Relevant bibliographies by topics / Multiband doherty power amplifier

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Academic literature on the topic 'Multiband doherty power amplifier'

Author: Grafiati
Published: 6 September 2023
Last updated: 31 July 2025

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Journal articles on the topic "Multiband doherty power amplifier"

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Wiegner, Dirk, Gerhard Luz, Patrick Jüschke, et al. "AlGaN/GaN-based power amplifiers for mobile radio applications: a review from the system supplier's perspective." International Journal of Microwave and Wireless Technologies 2, no. 1 (2010): 95–104. http://dx.doi.org/10.1017/s175907871000022x.

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This paper gives a summarized overview on the progress and achievements on AlGaN/GaN high electron mobility transistors (HEMT)-based power amplifiers (PAs) for mobile radio applications which have been achieved within two national funded German projects during a period of six years. Starting with a first 34 dBm (2.5 W, peak) amplifier in 2003 the impressive progress toward highly efficient S-band mobile radio PAs with up to >50 dBm (100 W) peak output power is described by means of some selected single- and multiband amplifier demonstrators. This progress has been mainly enabled by clear pr
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Kalyan, Robin, Karun Rawat, and Shiban K. Koul. "Reconfigurable and Concurrent Dual-Band Doherty Power Amplifier for Multiband and Multistandard Applications." IEEE Transactions on Microwave Theory and Techniques 65, no. 1 (2017): 198–208. http://dx.doi.org/10.1109/tmtt.2016.2614930.

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Nghiem, Xuan Anh, Junqing Guan, Thomas Hone, and Renato Negra. "Design of Concurrent Multiband Doherty Power Amplifiers for Wireless Applications." IEEE Transactions on Microwave Theory and Techniques 61, no. 12 (2013): 4559–68. http://dx.doi.org/10.1109/tmtt.2013.2281959.

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Pang, Jingzhou, Zhijiang Dai, Yue Li, Meng Li, and Anding Zhu. "Multiband Dual-Mode Doherty Power Amplifier Employing Phase Periodic Matching Network and Reciprocal Gate Bias for 5G Applications." IEEE Transactions on Microwave Theory and Techniques 68, no. 6 (2020): 2382–97. http://dx.doi.org/10.1109/tmtt.2020.2971481.

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Kim, Bumman, Jangheon Kim, Ildu Kim, and Jeonghyeon Cha. "The Doherty power amplifier." IEEE Microwave Magazine 7, no. 5 (2006): 42–50. http://dx.doi.org/10.1109/mw-m.2006.247914.

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Qi, Xiaobo, and Fei Xiao. "Filtering Doherty power amplifier." IET Microwaves, Antennas & Propagation 14, no. 10 (2020): 1074–78. http://dx.doi.org/10.1049/iet-map.2019.0835.

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Osman Luhaib, Saad Wasmi. "Design of a Doherty Power Amplifier for GSM Systems." Tikrit Journal of Engineering Sciences 18, no. 3 (2011): 61–67. http://dx.doi.org/10.25130/tjes.18.3.07.

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This paper presents the design and analysis of Doherty power amplifier. The Doherty amplifier is used in a base station for mobile system because of its high efficiency. The class AB power amplifier used in the configuration of the main and auxiliary amplifier. The result obtained shows that the Doherty power amplifier can be used on a wide band spectrum, the amplifier works at 900MHz and has very good power added efficiency (PAE) and gain. The amplifier can also work at 1800MHz at input power greater than 20dBm.
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Barmala, Ehsan. "Design and simulate a doherty power amplifier using GaAs technology for telecommunication applications." Indonesian Journal of Electrical Engineering and Computer Science 15, no. 2 (2019): 845. http://dx.doi.org/10.11591/ijeecs.v15.i2.pp845-854.

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<span>In this paper, a Doherty power amplifier was designed and simulated at 2.4 GHz central frequency which has high efficiency. A Doherty power amplifier is a way to increase the efficiency in the power amplifiers. OMMIC ED02AH technology and PHEMT transistors, which is made of gallium arsenide, have been used in this simulation. The Doherty power amplifier unique feature is its simple structure which is consisting of two parallel power amplifiers and transmission lines. In order to integrate the circuit, the Doherty power transmission amplifier lines were implemented using an inductor
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Choi, Hojong. "A Doherty Power Amplifier for Ultrasound Instrumentation." Sensors 23, no. 5 (2023): 2406. http://dx.doi.org/10.3390/s23052406.

