Print Email Facebook Twitter A 60W Compact Highly Efficient Wideband Class-E Power Amplifier Title A 60W Compact Highly Efficient Wideband Class-E Power Amplifier Author Shi, K. Contributor De Vreede, L.C.N. (mentor) Calvillo-Cortés, D.A. (mentor) Van Rijs, F. (mentor) Faculty Electrical Engineering, Mathematics and Computer Science Department Microelectronics & Computer Engineering Programme Microelectronics Date 2010-08-26 Abstract With the rapid growth of wireless communication systems, there is more and more demand for radio frequency power amplifiers (RFPAs) in base stations to be power-efficient so as to reduce the cooling and electrical power cost. Besides the efficient requirement, wide-band working frequency and compact PCB size are also attractive for cutting more cost. This thesis deals with a switch-mode Class E power amplifier which provides wide-band, highly efficient and compact size performance, with a 60W GaN HEMT device. A mathematical model for Class E amplifier is presented and analyzed. Based on the model, a novel design procedure for wide-band power amplifier design is proposed. The input/output matching networks in the amplifier are built by bondwires and pre-matching capacitors so as to give an extremely compact size. The 60W compact wide-band power amplifier is then implemented with PCB to verify the concept. A wide-band measured output power performance is observed over 1.7GHz - 2.3GHz in the range of 40-65W and the measured drain efficiency is between 66% and 74%; measured PAE is between 61% and 70%. Transducer power gain is 12dB ± 1dB over the frequency range. Besides the amplifier, additional work is about large signal device modeling with PolyHarmonic Distortion model which is based on acquiring X-parameters of a device. Subject power amplifierwide-bandcompactclass-E To reference this document use: http://resolver.tudelft.nl/uuid:57eec888-537f-4430-9366-bbd8f887fc7f Part of collection Student theses Document type master thesis Rights (c) 2010 Shi, K. Files PDF Kanjun_Thesis.pdf 31.36 KB Close viewer /islandora/object/uuid:57eec888-537f-4430-9366-bbd8f887fc7f/datastream/OBJ/view