Results 11 to 20 of about 4,965,450 (253)
Intermodulation distortion performance enhancement of microwave power amplifiers [PDF]
, 2000 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This thesis reports the author's investigation of the effects of the injection of specific signals on the intermodulation distortion performance of ...
Mbabele, Modeste
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AM/PM Characterization of Wideband Power Amplifiers [PDF]
, 2022 This paper presents the linearity assessment of two state-of-the-art wideband power amplifiers, a single stage class AB and a two-way 6 dB Doherty, in terms of amplitude-to-phase-modulation (AM/PM) distortion.
Moreno Rubio, Jorge Julian +7 more
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Harmonic-Reduced Bias Circuit for Ultrasound Transducers
Sensors, 2023 The gain of class-C power amplifiers is generally lower than that of class-A power amplifiers. Thus, higher-amplitude input voltage signals for class-C power amplifiers are required.
Hojong Choi
doaj +1 more source
IEEE Access, 2021 Electrical power converters use semiconductor switching devices for a larger loss reduction compared with non-switching power linear amplifiers, such as class-B amplifiers.
Hidemine Obara +2 more
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Micromachines, 2019 Point-of-care ultrasound systems are widely used in ambulances and emergency rooms. However, the excessive heat generated from ultrasound transmitters has an impact on the implementation of piezoelectric transducer elements and on battery consumption ...
Hojong Choi
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A design methodology for audio amplifiers with no global negative feedback: proposal and validation
Semina: Ciências Exatas e Tecnológicas, 2022 This paper proposes a structured methodology for the design of high-performance audio amplifiers without the use of global negative feedback. This type of amplifier is being suggested in order to minimize supposed deleterious effects on audio quality ...
Rafael Marchiori Visintin +3 more
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Design and Stability Analysis Techniques for Switching-Mode Nonlinear Circuits: Power Amplifiers and Oscillators [PDF]
, 2006 A design technique for kW level switching mode power amplifiers is presented. Several push pull pairs, independently tuned to Class E/Fodd, are combined by a distributed active transformer.
Jeon, Sanggeun
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Class-E Amplifier Design Improvements for GSM Frequencies
The Journal of Engineering Research, 2011 Efficient power amplifiers are essential in portable battery-operated systems such as mobile phones. Also, the power amplifier (PA) is the most power-consuming building block in the transmitter of a portable system.
Z. Nadir, F. Touati
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A New Topology of Load Network for Class F RF Power Amplifiers [PDF]
Engineering and Technology Journal, 2016 High efficiency RF power amplifiers are increasingly needed in modern mobile communication systems to reduce the battery size and power supply consumption.
Firas Mohammed Ali Al-Raie
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Filterless, Digital Class-BD Audio Amplifiers with Constant Common Mode Output Voltage
Energies, 2021 This paper presents new and original architectures and implementations of two filterless, open-loop digital Class-BD audio amplifiers with constant common mode (CM) output voltage.
Stanisław Kuta +3 more
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