A Desgin and Implementation of the Power Amplifier using Linearizer for PCS 


Vol. 27,  No. 10, pp. 1027-1031, Oct.  2002


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  Abstract

In this paper, the non linear characteristics of HPA (High Power Amplilfier) is improved by using predistorter. Predistorter consists of 0 degree and 90 degree couplers, complementary amplifier, shottky diodes, and attenuators. Gain of the Linearized HPA is 54dB at 1960MHz - 1980MHz. IMD (Inter Modulation Distortion) characteristic shows -58dBc at 39dBm/tone @ 1.23MHz. The IMD performance of this predistorter is improved by l4dB.

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  Cite this article

[IEEE Style]

S. Ha, M. Lee, J. Min, Y. Lee, B. Kim, U. Hong, "A Desgin and Implementation of the Power Amplifier using Linearizer for PCS," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 10, pp. 1027-1031, 2002. DOI: .

[ACM Style]

Sung-Jae Ha, Min-Hee Lee, Jun-Ki Min, Yong-Deuk Lee, Bock-Ki Kim, and Ui-Seok Hong. 2002. A Desgin and Implementation of the Power Amplifier using Linearizer for PCS. The Journal of Korean Institute of Communications and Information Sciences, 27, 10, (2002), 1027-1031. DOI: .

[KICS Style]

Sung-Jae Ha, Min-Hee Lee, Jun-Ki Min, Yong-Deuk Lee, Bock-Ki Kim, Ui-Seok Hong, "A Desgin and Implementation of the Power Amplifier using Linearizer for PCS," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 10, pp. 1027-1031, 10. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880