Results 21 to 30 of about 5,300,992 (236)
Attention mechanism based bidirectional LSTM model for broadband power amplifier linearization
Electronics Letters, 2023 In this letter, a novel model for broadband power amplifier (PA) linearization is proposed, namely Attention Mechanism based Bidirectional Long Short-term Memory network (AM-BiLSTM). In order to verify the linearization performance of the AM-BiLSTM model,
Rina Su +3 more
semanticscholar +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
openaire +3 more sources
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
openaire +2 more sources
A high-gain cell enhancer [PDF]
, 1992 A cell enhancer that offers a combination of high-grain and high output power with extremely good linearity is described. The prototype repeater offers an active gain of at least 100 dB over a bandwidth of several megahertz.
Slingsby, WT, McGeehan, JP
core +1 more source
A Maximum Efficiency-86% Hybrid Power Modulator for 5G New Radio(NR) Applications
Applied Sciences, 2022 A hybrid power modulator is presented for the radio frequency (RF) power amplifiers of 5th generation mobile communication technology (5G) new radio (NR) applications. A hybrid power modulator utilizing a two-level switching converter and a broadband and
Xingli Cui +4 more
doaj +1 more source
IEEE Access, 2021 This paper presents a new design methodology for broadband Doherty architecture using the three-port input and output networks technique. The proposed topology was developed to overcome the Doherty power amplifier (DPA) bandwidth limitations.
A. M. Elelimy Abounemra +6 more
doaj +1 more source