J. Lee, D. Lee, and S. Hong, "A Doherty Power Amplifier with a GaN MMIC for Femtocell Base Stations," IEEE Microw. Wireless Compon. Lett., vol. 24, no. 3, pp. 194-196, Mar. 2014.
J. Ham, H. Jung, J. Bae, W. Lim, K. Hwang, K. Lee, C. Park, and Y. Yang, "Dual Bias Modulator for Envelope Tracking and Average Power Tracking Modes for CMOS Power Amplifier," Journal of Semiconductor Technology and Science, vol. 14, no. 6, pp. 802-809, Dec. 2014.
C. Kim, S. Jee, G. Jo, K. Lee and B. Kim, "A 2.14-GHz MMIC Doherty Power Amplifier for Small-Cell Base Stations," IEEE Microw. Wireless Compon. Lett., vol. 24, no. 4, pp. 263-265, Apr. 2014.
J. Lee, S Jee, B. Park, C. Kim, and B. Kim, "GaN MMIC Broadband Saturated Power Amplifier," in Asia-Pacific Microw. Conf. Dig., pp. 606-608, Nov. 2013.
J. Kwon, M. Seo, H. Lee, J. Gu, J. Ham, K. Hwang, K. lee, C. Park, and Y. Yang, "Broadband Doherty Power Amplifier Based on Asymmetric Load Matching Networks," IEEE Trans. Circuits Syst. II, Reg. Papers, vol. 62, no. 6, pp. 533-537, Jun. 2015.
M. Seo, H. Lee, J. Gu, H. Kim, J. Ham, W. Choi, Y. Yun, K. Kenneth, and Y. Yang, "High-Efficiency Power Amplifier Using an Active Second-Harmoni Injection Technique Under Optimized Third-Harmonic Termination," IEEE Trans. Circuits Syst. II, Reg. Papers, vol. 61, no. 8, pp. 549-553, Aug. 2014.
P. Page, C. Steinbeiser, T. Landon, G. Burgin, R. Hajji, R. Branson, O. Krutko, J. Delaney, and L. Witkowski, "325W HVHBT Doherty Final and LDMOS Doherty Driver with 30 dB Gain and 45% PAE linearized to -55 dBc for 2c11 6.5 dB PAR", IEEE Compound Semiconductor Integr. Circuit Symp., Oct. 2011. pp. 1-4.
I. Bahl, Fundamentals of RF and Microwave Transistor Amplifiers. Hoboken, NJ: Wiley, 2009, 978-0-470-39166-2.
A. Khan, H. Sarbishaei, and Boumaiza, "High Efficiency Two-Stage GaN Power Amplifier with Improved Linearity," in IEEE Power Amplifiers Wireless Radio Appl., Jan. 2014, pp. 4-6.
S. Jee, J. Lee, S. Kim, Y. Park, and B. Kim, "Highly Linear 2-Stage Doherty Power Amplifier Using GaN MMIC," Journal of Electromagnetic Engineering and Science, vol. 14, no. 4, pp. 399-404, Dec. 2014.
D. Jang, J. Kim, and J. Kim, "High Efficiency Two-Stage Unbalanced Doherty Power Amplifier for LTE Applications," Microw. Opt. Tech. Lett., vol. 55, no. 9, pp. 2176-2179, Sep. 2013.
RFHIC, GaN Hybrid Power Amplifier HT2626-15A datasheet, Ver. 0.1, 2013.
Sumitomo Electric device Innovations, Inc., GaN HEMTs for Base Station SGFCF30T-A datasheet.
TriQuint, GaN Power Transistor TQP0103datasheet, Rev C, 2014.