Tunable Evanescent-Mode Filters

Comprehensive resource presenting tunable evanescent-mode filters design principles, implementation technologies, and applications, with hardware demonstrations and illustrations to support concepts

Covering all recent advancements in the field, Tunable Evanescent-Mode Filters discusses fundamentals and applications in tunable evanescent-mode filters with concepts supported by hardware demonstrations to help the reader design experiments, a variety of detailed illustrations to aid in reader comprehension, and worked-out examples to help connect theory to practice.

The book is divided into three parts. The first part introduces associated physics, providing background information on topics such as filter anatomy, coupling matrix and routing diagrams, evanescent-mode resonators, and more. The second part covers implementation, describing topics like printed circuit boards, silicon microfabrication, and injection molding. The last part covers applications and discusses a broad range of topics including absorptive bandstop filters, bandwidth and passband control, high-order and fractional-order evanescent-mode filters, advanced evanescent-mode filter structures, and phase-locked loop and balanced-balanced tunable filtering.

Written by two highly qualified academics with significant research experience in the field, Tunable Evanescent-Mode Filters also explores topics such as:

• Filter examples, including Chebyshev bandpass filters and Butterworth bandstop filters, and coupling techniques, including external and inter-resonator coupling
• The constant bandwidth coupling concept, covering BW variation versus T-line length and tuning range, as well as phase variation
• Bandpass-to-Bandstop reconfigurable filters, covering the switching coupling structure
• Single-ended (SE) and balanced (BAL) diplexers, covering the dual-mode diplexing concept and its architecture and resonant frequency misalignment
• Monitoring and control of silicone-based filters, covering spiral inductors and circuit optimization

Tunable Evanescent-Mode Filters is a one-of-a-kind and completely up-to-date reference on the subject for both beginners in tunable RF systems looking for learning the fundamentals, as well as advanced researchers who are interested in the most effective techniques and latest developments in the field.

Dimitrios Peroulis is the Senior Vice President for Purdue University Online and the Reilly Professor of Electrical and Computer Engineering at Purdue University, USA. He is an IEEE and IET Fellow and has co-authored over 450 journal and conference papers. Mohammad Abu Khater was a research scientist at Purdue University working on adaptive RF front-ends and their applications. Currently, he is the founder and CEO of Philowave.

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