Implementation of Class-E CMOS Power Amplifier
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 6
Abstract
power efficiency being an important factor in power amplifiers, it is strictly noted to use amplifiers in various applications. In switched common source class amplifiers, it is usually obtained at the expense of device stress. At the same time, the power loss happens which can be minimized using positive feedback technique. Generally, class-e power amplifier which is operated as a switch is the one that is used in most applications. Practically, class-e amplifiers can achieve very high efficiencies. This is because there is no short-circuited currents that results in efficiency losses. To demonstrate the performance, class-e power amplifiers is designed in cadence virtuoso environment and simulation is carried out in the spectre simulator. Also smithchart is plotted to get forward and reverse gain in the cadence environment.
Authors and Affiliations
T. Suganthi, R. Prabakaran
Keywords
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