Envelope Tracking of an RF High Power Amplifier With an 8-Level Digitally Controlled GaN-on-Si Supply Modulator

IEEE Transactions on Microwave Theory and Techniques

Volumn 63, Issue 8, 2015, Pages 2589-2602

  Florian, Corrado ^a   Cappello, Tommaso ^a   Paganelli, Rudi Paolo ^b   Niessen, Daniel ^a   Filicori, Fabio ^a  

^a UNIVERSITY OF BOLOGNA   (Italy)

^b CNR   (Italy)

Author keywords

Envelope amplifier; envelope tracking (ET); GaN technology; multilevel converters; power digital to analog converter (power DAC); supply modulator

Indexed keywords

DIGITAL INTEGRATED CIRCUITS; EFFICIENCY; GALLIUM NITRIDE; LONG TERM EVOLUTION (LTE); POWER AMPLIFIERS; POWER CONVERTERS; RADIO FREQUENCY AMPLIFIERS; TRANSMITTERS;

ENVELOPE AMPLIFIERS; ENVELOPE TRACKING; GAN TECHNOLOGY; MULTILEVEL CONVERTER; POWER DIGITAL-TO-ANALOG CONVERTER (POWER-DAC); SUPPLY MODULATOR;

DIGITAL TO ANALOG CONVERSION;

EID: 84939228792     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2015.2447552     Document Type: Article

References (51)

