Results 31 to 40 of about 103,193 (347)
Design of RF Power Amplifiers Using Parallel-Series Power Combining Transformers [PDF]
Engineering and Technology Journal, 2015 This paper presents the design of a one watt-level RF CMOS Power Amplifier (PA) based on power combining transformers PSCT in 0.13 µm technology using ADS 2011.10.
Suhad. H. Jasim, Ahmed S. Ezzulddin
doaj +1 more source
Radio Frequency-Based Implantable Glucose Biosensor
International Journal of Electrochemical Science, 2022 Current implantable sensors are invasive, form fibrotic capsules, and are susceptible to a disconnection between the sensor and the controller. Here, we have developed an implantable wireless glucose monitoring system.
Jin Tan +4 more
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A Novel High-Power-Factor Single-Switch Electronic Ballast for Compact Fluorescent Lamps
Eletrônica de Potência, 2004 In this paper a high-power-factor electronic ballast for compact fluorescent lamps based on the class E amplifier and featuring low voltage stress across the switch is presented.
Mario Ponce +4 more
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Multilevel Power Supply for High Efficiency RF Amplifiers [PDF]
, 2009 In radio systems linear power amplifiers (class A, B or AB) are usually used as a solution for the power amplifier stage. These amplifiers have high linearity, but suffer from low efficiency when the transmitted signal has low peak-to-average power ratio.
Alou Cervera, Pedro +5 more
core +1 more source
Energies, 2019 In this paper, a steady-state matrix analysis method is introduced to analyze the output characteristics of the class-E power amplifier used in a wireless power transfer (WPT) system, which takes the inductance resistance, on-resistance and leakage ...
Feng Wen, Rui Li
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Comprehensive and Simplified Numerical Design Procedure for Class-E Switching Circuits
IEEE Access, 2021 This paper proposes comprehensive and simplified numerical design procedures for the class-E switching circuits with the Particle Swarm Optimization (PSO) algorithm.
Wenqi Zhu +3 more
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Envelope amplifier based on switching capacitors for high efficiency RF amplifiers [PDF]
, 2012 Modern transmitters usually have to amplify and transmit signals with simultaneous envelope and phase modulation. Due to this property of the transmitted signal, linear power amplifiers (class A, B, or AB) are usually used as a solution for the power ...
Alou Cervera, Pedro +6 more
core +2 more sources
The Journal of Engineering, 2015 Integration of a class-E power amplifier (PA) and a thin-film bulk acoustic wave resonator (FBAR) filter is shown to provide high power added efficiency in addition to superior out-of-band spectrum suppression.
Kyle Holzer, Jeffrey S. Walling
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A wideband 0.9–2.4 GHz 25 W high‐efficiency Gallium Nitride radio frequency power amplifier
Engineering Reports, 2021 In this work, a 0.9–2.4 GHz, 25 W output power, radio frequency (RF) power amplifier based on Class‐E switchmode topology has been analyzed. A load‐pull simulation method is used to optimize the power performance in the operating band.
Tanghid B. Rashid, Heather Song
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Switching capacities based envelope amplifier for high efficiency RF amplifiers [PDF]
, 2010 Modern transmitters usually have to amplify and transmit signals with simultaneous envelope and phase modulation. Due to this property of the transmitted signal, linear power amplifiers (class A, B or AB) are usually used as a solution for the power ...
Alou Cervera, Pedro +4 more
core +1 more source