RF MEMS: Theory, Design, and Technology
RF MEMS: Theory, Design, and Technology
RF MEMS in wireless architectures
Proceedings of the 42nd annual Design Automation Conference
Design of reconfigurable RF front-end for multi-standard receiver using switchable passive networks
Analog Integrated Circuits and Signal Processing
Systematic Design Optimization Methodology for Multi-Band CMOS Low Noise Amplifiers
ISVLSI '07 Proceedings of the IEEE Computer Society Annual Symposium on VLSI
Robust reconfigurable filter design using analytic variability quantification techniques
Proceedings of the 2008 IEEE/ACM International Conference on Computer-Aided Design
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In this paper, we develop a generalized automated design methodology for tunable impedance matching networks in reconfigurable wireless systems. The method simultaneously determines the fixed and tunable/switchable circuit element values in an arbitrary-order canonical filter for a general set of performance constraints over a discrete or continuous set of operating frequencies and source/load impedances. To solve the filter design problem, we combine deterministic nonlinear constrained optimization using Sequential Quadratic Programming with a systematic constraint relaxation approach to facilitate convergence. Using the proposed methodology, we successfully generate three different reconfigurable impedance matching networks with performance requirements that would be difficult to realize using manual design techniques.