methodology is based on the EKV model which is continuous over the inversion range. This methodology provides accurate description of current drain (error < 10%) with integration of second order effects in charts for simplicity. It explores the whole solution space. Thus, circuits are sized...
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