A Predistortion Linearizer with Controlling Individual Order IMD Signals

Author

Jeon, Ki-Kyung ; Kim, Ell-Kou ; Kim, Young ; Hwang, Moon-Soo ; Kim, Byung-Chul

Author_Institution

Sch. of Electron. Eng., Kumoh Nat. Inst. of Technol., Gumi

fYear

2006

fDate

10-15 Sept. 2006

Firstpage

1209

Lastpage

1212

Abstract

In this paper, a new predistortion linearizer with controlling individual order intermodulation distortion (IMD) signals is proposed. This linearizer is achieved independent control of third- and fifth-order intermodulation products using amplitude modulation with even harmonic signals. A vector modulator, modulate fundamental signal with even harmonic components generated by harmonic generator circuits, generates the predistortion third- and fifth-order intermodulation signals and controls amplitude and phase of them with each other modulation factors. As a result, this linearizer is suppressed third- and fifth-order IMD signals of power amplifier effectively

Keywords

amplitude modulation; harmonic generation; intermodulation distortion; linearisation techniques; power amplifiers; amplitude modulation; even harmonic signals; harmonic generator circuits; intermodulation distortion; power amplifier; predistortion linearizer; vector modulator; Amplitude modulation; Chirp modulation; Circuits; Intermodulation distortion; Linearity; Phase modulation; Power amplifiers; Power generation; Predistortion; Signal generators; Linearizer; even harmonic signal; individual order; intermodulation distortion; power amplifier;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 2006. 36th European

Conference_Location

Manchester

Print_ISBN

2-9600551-6-0

Type

conf

DOI

10.1109/EUMC.2006.281194

Filename

4058045