Results 11 to 20 of about 339,663 (292)
Filtering Power Amplifier With Up to 4th Harmonic Suppression
IEEE Access, 2020 Unlike conventional conception that power amplifier and filter are regarded as two separate components and designed separately, this paper presents a high efficiency power amplifier with filtering capability, which is called filtering power amplifier ...
Xiaobo Qi, Fei Xiao
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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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Design of 960~1 400 MHz broadband power amplifier
Dianzi Jishu Yingyong, 2023 Based on laterally diffused metal-oxide-semiconductor (LDMOS) devices, a broadband RF power amplifier for L-band was developed. The amplifier is composed of two stages of amplification and cascade connection. In order to achieve broadband and good output
Cheng Sujie +4 more
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Results in Physics, 2021 In this paper, a 420 km Optical transport network (OTN) transmission system of 8 × 100 Gbit/s signals was achieved with amplifier combination of a low cost second order Raman amplifier and an enhanced remotely pump amplifier.
Ronghua Chi, Leilei Li
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IEEE Access, 2020 Active magnetic suspension bearing technology has been widely used in the field of high-speed motors because of its many technical advantages. A switching power amplifier is an important part of active magnetic bearing.
Yaping He, Xi He, Jien Ma, Youtong Fang
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High Efficiency Power Amplifier Based on Envelope Elimination and Restoration Technique [PDF]
, 2010 Due to complex envelope and phase modulation employed in modern transmitters it is necessary to use power amplifiers that have high linearity. Linear power amplifiers (classes A, B and AB) are commonly used, but they suffer from low efficiency especially
Alou Cervera, Pedro +9 more
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The Doherty Power Amplifier [PDF]
, 2010 The Doherty power amplifier (DPA) is hereby presented and described starting from the basic idea up to more advanced and state-of-art results and guidelines. The DPA historical aspect is also covered, describing the timeline of its evolution. Moreover, the reasons related to why this architecture, roughly 80 years after its invention, is still on its ...
COLANTONIO, PAOLO +3 more
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Design of a Doherty Power Amplifier for GSM Systems
Tikrit Journal of Engineering Sciences, 2011 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.
Saad Wasmi Osman Luhaib
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Design of miniaturized high efficiency power amplifier based on harmonic suppression
Dianzi Jishu Yingyong, 2023 To overcome conventional VHF power amplifiers′ shortcomings of bulky size, low efficiency, and EM interferences due to output harmonics, a miniaturized, high power and high efficiency power amplifier working in VHF band is designed by using lumped ...
Liu Tianyun, Liu Shaobin
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Sensors, 2019 The linear power amplifier with high-output power in the broadband frequency is the critical component required by exciting the electromagnetic acoustic transducer (EMAT) to generate ultrasonic guided wave (UGW).
Jinjie Zhou, Yang Zheng
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