1. Cripps, S. C., RF Power Amplifiers for Wireless Communications, Artech House, 1999.
2. Hanington, G., P. F. Chen, P. M. Asbeck, and L. E. Larson, "High-efficiency power amplifier using dynamic power-supply voltage for CDMA applications," IEEE Transactions on Microwave Theory and Techniques, Vol. 47, No. 8, 1471-1476, 1999.
doi:10.1109/22.780397
3. Sun, G. and R. H. Jansen, "Broadband Doherty power amplifier via real frequency technique," IEEE Transactions on Microwave Theory and Techniques, Vol. 60, No. 1, 99-111, 2012.
doi:10.1109/TMTT.2011.2175237
4. Kartikeyan, M. V., E. Borie, and M. Thumm, Gyrotrons: High-power Microwave and Millimeter Wave Technology, Springer Science and Business Media, 2013.
5. Agah, A., H. Dabag, B. Hanafi, P. Asbeck, L. Larson, and J. Buckwalter, "A 34% PAE, 18.6 dBm 42-45 GHz stacked power amplifier in 45 nm SOI CMOS," 2012 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 57-60, 2012.
doi:10.1109/RFIC.2012.6242231
6. Abbosh, A. M., "A compact UWB three-way power divider," IEEE Microwave and Wireless Components Letters, Vol. 17, No. 8, 598-600, 2007.
doi:10.1109/LMWC.2007.901777
7. Song, K., F. Zhang, S. Hu, and Y. Fan, "Ku-band 200-W pulsed power amplifier based on waveguide spatially power-combining technique for industrial applications," IEEE Transactions on Industrial Electronics, Vol. 61, No. 8, 4274-4280, 2014.
doi:10.1109/TIE.2013.2284137
8. Ding, J., Q. Wang, Y. Zhang, L. Wu, and X. Sun, "High-efficiency millimetre-wave spatial power combining structure," Electronics Letters, Vol. 51, No. 5, 397-399, 2015.
doi:10.1049/el.2014.3695
9. Wu, K., "Integration and interconnect techniques of planar and non-planar structures for microwave and millimeter-wave circuits - Current status and future trend," 2001 IEEE In Asia-Pacific Microwave Conference, 411-416, 2003.
10. Song, K., F. Zhang, F. Chen, and Y. Fan, "Wideband millimetre-wave four-way spatial power combiner based on multilayer SIW," Journal of Electromagnetic Waves and Applications, Vol. 27, No. 13, 1715-1719, 2013.
doi:10.1080/09205071.2013.823123
11. Song, K., G. Li, Q. Duan, S. Hu, and Y. Fan, "Millimeter-wave waveguide-based out-of-phase power divider/combiner using microstrip antenna," AEU-International Journal of Electronics and Communications, Vol. 68, No. 12, 1234-1238, 2014.
doi:10.1016/j.aeue.2014.07.003
12. Dong, J., Y. Liu, Z. Yang, H. Peng, and T. Yang, "Broadband millimeter-wave power combiner using compact siw to waveguide transition," IEEE Microwave and Wireless Components Letters, Vol. 25, No. 9, 567-569, 2015.
doi:10.1109/LMWC.2015.2451366
13. Zheng, P., P. Zhou, W. H. Yu, H. J. Sun, , X. Lv, and H. Deng, "W-band power divider based on H-plane slot waveguide bridge," 2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Vol. 2, 1-4, 2012.
14. Zhao, X., X. Q. Xie, L. Zhou, and Y. L. Wu, "Four-way power divider/combiner based on waveguide microstrip structure in W-band," 2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Vol. 2, 1-4, 2012.
15. Li, C., L. B. Lok, A. Khalid, V. Papageorgiou, J. Grant, and D. R. S. Cumming, "A coplanar ring power divider with high isolation for V-band and W-band applications," Proceedings of the 42nd European Microwave Conference, 57-60, 2012.
16. Ma, R., M. Luo, H. Sun., Z. Li, and P. Zheng, "Design and simulation of a W-band two-way power divider based on substrate integrated waveguide," 2013 IEEE International Conference on Microwave Technology and Computational Electromagnetics (ICMTCE), 100-102, 2013.
17. Li, J., Y. Chu, and J. Xu, "A novel W-band solid-state power divider/combiner network based on waveguide microstrip structure," 2014 IEEE International Conference on Communication Problem-Solving (ICCP), 266-268, 2014.
18. Karimabadi, S. S. and A. R. Attari, "X-band multi-hole directional coupler with folded substrate-integrated waveguide," Electromagnetics, Vol. 35, No. 6, 404-414, 2015.
doi:10.1080/02726343.2015.1053354
19. Chen, K., B. Yan, and R. Xu, "A novel W-band ultra-wideband substrate integrated waveguide (SIW) T-junction power divider," 2010 Proceedings of International Symposium on Signals, Systems and Electronics (ISSSE), 1-3, 2010.