Carrier leakage calibration in DCT

Author

Tedjini, S. ; Gaoua, S. ; Touhami, R. ; Yagoub, M.C.E. ; Bellaouar, A.

Author_Institution

Dept. of Instrum., Univ. of Sci. & Technol., Algiers, Algeria

fYear

2009

fDate

6-8 Nov. 2009

Firstpage

1

Lastpage

4

Abstract

In this paper, an improved version of the digital calibration method for carrier leakage, which is caused by the DC offset on direct conversion transmitter, is proposed. We have used a power detector for estimating the DC offset. After, we have injected a compensation voltage for eliminating this DC offset. In order to validate our technique, a new direct conversion transmitter that operates at 2 GHz, is proposed. The simulation and the implementation of the calibration were performed using the Agilent-ADS software.

Keywords

calibration; discrete cosine transforms; radio transmitters; Agilent-ADS software; DC offset estimation; DCT; RF transmitters; carrier leakage calibration; digital calibration method; direct conversion transmitter; discrete cosine transforms; frequency 2 GHz; voltage compensation; Artificial intelligence; Calibration; Circuits and systems; Degradation; Detectors; Discrete cosine transforms; Instruments; Radio frequency; Transmitters; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Signals, Circuits and Systems (SCS), 2009 3rd International Conference on

Conference_Location

Medenine

Print_ISBN

978-1-4244-4397-0

Electronic_ISBN

978-1-4244-4398-7

Type

conf

DOI

10.1109/ICSCS.2009.5414149

Filename

5414149