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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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