Home > Research > Publications & Outputs > A Novel Adaptive LDMOS Power Amplifier with Con...

Research

Associated organisational units

Links

Text available via DOI:

View graph of relations

A Novel Adaptive LDMOS Power Amplifier with Constant Efficiency for Wide Dynamic Power Levels Control

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Published

Standard

A Novel Adaptive LDMOS Power Amplifier with Constant Efficiency for Wide Dynamic Power Levels Control. / Narendra, Kumar; Mediano, Arturo; Paoloni, Claudio et al.
2008 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-4. NEW YORK: IEEE, 2008. p. 1500-1503.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Harvard

Narendra, K, Mediano, A, Paoloni, C & Limiti, E 2008, A Novel Adaptive LDMOS Power Amplifier with Constant Efficiency for Wide Dynamic Power Levels Control. in 2008 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-4. IEEE, NEW YORK, pp. 1500-1503, 2008 IEEE MTT-S International Microwave Symposium Digest, Atlanta, 15/06/08. https://doi.org/10.1109/MWSYM.2008.4633063

APA

Narendra, K., Mediano, A., Paoloni, C., & Limiti, E. (2008). A Novel Adaptive LDMOS Power Amplifier with Constant Efficiency for Wide Dynamic Power Levels Control. In 2008 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-4 (pp. 1500-1503). IEEE. https://doi.org/10.1109/MWSYM.2008.4633063

Vancouver

Narendra K, Mediano A, Paoloni C, Limiti E. A Novel Adaptive LDMOS Power Amplifier with Constant Efficiency for Wide Dynamic Power Levels Control. In 2008 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-4. NEW YORK: IEEE. 2008. p. 1500-1503 doi: 10.1109/MWSYM.2008.4633063

Author

Narendra, Kumar ; Mediano, Arturo ; Paoloni, Claudio et al. / A Novel Adaptive LDMOS Power Amplifier with Constant Efficiency for Wide Dynamic Power Levels Control. 2008 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-4. NEW YORK : IEEE, 2008. pp. 1500-1503

Bibtex

@inproceedings{a7400dd11feb47b19bba3a15a37edc6c,
title = "A Novel Adaptive LDMOS Power Amplifier with Constant Efficiency for Wide Dynamic Power Levels Control",
abstract = "This paper highlights the achievement of constant efficiency (power added efficiency, PAE) across wide output power levels for fixed amplitude constant envelope modulation. Power amplifier drain supply is adjusted while having a fixed load impedance network. Input RF drive to the power amplifier has to change according to the output power in order to maintain the PAE across a wide range of power levels. A novel idea of input RF drive adjustment to the power amplifier is presented. Due to the nonlinear behavior of the transconductance at lower drain voltages, class AB bias scheme is implemented. Constant PAE of 44 % (flatness of +/- 1 %) across 0.5 to 6.5 W is experimentally demonstrated for a LDMOS power amplifier for the frequency range 420 to 440 MHz. Theory and measurement results showed a good agreement.",
author = "Kumar Narendra and Arturo Mediano and Claudio Paoloni and Ernesto Limiti",
year = "2008",
doi = "10.1109/MWSYM.2008.4633063",
language = "English",
isbn = "978-1-4244-1780-3",
pages = "1500--1503",
booktitle = "2008 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-4",
publisher = "IEEE",
note = "2008 IEEE MTT-S International Microwave Symposium Digest ; Conference date: 15-06-2008 Through 20-06-2008",

}

RIS

TY - GEN

T1 - A Novel Adaptive LDMOS Power Amplifier with Constant Efficiency for Wide Dynamic Power Levels Control

AU - Narendra, Kumar

AU - Mediano, Arturo

AU - Paoloni, Claudio

AU - Limiti, Ernesto

PY - 2008

Y1 - 2008

N2 - This paper highlights the achievement of constant efficiency (power added efficiency, PAE) across wide output power levels for fixed amplitude constant envelope modulation. Power amplifier drain supply is adjusted while having a fixed load impedance network. Input RF drive to the power amplifier has to change according to the output power in order to maintain the PAE across a wide range of power levels. A novel idea of input RF drive adjustment to the power amplifier is presented. Due to the nonlinear behavior of the transconductance at lower drain voltages, class AB bias scheme is implemented. Constant PAE of 44 % (flatness of +/- 1 %) across 0.5 to 6.5 W is experimentally demonstrated for a LDMOS power amplifier for the frequency range 420 to 440 MHz. Theory and measurement results showed a good agreement.

AB - This paper highlights the achievement of constant efficiency (power added efficiency, PAE) across wide output power levels for fixed amplitude constant envelope modulation. Power amplifier drain supply is adjusted while having a fixed load impedance network. Input RF drive to the power amplifier has to change according to the output power in order to maintain the PAE across a wide range of power levels. A novel idea of input RF drive adjustment to the power amplifier is presented. Due to the nonlinear behavior of the transconductance at lower drain voltages, class AB bias scheme is implemented. Constant PAE of 44 % (flatness of +/- 1 %) across 0.5 to 6.5 W is experimentally demonstrated for a LDMOS power amplifier for the frequency range 420 to 440 MHz. Theory and measurement results showed a good agreement.

U2 - 10.1109/MWSYM.2008.4633063

DO - 10.1109/MWSYM.2008.4633063

M3 - Conference contribution/Paper

SN - 978-1-4244-1780-3

SP - 1500

EP - 1503

BT - 2008 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-4

PB - IEEE

CY - NEW YORK

T2 - 2008 IEEE MTT-S International Microwave Symposium Digest

Y2 - 15 June 2008 through 20 June 2008

ER -