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Graphene Audio Voltage Amplifier
Author(s) -
Guerriero Erica,
Polloni Laura,
Rizzi Laura Giorgia,
Bianchi Massimiliano,
Mondello Giovanni,
Sordan Roman
Publication year - 2012
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201102141
Subject(s) - amplifier , total harmonic distortion , graphene , audio frequency , bandwidth (computing) , voltage , materials science , electrical engineering , distortion (music) , optoelectronics , computer science , electronic engineering , telecommunications , nanotechnology , engineering
A graphene audio voltage amplifier is fabricated by overlapping the gate with source/drain contacts. The fabricated complementary amplifier has a voltage gain of 3.7 (11.4 dB) at 10 kHz, a total harmonic distortion in the audio frequency range of <1%, a unity‐gain frequency of 360 kHz, and a −3 dB bandwidth of 70 kHz.

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