Results 21 to 30 of about 10,259 (303)
Optimizing Power Losses and Efficiency of Broadband Parallel-Circuit Class-E Power Amplifier
IEEE AccessThis paper presents a design method for a watt-level high-efficiency broadband power amplifier (BPA) with a generalized parallel-circuit (PC) Class-E model.
Heng Lu, Jianliang Jiang, Hengli Zhang
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Broadband and Energy-Efficient Power Amplifier Architectures
, 2015 In this dissertation, power amplifier circuits and architectures are proposed that provide high efficiency for spectral-efficient high peak-to-average power ratio signals that are being used in modern communications systems. Using the proposed amplifier architectures and circuits high efficiency can be achieved in large frequency bandwidth.
Akbarpour, Mohammadhassan
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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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IEEE Access, 2023 In this paper we present a broadband monolithic balanced amplifier reaching 30 dBm output power over a range from 5.7 GHz up to 35.1 GHz. To the best of our knowledge, such broad operational bandwidth has never been reported in literature for balanced ...
Robert Smolarz +3 more
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IEEE Access, 2022 A broadband power amplifier in a 250-nm InP HBT technology is presented, working at full $H$ -band (220–320 GHz). A cascode transistor is employed as a power cell to achieve high gain and power at $H$ -band.
Yeongmin Jang +2 more
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Linearization of broadband microwave amplifier [PDF]
Serbian Journal of Electrical Engineering, 2014 The linearization of broadband power amplifier for application in the frequency range 0.9-1.3 GHz is considered in this paper. The amplifier is designed for LDMOSFET characterized by the maximum output power 4W designing the broadband lumped ...
Đorić Aleksandra +3 more
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IEEE Access, 2021 This paper presents a modular technology for two-stage broadband power amplifier (PA) design. The proposed method focuses on separately realizing two stage’s flat gain characteristics, thus providing the entire circuit’s required flatness ...
Jun Hu +3 more
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Ultra Broadband Low Power MMIC Amplifier [PDF]
2000 30th European Microwave Conference, 2000 A low power two-stage InP HEMT MMIC amplifier has been developed. The amplifier utilizes 0.12 µm T-gate InP HEMTs with 225 µm gate periphery. This compact microstrip MMIC is only 1.5 mm 2 in size. It exhibits gain of 12.51 dB at 15 mW of dissipated power over an operating range from 1 to 50 GHz.
Radisic, Vesna +8 more
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A METHOD FOR DESIGNING BROADBAND DOHERTY POWER AMPLIFIERS [PDF]
Progress In Electromagnetics Research, 2014 In this contribution, a design approach for the realization of broadband Doherty Power Ampliflers (DPAs) is proposed and demonstrated. The methodology is based on the exploitation of the wideband response of 2-sections branch-line couplers both as input splitter and output combiner of the DPA.
PIAZZON, LUCA +3 more
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IEEE Access, 2023 This paper presents a 2.8-3.8 GHz broadband 2-stage fully differential Doherty power amplifier using direct interstage power division based on a 2- $\mu \text{m}$ InGaP/GaAs HBT process for 5G new radio handset applications.
Hansik Oh +6 more
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