Design and implementation of a broadband I-Q vector modulator and a feedforward linearizer for V/UHF band

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Date

2010

Author

Ünlü Özkaya, Ayşe

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Considering the requirements of the commercial and military applications on amplitude and phase linearity, it is necessary to reduce nonlinearity of the amplifiers. There are several linearization techniques that are used to reduce nonlinearity effects. Feedforward linearization technique is known as one of the best linearization methods due to its superior linearization performance and broadband operation. Vector modulators which allows amplitude and phase modulation simultaneously, is the most important component of a feedforward system. In this thesis, first of all a broadband V/UHF vector modulator designed and implemented. Then a feedforward system is investigated and implemented using the designed vector modulator for V/UHF band.

Subject Keywords

Electrical engineering., Vector Modulator.

URI

http://etd.lib.metu.edu.tr/upload/12611565/index.pdf
https://hdl.handle.net/11511/19307

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Graduate School of Natural and Applied Sciences, Thesis