El amplificador de potencia Doherty con etapa de pre-amplificación
Resumo
Este artículo presenta el concepto general del amplificador de potencia Doherty, resaltando su superioridad, en términos de eficiencia promedio, con respecto a amplificadores de una etapa. Además, se presenta la posibilidad de incluir etapas de pre-amplificación en las ramas del amplificador Doherty, con el objetivo de incrementar su ganancia.Palavras-chave
amplificador de potencia, doherty, comunicaciones inalámbricas, alta ganancia, eficiencia
Biografia do Autor
Jonathan Javier Tinjacá-Soler
Escuela de Ingeniería Electrónica, Uptc. Grupo Inv. GINTEL
William Alexander Cuevas-Carrero
Escuela de Ingeniería Electrónica, Uptc. Grupo Inv. GINTEL
Edison Ferney Angarita-Malaver
Escuela de Ingeniería Electrónica, Uptc. Grupo Inv. GINTEL
Jorge Julián Moreno-Rubio
Escuela de Ingeniería Electrónica, Uptc. Grupo Inv. GINTEL
Referências
- Proakis, J., Salehi, M., Zhou, N. & Li, X. 1994., Communication systems engineering, Prentice-Hall.
- Haykin, S., Moher, M. & Song, T. 1989. An introduction to analog and digital communications, Wiley.
- Cripps, S. 2002. Advanced techniques in RF power amplifier design. Artech House on Demand.
- Colantonio, P., Giannini, F. & Limiti, E. 2009. High Efficiency RF and Microwave Solid State Power Amplifiers, Wiley Online Library.
- doi: 10.1002/9780470746547
- Kim, B., Moon, J. & Kim, I. 2010. Efficiently amplified. IEEE Microwave Magazine. 11(5). pp. 87-100.
- doi: 10.1109/MMM.2010.937099.
- Pozar, D. M. 1998. Microwave Engineering, 2nd. Wiley.
- Cripps, S. C. 2006. RF power amplifier for wireless communication, 2nd. Retch House, Incorporated.
- Moreno J., Fernandez H., Angarita E. 2015. A 25 W 70% Efficiency Doherty Power Amplifier With 6dB Output Back-Off for 2.4 GHz Applications, with VGS,PEAK Control. INGE CUC 11(1). pp. 48-52. Doi:http://dx.doi.org/10.17981/ingecuc.11.1.2015.04.
- Moreno J., Angarita E. 2015. The Doherty Power Amplifier: Design Strategy. Proceedings of the 2015 IEEE Thirty Fifth Central American and Panama Convention (CONCAPAN XXXV).
- Moreno J., Fang J., Camarchia V., Quaglia R., Pirola M., Ghione G., S. D. Guerrieri. 2011. A 22W 65% efficiency GaN Doherty Power Amplifier at 3.5 GHz for WiMAX applications. Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC).
- Doi: 10.1109/INMMIC.2011.5773332.
- A. Z. Markos*, D. Gruner, K. Bathich, & G. Boeck. 2010. A 2 W GaAs doherty amplifier for 5.5–5.6 GHz applications. 18th International Conference on Microwave Radar and Wireless Communications (MIKON).
- Gruner D., Bathich K., Tanany A., & Boeck G. 2011. Harmonically tuned GaN-HEMT Doherty power amplifier for 6 GHz applications. Microwave Integrated Circuits Conference (EuMIC), 2011.
- Chen W., Jia S., Schreurs D. 2015. High efficiency Doherty transmitter with antenna active load modulation. Wireless Symposium (IWS), 2015 IEEE International.
- doi: 10.1109/IEEE-IWS.2015.7164510.
- Rubio, J. M., Fang, J., Camarchia, V., Quaglia, R., Pirola, M. & Ghione, G. 2012. 3–3.6-GHz wideband GaN Doherty power amplifier exploiting output compensation stages. Microwave Theory and Techniques, IEEE Transactions on, 60, 2543-2548.
- Fang, J., Moreno, J., Quaglia, R., Camarchia, V., Pirola, M., Guerrieri, S. D., Ramella, C. & Ghione, G. 2012. 3.5 GHz WiMAX GaN Doherty power amplifier with second harmonic tuning. Microwave and Optical Technology Letters, 54(11). pp. 2601-2605. doi: 10.1002/mop.
- Ghim J., Cho K., Kim J., Stapleton S. 2006. A High Gain Doherty Amplifier Using Embedded Drivers. IEEE MTT-S International Microwave Symposium Digest. DOI: 10.1109/MWSYM.2006.249753.
- Crescenzi E., Pengelly R., Wood S., Buss R. 2005. 60 Watt Doherty Amplifiers Using High Gain 2-Stage Hybrid Amplifier ModuleS. IEEE MTT-S International Microwave Symposium Digest.
- doi: 10.1109/MWSYM.2005.1516941.
- Chang D., Noh Y., Yom I. 2015. GaN High Power Amplifier MMIC for 30W Compact Doherty Amplifier for LTE Active Antenna System. Proceedings of the 10th European Microwave Integrated Circuits Conference. pp. 265-268. doi: 10.1109/EuMIC.2015.7345120.
- Lee J., Son J., Kim N., 2014. Optimised Doherty power amplifier with auxiliary peaking cell. Electronics Letters 50(18). pp. 1299–1301. Doi: 10.1049/el.2014.2214.
- Park Y., Lee J., Jee S., Kim S., Kim B. 2015. Gate Bias Adaptation of Doherty Power Amplifier for High Efficiency and High Power. IEEE Microwave and Wireless Components Letters 25(2). PP. 136-138.
- Doi: 10.1109/LMWC.2014.2373637.
Downloads
Não há dados estatísticos.