| Περίληψη: | This book serves as a hands-on guide to RF tunable devices, circuits and subsystems. An innovative method of modeling for tunable devices and networks is described, along with a new tuning algorithm, adaptive matching network control approach, and novel filter frequency automatic control loop. The author provides readers with the necessary background and methods for designing and developing tunable RF networks/circuits and tunable RF font-ends, with an emphasis on applications to cellular communications. · Discusses the methods of characterizing, modeling, analyzing, and applying RF tunable devices and subsystems; · Explains the necessary methods of utilizing RF tunable devices and subsystems, rather than discussing the RF tunable devices themselves; · Presents and applies methods for MEMS tunable capacitors, which can be used for any RF tunable device; · Uses analytic methods wherever possible and provides numerous, closed-form solutions; · Includes innovative modeling techniques for tunable devices and networks, new tuning algorithm and adaptive matching network control approach, and novel filter frequency automatic control loop.
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