1. D. Kimball, J.-J. Yan, P. Theilmanrr, M. Hassan, P. Asbeck, and L. Larson, "Efficient and wideband envelope amplifiers for envelope tracking and polar transmitters," in IEEE Power Amplifiers for Wireless Radio Appl. Top. Conf., 2013, pp. 13-15.
2. C. Hsia, D. F. Kimball, S. Lanfranco, and P. M. Asbeck, "Wideband high efficiency digitally-assisted envelope amplifier with dual switching stages for radio base-station envelope tracking power amplifiers," in IEEE MTT-S Int. Microw. Symp. Dig., 2010, pp. 672-675.
3. J. H. Kim, G. Do Jo, J. H. Oh, Y. H. Kim, K. C. Lee, and J. H. Jung, "3.54 GHz 10 W envelope tracking amplifier with 43% efficiency utilizing the 1.5 Bit-high efficiency envelope amplifier," in IEEE Power Amplifiers for Wireless Radio Appl. Top. Conf., 2011, pp. 21-24.
4. P. F. Miaja, M. Rodriguez, A. Rodriguez, and J. Sebastian, "A linear assisted DC/DC converter for envelope tracking and envelope elimination and restoration applications," IEEE Trans. Power Electron., vol. 27, no. 7, pp. 3302-3309, Jul. 2012.
5. P. Draxler et al., "High efficiency envelope tracking LDMOS power amplifier for W-CDMA," in IEEE MTT-S Int. Microw. Symp. Dig., 2006, pp. 1534-1537.
6. C. Hsia et al., "Digitally assisted dual-switch high-efficiency envelope amplifier for envelope-tracking base-station power amplifiers," IEEE Trans. Microw. Theory Techn., vol. 59, no. 11, pp. 2943-2952, Dec. 2011.
7. J. H. Kim, H. S. Son, W. Y. Kim, and C. S. Park, "Envelope amplifier with multiple-linear regulator for envelope tracking power amplifier," IEEE Trans. Microw. Theory Techn., vol. 61, no. 11, pp. 3951-3960, Nov. 2013.
8. P. T. Theilmann, J. J. Yan, V. Cuong, J.-S. Moon, H. P. Moyer, and D. F. Kimball, "A 60 MHz bandwidth high efficiency X-band envelope tracking power amplifier," in IEEE Compound Semicond. Integr. Circuit Symp., 2013, pp. 1-4.
9. H. Huang, J. Bao, and L. Zhang, "A MASH-controlled multilevel power converter for high-efficiency RF transmitters," IEEE Trans. Power Electron., vol. 26, no. 4, pp. 1205-1214, Apr. 2011.
10. F. H. Raab et al., "Power amplifiers and transmitters for RF and microwave," IEEE Trans. Microw. Theory Techn., vol. 50, no. 3, pp. 814-826, Mar. 2002.
11. F. Wang, A. Ojo, D. Kimball, P. Asbeck, and L. Larson, "Envelope tracking power amplifier with pre-distortion linearization for WLAN 802.11g," in IEEE MTT-S Int. Microw. Symp. Dig., 2004, vol. 3, pp. 1543-1546.
12. D. F. Kimball et al., "High-efficiency envelope-tracking W-CDMA base-station amplifier using GaN HFETs," IEEE Trans. Microw. Theory Techn., vol. 54, no. 11, pp. 3848-3856, Nov. 2006.
13. M. Vasic, O. Garcia, J. A. Oliver, P. Alou, D. Diaz, and J. A. Cobos, "Comparison of two multilevel architectures for envelope amplifier," in Annu. IEEE Ind. Electron. Conf., 2009, pp. 283-289.
14. J. Hoversten and Z. Popović, "System considerations for efficient and linear supply modulated RF transmitters," in IEEE 12th Control Modeling for Power Electron. Workshop, 2010, pp. 1-8.
15. J. Jeong et al., "High-efficiency WCDMA envelope tracking base-station amplifier implemented with GaAs HVHBTs," IEEE J. Solid-State Circuits, vol. 44, no. 10, pp. 2629-2639, Oct. 2009.
16. D. Diaz et al., "Three-level cell topology for a multilevel power supply to achieve high efficiency envelope amplifier," IEEE Trans. Circuits Syst. I, Reg. Papers, vol. 59, no. 9, pp. 2147-2160, Sep. 2012.
17. M. Rodriguez, P. Fernandez-Miaja, A. Rodriguez, and J. Sebastian, "A multiple-input digitally controlled buck converter for envelope tracking applications in radiofrequency power amplifiers," IEEE Trans. Power Electron., vol. 25, no. 2, pp. 369-381, Feb. 2010.
18. M. Norris and D. Maksimovic, "10 MHz large signal bandwidth, 95% efficient power supply for 3 G-4 G cell phone base stations," in 27th Annu. IEEE Appl. Power Electron. Conf. & Expo., 2012, pp. 7-13.
19. H. Xi, Q. Jin, and X. Ruan, "Feed-forward scheme considering bandwidth limitation of operational amplifiers for envelope tracking power supply using series-connected composite configuration," IEEE Trans. Ind. Electron., vol. 60, no. 9, pp. 3915-3926, Sep. 2013.
20. M. Kaneta et al., "Architecture of wideband high-efficiency envelope tracking power amplifier for base station," in Key Engineering Materials. Dürnten, Switzerland: Tras Tech Publications, 2011, vol. 459, pp. 241-251.
21. J. Choi, D. Kim, D. Kang, and B. Kim, "A new power management IC architecture for envelope tracking power amplifier," IEEE Trans. Microw. Theory Techn., vol. 59, no. 7, pp. 1796-1802, Jul. 2011.
22. J. Kim, D. Kim, Y. Cho, D. Kang, B. Park, and B. Kim, "Envelope-tracking two-stage power amplifier with dual-mode supply modulator for LTE applications," IEEE Trans. Microw. Theory Techn., vol. 61, no. 1, pp. 543-552, Jan. 2013.
23. D. Kang, D. Kim, J. Choi, J. Kim, Y. Cho, and B. Kim, "A multimode/multiband power amplifier with a boosted supply modulator," IEEE Trans. Microw. Theory Techn., vol. 58, no. 10, pp. 2598-2608, Oct. 2010.
24. M. Hassan, L. E. Larson, V. W. Leung, and P. M. Asbeck, "A combined series-parallel hybrid envelope amplifier for envelope tracking mobile terminal RF power amplifier applications," IEEE J. Solid-State Circuits, vol. 47, no. 5, pp. 1185-1198, May 2012.
