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oaioai:zenodo.org:4638335

A two-stage power amplifier design for ultra-wideband applications

Authors
Publication date
1 February 2021
Publisher
'Institute of Advanced Engineering and Science'
Doi

    Abstract

    In this paper, a two-stage 0.18 μm CMOS power amplifier (PA) for ultrawideband (UWB) 3 to 5 GHz based on common source inductive degeneration with an auxiliary amplifier is proposed. In this proposal, an auxiliary amplifier is used to place the 2nd harmonic in the core amplified in order to make up for the gain progression phenomena at the main amplifier output node. Simulation results show a power gain of 16 dB with a gain flatness of 0.4 dB and an input 1 dB compression of about -5 dBm from 3 to 5 GHz using a 1.8 V power supply consuming 25 mW. Power added efficiency (PAE) of around 47% at 4 GHz with 50 Ω load impedance was also observed

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    NEUROSURGERY ENTHUSIASTIC WOMEN SOCIETY

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    oaioai:zenodo.org:4638335
    Last time updated on 02/12/2022

    This paper was published in NEUROSURGERY ENTHUSIASTIC WOMEN SOCIETY.

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