Results 291 to 300 of about 103,193 (347)

An Open Multifunctional FPGA-Based Pulser/Receiver System for Intravascular Ultrasound (IVUS) Imaging and Therapy. [PDF]

Sensors (Basel)
Assef AA, Moura PLS, Maia JM, Vu P, Olomodosi AO, Strassle Rojas S, Lindsey BD.   +6 more
europepmc   +1 more source

Design and development of the Class E RF power amplifier prototype by using a power MOSFET

, 2007
Tiao-Tiao Xie
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Sensitivity Characteristics of Inverse Class-E Power Amplifier

IEEE Transactions on Circuits and Systems Part 1: Regular Papers, 2007
In this paper, an analysis is performed in order to determine the effects that variations in circuit component values, frequency, and duty cycle have on the performance of the newly introduced inverse Class-E amplifier. Analysis of the inverse Class-E amplifier under the generalized condition of arbitrary duty cycle is performed and it is shown that ...
Vincent Fusco
exaly   +3 more sources

Design of class-E power amplifier for capacitive power transfer system

Microelectronics Journal, 2018
Abstract High frequency power source is an indispensable part of capacitive power transfer system, and its performance plays an essential role in the overall system. Considering that class-E power amplifier is a prominent switched-mode power amplifier, and its power conversion efficiency can reach nearly 100%, theoretically.
Yanfang Wei, Xiaoxian Liu
exaly   +2 more sources

A CMOS class-E Power Amplifiers with Power Control

2007 IEEE International Symposium on Circuits and Systems, 2007
In this paper, a CMOS class-E power amplifier with power control is presented. Its output power could be varied over a broad range with high efficiency by utilizing the combination of the parallel amplification technique and the drain modulation technique.
Tongqiang Gao, Dongmei Li, Baoyong Chi, Zhihua Wang 0001   +3 more
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Continuous Class-E Power Amplifier Modes

IEEE Transactions on Circuits and Systems II: Express Briefs, 2012
In this brief, a continuum of novel closed-form solutions is derived for class-E power amplifiers (PAs). It is analytically proven that the class-E zero voltage/zero voltage derivative switching conditions can be satisfied for an arbitrarily selected reactive second harmonic switch impedance (Z2S).
Mustafa Ozen, Rik Jos, Christian Fager
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An RF Choke-Less Class E Power Amplifier

IEEE Transactions on Circuits and Systems II: Express Briefs, 2020
An RF-choke (RFC) is a crucial but difficult-to-realize component of all Class-E power amplifiers (PAs). A Class-DE PA does not require an RFC but requires two non-overlapping clocks for its operation. This brief presents an RFC-less Class-E PA which operates with a single 50% duty-cycled clock.
Gagan Deep Singh, Nagarjuna Nallam
openaire   +1 more source