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The ultrasound instrumentation uses linear power amplifiers with low power efficiency, generating unwanted heat and resulting in the deterioration of the echo signal quality of measured targets. Therefore, this study aims to develop a power amplifier scheme to increase power efficiency while maintaining appropriate echo signal quality. In communication systems, the Doherty power amplifier has shown relatively good power efficiency while producing high signal distortion. The same design scheme cannot be directly applied to ultrasound instrumentation. Therefore, the Doherty power amplifier needs
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Shi, Weimin, and Songbai He. "Design of a Tri-Band Doherty Amplifier Based on Generalized Impedance Inverter." Journal of Circuits, Systems and Computers 28, no. 10 (2019): 1950170. http://dx.doi.org/10.1142/s0218126619501706.

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This paper introduces a methodology for implementing multi-band Doherty power amplifiers. Traditionally, a 90∘ impedance inverter line is required in Doherty architecture. In this contribution, a generalized impedance inverter line is utilized to construct multi-band Doherty power amplifiers. A tri-band Doherty power amplifier operating at 1.15, 1.85 and 2.55[Formula: see text]GHz is designed to validate the proposed method. Measurement results show the fabricated Doherty power amplifier achieves 6[Formula: see text]dB output back-off drain efficiencies of 62.3%, 49.3% and 50.5% at 1.15, 1.85
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Dissertations / Theses on the topic "Multiband doherty power amplifier"

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Jansen, Roelof. "Evaluation of Doherty Amplifier Implementations." Thesis, Stellenbosch : Stellenbosch University, 2008. http://hdl.handle.net/10019.1/20445.

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Thesis (MScIng)--Stellenbosch University, 2008.<br>ENGLISH ABSTRACT: Modern communication systems demand efficient, linear power amplifiers. The amplifiers are often operated in the backed-off power levels at which linear amplifiers such as class B amplifier are particularly inefficient. The Doherty amplifier provides an improvement as it increases efficiency at backed of power levels. Doherty amplifiers consists of two amplifiers, a carrier amplifier and a peaking amplifier, of which the output is combined in a novel way. Implementation of the Doherty amplifier with transistors is not id
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Kamarudin, Syalwani. "Advanced Doherty power amplifier design for modern communication systems." Thesis, Cardiff University, 2018. http://orca.cf.ac.uk/115269/.

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Mobile communication technologies are becoming increasingly sophisticated and have experienced rapid evolution over the last few decades, and this is especially true for the base station transmitter. In response to the ever increasing demand in communication traffic and data throughput, largely driven by video based social media platforms, both spectral and power efficient device and systems are needed to fulfil the requirements. In terms of energy consumption, the power amplifier is an important component, and although developing efficient technologies for handset equipment is important, it i
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Gebremicael, Kibrom Negash. "Compressive sensing based multiband RF power amplifier linearisation." Thesis, University of Bristol, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.730827.

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Tarar, Mohsin Mumtaz. "Design and Implementation of as Asymmetric Doherty Power Amplifier at 2.65 GHz in GaN HEMT Technology." Thesis, Linköpings universitet, Elektroniska komponenter, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-75976.

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Power amplifiers are an indispensible part of the wireless communication systems. Conventional PAs provide peak efficiency at peak output power which is obtained at a certain fixed optimum resistance. These kind of amplifiers are normally called switched-mode power amplifiers (SMPAs) and are used for constant envelope signals. However, there is low efficiency at low output power which is the linear operation of a PA and is used for the amplification of non-constant envelope signals. For an optimum PA design, linearity and efficiency are the requirements. There are efficiency  enhancement techn
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Smith, Karla Jenny Isabella. "Gate Bias Control and Harmonic Load Modulation for a Doherty Amplifier." Thesis, University of Canterbury. Electrical and Computer Engineering, 2009. http://hdl.handle.net/10092/2856.

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Linearity and efficiency are both critical parameters for radio frequency transmitter applications. In theory, a Doherty amplifier is a linear amplifier that is significantly more efficient than comparable conventional linear amplifiers. It comprises two amplifiers, connected at their outputs by a quarter-wave transformer. The main amplifier is always on, while the peaking amplifier is off during low power levels. Load modulation of the main amplifier occurs when the peaking amplifier is on due to the quarter-wave transformer, ensuring the main amplifier never enters saturation. This resul
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Viswanathan, Vani. "Efficiency Enhancement of Base Station Power Amplifiers Using Doherty Technique." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/9907.

