Abstract

This appendix presents our recent results on the intermodulation distortion and power handling of RF MEMS tunable filters and networks. A practical non-linear circuit model of the RF MEMS varactor and capacitive switch is introduced, and this model is inserted into Agilent-ADS circuit simulator to accurately predict the intermodulation and power-handling performance of MEMS tunable networks. The appendix concludes with a simple extension to the nonlinear switch-varactor circuit model to include the effect of Brownian noise at any bias voltage, and this is checked with the results of Chapter 14.

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