Article citationsMore>>

Jung, J., Kim, U., Jeon, J., Kim, J., Kang, K. and Kwon, Y. (2005) A New “Series-Type” Doherty Amplifier for Miniaturization. IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, 12-14 June 2005, 259-262.

has been cited by the following article:

• TITLE: A High Efficiency Doherty Power Amplifier for TV Band Applications

  AUTHORS: Mohamad Y. Abou-Shahine, Youssef Nasser, Karim Y. Kabalan

  KEYWORDS: Power Amplifier, Class AB, Doherty Power Amplifier, Efficiency, TV Band

  JOURNAL NAME: Journal of Electromagnetic Analysis and Applications, Vol.7 No.12, December 9, 2015

  ABSTRACT: This paper presents a high efficiency Doherty power amplifier suitable for TV band applications. A class AB power amplifier is firstly implemented using a commercial GaN HEMT from Cree Incorporation, achieving a high power-added-efficiency of 77.78% and a 40.593 dBm output power with an associated gain of 21.65 dB. The Doherty amplifier has then been designed following the previous class AB scheme for the main amplifier and a class C scheme for the peak one. This amplifier attained a high power-added-efficiency of 81.94%, a 42.77 dBm output power, an associated gain of 21.32 dB, and an operating frequency bandwidth between 550 and 1000 MHz (58.06% fractional bandwidth) which made it suitable for TV band applications.