Transimpedance amplifier for a 2.5 Gbit/s direct transmission optical system using GaAs MESFETS

Crespo, C. ; Perez, F. ; Dorta, P. ; Alonso, Jose I. (1994) Transimpedance amplifier for a 2.5 Gbit/s direct transmission optical system using GaAs MESFETS. In: Gallium Arsenide Applications Symposium. GAAS 1994, 28-30 April 1994, Turin, Italy.
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Abstract

This paper shows a new closed form expressions intended to analyze the cascode structure with resistive feedback used as Transimpedance Amplifier, derived from the equivalent circuit parameters of the FETS. The predicted transimpedance magnitude, -3 dB bandwidth and ripple are in good agreement with simulations. We used this technique to implement a DC to 2.5 GHz amplifier on GaAs MMIC. with 67 dB? of transimpedance and a good noise performance. Using a commercially available photodiode and the described amplifier it has been constructed an optical receiver with a flat responsivity of 32 dB-A/W and 6 pA/V(Hz) of equivalent input noise current averaged in band.

Abstract
Tipologia del documento
Documento relativo ad un convegno o altro evento (Atto)
Autori
AutoreAffiliazioneORCID
Crespo, C.
Perez, F.
Dorta, P.
Alonso, Jose I.
Settori scientifico-disciplinari
DOI
Data di deposito
17 Feb 2006
Ultima modifica
17 Feb 2016 14:44
URI

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