Design of integrated analog filters for wireless communication systems

Karolis Kiela

Doctoral dissertation

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In this dissertation, the design of configurable analog filters with self-tuning circuits and their implementation methods, adapted for manufacturing process of integrated circuits are examined. The following hypothesis is proved – use of self-tuning circuits allows achieving parameters of integrated analog active RC filters with needed accuracy. Goal of the thesis – create new methods for design of configurable integrated analog active resistor capacitor (RC) filters with paramaters that achieve required precision. The work approaches the following tasks: analyze structures of analog active RC filters and create models of their self-carlibration circuits; create and examine design method of resistors’ arrays of integrated analog active RC filters, which compensates manufacturing variations and environmental impact; create and examine integrated analog active RC filters, which employ discrete and continuous self-tuning circuits.

The dissertation consists of introduction, three chapters, general conclusions, list of references, author‘s publications on the subject of dissertation, summary in English and 5 annexes.

The introduction reveals the investigated problem, importance of the thesis and the object of research and describes the purpose and tasks of the dissertation, research methodology, scientific novelty, and the practical significance of results examined in the paper and defended statements.

Chapter 1 reviews continuous-time analog filter structures, their main parameters along with issues regarding their variation in integrated circuits, tuning methods, self-tuning circuits and their types, principles of operation. At the end of the chapter, conclusions and the tasks for the dissertation are drawn.

Chapter 2 describes the proposed reconfigurable filter structure for software-defined radios, along with models of tuning circuits with discrete and continiuous tune steps. The presented models and algorithms are evaluated using computer modelling.

Chapter 3 presents the simulations results of the reconfigurable continuous-time filter structure that uses both discrete and proposed continuous parameter tuning structure along with their self-tuning circuits.

Seven articles are published on the subject of dissertation: two – in scientific journals included in Thomson Reuters Web of Science database, one – in international conference publications which are assessed by Thomson Reuters database Proceedings, four – in scientific journal listed in other international databases. 7 presentations on the subject have been given in conferences at national and international level. Seven presentations on the subject have been given in conferences at national and international level.

Read electronic version of the book:

DOI: https://doi.org/10.20334/2017-007-M

Book details

Data sheet

Year:
2017
ISBN:
978-609-476-005-1
Imprint No:
2017-007-M
Dimensions:
145×205 mm
Pages:
192 p.
Cover:
Softcover
Language:
Lithuanian
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