Results 41 to 50 of about 1,717 (209)
Review of Efficiency CMOS Class AB Power Amplifier Topology in Gigahertz Frequencies
ASM Science Journal, 2022 This paper reviewed the efficiency of CMOS class AB power amplifier topology especially in gigahertz frequencies. CMOS class AB power amplifier is a compromise between class A and class B in terms of linearity and efficiency between 50% to 78.5%. However,
Rohana Sapawi
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K-band combined GaAs monolithic Doherty power amplifier [PDF]
, 2018 This paper presents the design, simulations, and measurements of a 35 dBm K-band Doherty power amplifier, fabricated on 0.15μm GaAs monolithic technology of Qorvo.
Quaglia R. +8 more
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Supply Modulation Behavior of a Doherty Power Amplifier
IEEE Journal of Microwaves, 2021 This paper presents a study of supply modulation in a Doherty power amplifier (DPA). To validate a simplified theoretical model, a 3.5 GHz conventional symmetrical DPA using a 6-W packaged GaN pHEMT is designed for supply modulation of the main and/or ...
Dan Fishler, Zoya Popovic, Taylor Barton
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Broadband Virtual-Stub Doherty Power Amplifier Using Asymmetric Structure
IEEE Access, 2023 The load networks of advanced Doherty power amplifiers (DPAs) have traditionally been designed according to the ABCD parameters. In this paper, design conditions as an impedance transformation condition and an effective electrical length were used to ...
Jaekyung Shin +11 more
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A 2.14GHz Driver-stage Power Amplifier for Doherty Power Amplifier
DEStech Transactions on Computer Science and Engineering, 2017 This paper presented a high power amplifier drive a Doherty power amplifier. By using computer software to design and test instrument to adjust, the result shows the driver-stage power amplifier that is made of the MRF8S21100H from NXP company meet the 15dB gain, and 42% power added-efficiency (PAE) at the maximum output power.
XIN ZHANG, BIN WANG, ZICHENG XIONG
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IEEE Access, 2018 This paper presents a $V$ -band Doherty power amplifier (PA) which is implemented in a standard 65-nm CMOS technology. The voltage combination technique is used to realize the millimeter-wave Doherty PA without the $\lambda $ /4 transmission lines.
Dong Chen +5 more
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Analysis and Design of CMOS Doherty Power Amplifier Based on Voltage Combining Method
IEEE Access, 2017 The impedance at the each input terminal of paper presents a voltage combining Doherty power amplifier in a standard 180-nm CMOS process. This Doherty PA uses a series combining transformer (SCT) to combine the output power and realize the load ...
Chenxi Zhao +3 more
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Recent Developments of Dual-Band Doherty Power Amplifiers for Upcoming Mobile Communications Systems
, 2019 Power amplifiers in modern and future communications should be able to handle different modulation standards at different frequency bands, and in addition, to be compatible with the previous generations.
Yahya, Maan A. +15 more
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A Broadband Doherty Power Amplifier for Sub-6GHz 5G Applications
IEEE Access, 2023 This paper presents a novel and accurate procedure for designing a Doherty power amplifier (DPA) for wireless systems. The method is based on a systematic approach to designing the matching networks of both Main and Auxiliary devices, which employs an ...
Mohammad Shahmoradi +4 more
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Broadband Doherty Power Amplifier With Transferable Continuous Mode
IEEE Access, 2020 In this paper, in-band continuous mode transferring (CMT) method is presented for designing broadband Doherty power amplifier (DPA). Specifically, transferable continuous mode, transferring between class-J continuum to class-F-1 continuum, is introduced ...
Decheng Gan +4 more
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