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The power amplifiers are typically the most power-consuming block in wireless communication systems. Spectrum is expensive, and newer technologies demand transmission of maximum amount of data with minimum spectrum usage. This requires sophisticated modulation techniques, leading to wide, dynamic signals that require linear amplification. Although linear amplification is achievable, it always comes at the expense of efficiency. Most of the modern wireless applications such as WCDMA use non-constant envelope modulation techniques with a high peak to average ratio. Linearity being a critical iss
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Sajedin, M., Issa T. Elfergani, Jonathan Rodriguez, Raed A. Abd-Alhameed, M. Fernandez-Barciela, and M. Violas. "Ultra-Compact mm-Wave Monolithic IC Doherty Power Amplifier for Mobile Handsets." MDPI, 2021. http://hdl.handle.net/10454/18600.

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Yes<br>This work develops a novel dynamic load modulation Power Amplifier (PA) circuity that can provide an optimum compromise between linearity and efficiency while covering multiple cellular frequency bands. Exploiting monolithic microwave integrated circuits (MMIC) technology, a fully integrated 1W Doherty PA architecture is proposed based on 0.1 µm AlGaAs/InGaAs Depletion- Mode (D-Mode) technology provided by the WIN Semiconductors foundry. The proposed wideband DPA incorporates the harmonic tuning Class-J mode of operation, which aims to engineer the voltage waveform via second harmon
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Shao, Jin. "Advanced Power Amplifiers Design for Modern Wireless Communication." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc804973/.

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Modern wireless communication systems use spectrally efficient modulation schemes to reach high data rate transmission. These schemes are generally involved with signals with high peak-to-average power ratio (PAPR). Moreover, the development of next generation wireless communication systems requires the power amplifiers to operate over a wide frequency band or multiple frequency bands to support different applications. These wide-band and multi-band solutions will lead to reductions in both the size and cost of the whole system. This dissertation presents several advanced power amplifier solut
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Seneviratne, Sashieka. "Efficiency Enhancement of Pico-cell Base Station Power Amplifier MMIC in GaN HFET Technology Using the Doherty Technique." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23078.

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With the growth of smart phones, the demand for more broadband, data centric technologies are being driven higher. As mobile operators worldwide plan and deploy 4th generation (4G) networks such as LTE to support the relentless growth in mobile data demand, the need for strategically positioned pico-sized cellular base stations known as ‘pico-cells’ are gaining traction. In addition to having to design a transceiver in a much compact footprint, pico-cells must still face the technical challenges presented by the new 4G systems, such as reduced power consumptions and linear amplification of the
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Barakat, Ayman. "Doherty power amplifier efficiency and bandwidth enhancement based on a generic design approach." Thesis, Queen's University Belfast, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.725336.

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This thesis presents a novel synthesis that generalizes the Doherty power amplifier theory of operation with regard to the combiner parameters. This analysis introduces, through a new parameter "x", simple formulae that re-define the relationships between the combiner parameters for a load modulation process over wide bandwidth and efficient usage at the combiner elements.
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Book chapters on the topic "Multiband doherty power amplifier"

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Elsayed, Nourhan, Hani Saleh, Baker Mohammad, Mohammed Ismail, and Mihai Sanduleanu. "Doherty Power Amplifier." In Analog Circuits and Signal Processing. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-92746-2_3.

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Chen, Wenhua, Karun Rawat, and Fadhel M. Ghannouchi. "Multiband Power Amplifier Design." In Multiband RF Circuits and Techniques for Wireless Transmitters. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-50440-6_5.

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Pradeep, Deepa, and B. Ananda Venkatesan. "All-Digital RF Transmitter with Highly Power-Efficient Doherty Power Amplifier." In Lecture Notes in Electrical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7251-2_3.

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Shahmordi, Mohammad, Sayyed-Hossein Javid-Hosseini, Vahid Nayyeri, Rocco Giofrè, and Paolo Colantonio. "A Broadband Doherty Power Amplifier for Sub-6 5G Applications." In Proceedings of SIE 2022. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-26066-7_11.

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Abdulkhaleq, Ahmed M., Yasir Al-Yasir, Naser Ojaroudi Parchin, et al. "A 70-W Asymmetrical Doherty Power Amplifier for 5G Base Stations." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-05195-2_44.

