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Erica Guerriero, Laura Polloni, Laura Giorgia Rizzi, Massimiliano Bianchi, Giovanni Mondello and Roman Sordan Graphene Audio Voltage Amplifier Small 8

Version of Record online: 9 DEC 2011 | DOI: 10.1002/smll.201102141

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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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