Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/48365
Title: Comparison between three GaAs monolithic transimpedance amplifiers for optical communication systems
Authors: Casao, J. A.
Dorta, P. 
Caceres, J. L.
Salazar-Palma, M.
Perez, J.
Orengo, G.
Paoloni, C.
Giannini, F.
UNESCO Clasification: 3307 Tecnología electrónica
Keywords: Gallium arsenide
Semiconductor optical amplifiers
Optical fiber communication
Low-noise amplifiers
Differential amplifiers, et al
Issue Date: 1992
Journal: Conference Proceedings - European Microwave Conference
Abstract: Three different GaAs Monolithic Transimpedance Amplifier topologies for low noise and high speed optical communication systems are compared. The first one consists of a simple cascode stage enhanced in terms of bandwidth and noise. The second one is also based in a cascode stage followed by a differential amplifier in order to increase the transimpedance gain-bandwidth product. The third one was designed with that same scope in one hand and in the other to obtain a very low power consumption; it consists of a three stage inverter amplifier with reactive feedback loop. Measurements show that excellent results have been obtained for the first topology; for the second one a remarkable improvement of the bandwidth has been obtained; finally, for the third one, high gain and extremely low power consumption have been obtained. In all cases the equivalent noise current is low enough to achieve a sensitivity of the receiver between -28 and -33 dBm.
URI: http://hdl.handle.net/10553/48365
ISBN: 0946821828
Source: Conference Proceedings - European Microwave Conference,v. 1, p. 330-335
Appears in Collections:Actas de congresos
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