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Sarathkrishna, S., S. Mridula, P. Mohanan, and S. Abhilash. "Design of Multiband GaN HEMT Power Amplifier for Radar Applications." In Proceedings of Fifth International Conference on Computer and Communication Technologies. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9707-7_11.

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Singh, Sukhpreet, and Paras Chawla. "A Highly Efficient and Broadband Doherty Power Amplifier Design for 5G Base Station." In Proceedings of International Conference on Data Science and Applications. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5120-5_16.

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Singh, Sukhpreet, Atul Babbar, Ahmed Alkhayyat, Ganesh Gupta, Sandeep Singh, and Jasgurpreet Singh Chohan. "High Performance RF Doherty Power Amplifier for Future Wireless Communication Applications—Review, Challenges, and Solutions." In Advances in Data and Information Sciences. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-6906-7_45.

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Kim, Bumman. "Enhancement of Doherty Amplifier." In Doherty Power Amplifiers. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-12-809867-7.00003-x.

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"The Doherty Power Amplifier." In High Efficiency RF and Microwave Solid State Power Amplifiers. John Wiley & Sons, Ltd, 2009. http://dx.doi.org/10.1002/9780470746547.ch11.

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Conference papers on the topic "Multiband doherty power amplifier"

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Qiu, Yuan, Xiao-Wei Zhu, and Lei Zhang. "A 26GHz GaN MMIC Doherty Power Amplifier." In 2024 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2024. http://dx.doi.org/10.1109/icmmt61774.2024.10671776.

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Indumathi, S., Kushan Chakraborty, P. Sion, and V. Satyanarayana. "Simplified Doherty Power Amplifier With Harmonic Suppression." In 2024 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON). IEEE, 2024. https://doi.org/10.1109/mapcon61407.2024.10922970.

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Lin, Q., M. Q. Wang, and L. S. Liu. "Temperature Characteristics Survey for a Doherty Power Amplifier." In 2024 Cross Strait Radio Science and Wireless Technology Conference (CSRSWTC). IEEE, 2024. https://doi.org/10.1109/csrswtc64338.2024.10811609.

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Duan, Chengxiang, Dayan Yuan, and Yuanhua Diao. "2~3GHz Broadband Doherty Power Amplifier Based on Improved Carrier Power Amplifier Output Matching." In 2024 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP). IEEE, 2024. https://doi.org/10.1109/imws-amp62793.2024.10966527.

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Sheng, Ke-Long, Xiang Wang, Song-Song Qian, Shi-Shan Qi, Zhi-Yuan Zong, and Wen Wu. "Design of a X-Band Filtering Doherty Power Amplifier." In 2024 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2024. http://dx.doi.org/10.1109/icmmt61774.2024.10672103.

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Juschke, P., D. Wiegner, G. Luz, R. Machinal, A. Pascht, and R. Quay. "Multiband Doherty RF power amplifier." In AFRICON 2011. IEEE, 2011. http://dx.doi.org/10.1109/afrcon.2011.6072119.

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Takenaka, Kiichiro, Tsuyoshi Sato, Hidetoshi Matsumoto, Makoto Kawashima, and Norio Nakajima. "Novel broadband Doherty power amplifier design for multiband handset applications." In 2017 IEEE/MTT-S International Microwave Symposium - IMS 2017. IEEE, 2017. http://dx.doi.org/10.1109/mwsym.2017.8058693.

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Takenaka, Kiichiro, Yuuma Noguchi, Satoshi Arayashiki, and Takaya Wada. "Multiband Doherty Power Amplifier Design for 5G NR Sub-6 GHz Handset Applications." In 2022 Asia-Pacific Microwave Conference (APMC). IEEE, 2022. http://dx.doi.org/10.23919/apmc55665.2022.9999751.

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Hu, Song, Fei Wang, and Hua Wang. "2.1 A 28GHz/37GHz/39GHz multiband linear Doherty power amplifier for 5G massive MIMO applications." In 2017 IEEE International Solid- State Circuits Conference - (ISSCC). IEEE, 2017. http://dx.doi.org/10.1109/isscc.2017.7870246.

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Pengelly, Raymond S. "The Doherty power amplifier." In 2015 IEEE MTT-S International Microwave Symposium (IMS2015). IEEE, 2015. http://dx.doi.org/10.1109/mwsym.2015.7166705.

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Reports on the topic "Multiband doherty power amplifier"

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Baker, Bryant. A 3.6 GHz Doherty Power Amplifier with a 40 dBm Saturated Output Power using GaN on SiC HEMT Devices. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.1780.

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