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Ferroelectrics in Microwave Devices, Circuits and Systems pp 115–173Cite as

Substrates, Varactors and Passive Components

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Part of the book series: Engineering Materials and Processes ((EMP))

Abstract

This chapter looks at basic designs of ferroelectric varactors. Thin film and thick film varactors with coplanar-plate and parallel-plate electrodes on different substrates are considered. The dielectric properties of high resistivity silicon are addressed having in mind the heterogeneous integration possibilities. Special sections are devoted to the aspects of optimization, equivalent circuit models, I-V, C-V, tuning speed and microwave performances. The last sections look at varactors with increased power handling capability and applications of ferroelectrics as non-tunable high permittivity dielectrics in high density capacitors, MEMs and field effect transistors.

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Authors
  1. Spartak Gevorgian
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  2. Andrei Vorobiev
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Gevorgian, S., Vorobiev, A. (2009). Substrates, Varactors and Passive Components. In: Ferroelectrics in Microwave Devices, Circuits and Systems. Engineering Materials and Processes. Springer, London. https://doi.org/10.1007/978-1-84882-507-9_4

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