25. Y. Li, J. Lopez, W. Po-Hsing, H. Weibo, W. Ruili, and D. Y. C. Lie, "A SiGe envelope-tracking power amplifier with an integrated CMOS envelope modulator for mobile WiMAX/3 GPP LTE transmitters," IEEE Trans. Microw. Theory Techn., vol. 59, no. 10, pp. 2525-2536, Oct. 2011.
26. M. Bathily, B. Allard, F. Hasbani, V. Pinon, and J. Verdier, "Design flow for high switching frequency and large-bandwidth analog DC/DC step-down converters for a polar transmitter," IEEE Trans. Power Electron., vol. 27, no. 2, pp. 838-847, Feb. 2012.
27. J. Sebastian, P. Fernandez-Miaja, A. Rodriguez, and M. Rodriguez, "Analysis and design of the output filter for buck envelope amplifiers," IEEE Trans. Power Electron., vol. 29, no. 1, pp. 213-233, Jan. 2014.
28. L. Marco, A. Poveda, E. Alarcon, and D. Maksimovic, "Bandwidth limits in PWM switching amplifiers," in IEEE Circuits Syst. Int. Symp., 2006, pp. 5326-5329.
29. V. Yousefzadeh, E. Alarcon, and D. Maksimovic, "Band separation and efficiency optimization in linear-assisted switching power amplifiers," in IEEE Power Electron. Specialists Conf., 2006, pp. 1-7.
30. V. Yousefzadeh, E. Alarcon, D. Maksimovic, and D., "Efficiency optimization in linear-assisted switching power converters for envelope tracking in RF power amplifiers," in IEEE Circuits Syst. Int. Symp., 2005, vol. 2, pp. 1302-1305.
31. M. Malinowski, K. Gopakumar, J. Rodriguez, and M. A. Pérez, "A survey on cascaded multilevel inverters," IEEE Trans. Ind. Electron., vol. 57, no. 7, pp. 2197-2206, Jul. 2010.
32. J. Rodriguez, J.-S. Lai, and F. Z. Peng, "Multilevel inverters: A survey of topologies, controls, and applications," IEEE Trans. Ind. Electron., vol. 49, no. 4, pp. 724-738, Aug. 2002.
33. J. Dixon, A. A. Breton, F. E. Rios, J. Rodriguez, J. Pontt, and M. A. Perez, "High-power machine drive, using nonredundant 27-level inverters and active front end rectifiers," IEEE Trans. Power Electron., vol. 22, no. 6, pp. 2527-2533, Nov. 2007.
34. "eGaN FET electrical characteristics," EPC Corporation, El Segundo, CA, USA, 2013 [Online]. Available: http://epc-co.com/
35. , W. Kester, Ed., Analog Devices Mixed Signal and DSP Design Techniques. Boston, MA, USA: Newnes, 2002, Sec. 2: Sampled Data Systems.
36. T. C. Carusone, D. A. Johns, and K. W. Martin, Analog Integrated Circuit Design, 2nd ed. Hoboken, NJ, USA: Wiley, 2011, ch. 15.
37. "Enhancement mode power transistor," EPC Corporation, El Segundo, CA, USA, EPC2014 Data Sheet, 2013 [Online]. Available: http://epcco.com
38. S. E. Saravi, A. Tahani, F. Zare, and R. A. Kordkheili, "The effect of different winding techniques on the stray capacitances of high frequency transformers used in flyback converters," in IEEE 2nd Int. Power Energy Conf., 2008, pp. 1475-1478.
39. "Base station subassemblies: Addressing DC power test challenges," Agilent Technol., Santa Rosa, CA, USA, Appl. Note 5990-5019EN, Nov. 2009, pp. 1-8.
40. S. Forestier, P. Bouysse, R. Quere, A. Mallet, J. M. Nebus, and L. Lapierre, "A dynamic bias control technique of PHEMT SSPA for optimised PAE and EVM applied to MQAM satellite communication systems," in Proc. 33rd Eur. Microw. Conf., Munich, Germany, 2003, pp. 1345-1348.
41. "eGaN® FET drivers and layout considerations," EPC Corporation, El Segundo, CA, USA, 2012 [Online]. Available: http://epc-co.com
42. "LM5113, 5A, 100V half-bridge gate driver for enhancement mode GaN FETs," Texas Instruments Incorporated, Dallas, TX, USA, 2013 [Online]. Available: http://www.ti.com/product/LM5113
43. "DE1 development board," Altera Corporation, San Jose, CA, USA, 2012 [Online]. Available: http://www.altera.com
44. "Thermal performance of EPC eGaN® FETs," EPC Corporation, El Segundo, CA, USA, EPC App. Note AN011, 2011, pp. 1-4 [Online]. Available: http://epc-co.com
45. J. Strydom, M. de Rooij, and A. Lidow, "Gallium nitride transistor packaging advances and thermal modeling," EDN China pp. 1-13, Sep. 2012 [Online]. Available: www.epc-co.com
46. Nat. Instrum., Austin, TX, USA, "The NI vector signal transceiver hardware architecture," White Paper, Mar. 2014 [Online]. Available: http://www.ni.com/white-paper/14028/en/
47. G. Montoro, P. L. Gilabert, E. Bertran, and J. Berenguer, "A method for real-time generation of slew-rate limited envelopes in envelope tracking transmitters," in Proc. IEEE Int. Microw. Series on RF Front-ends for Softw.-Defined. Cognitive Radio Solutions, Feb. 2010, pp. 1-4.
48. J. Jeong, D. F. Kimball, M. Kwak, C. Hsia, P. Draxler, and P. M. Asbeck, "Wideband envelope tracking power amplifiers with reduced bandwidth power supply waveforms and adaptive digital predistortion techniques," IEEE Trans. Microw. Theory Techn., vol. 57, no. 12, pp. 3307-3314, Dec. 2009.
49. A. Zhu, P. J. Draxler, J. J. Yan, J. Brazil, D. F. Kimball, and P. M. Asbeck, "Open-loop digital predistorter for RF power amplifiers using dynamic deviation reduction-based volterra series," IEEE Trans. Microw. Theory Techn., vol. 56, no. 7, pp. 1524-1534, Jul. 2008.
50. J. Hoversten, S. Schafer, M. Roberg, M. Norris, D. Maksimovic, and Z. Popović, "Codesign of PA, supply, and signal processing for linear supply-modulated RF transmitters," IEEE Trans. Microw. Theory Techn., vol. 60, no. 6, pp. 2010-2020, Jun. 2012.
51. D. Kim, D. Kang, J. Choi, J. Kim, Y. Cho, and B. Kim, "Optimization for envelope shaped operation of envelope tracking power amplifier," IEEE Trans. Microw. Theory Techn., vol. 59, no. 7, pp. 1787-1795, Jul. 2011.