Comparison of Tuning Means

“TESLA” is an EU-funded project under Horizon 2020 research and innovation programme. The goal of TESLA project is to conduct a research on advanced technologies for future European satellite applications.

The first work package of TESLA: “Technologies for satellite flexible payloads” aims to propose compact, high-performance, and efficient tuning solutions for next generation flexible satellite systems. As part of WP1, this document presents an extensive review on the different tuning techniques and means of microwave filters.

This deliverable provides a general overview of tunable filters and their importance in enhancing the capabilities of communication and satellite systems.

The document also discusses the mechanism of tuning for filters and its different types: capacitance tuning, inductance tuning, and capacitance-inductance tuning.

A discussion of the major tuning techniques (mechanically, electrically, and magneticallybased techniques) is presented in terms of operation concepts, advantages, and limitations. Also, the different means utilized in the realization of the available state-of-the-art tunable filters are discussed in detail.

Some of the new and promising tuning components and methods are also considered in the report content including ferroelectric components and resonators, liquid crystal-based tuning, and microfluidically reconfigurable filters.

TESLA ESR 7 project: “Synthesis, design, and fabrication of novel tunable components for satellite communication” will use the outcome of this deliverable to propose novel tunable filters and efficient tuning configurations for future satellite communications.


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