Comparison between three GaAs monolithic transimpedance amplifiers for optical communication systems

Casao, J. A. and Dorta, P. and Caceres, J. L. and Salazar-Palma, M. and Perez, J. and Orengo, G. and Paoloni, C. and Giannini, F. (1992) Comparison between three GaAs monolithic transimpedance amplifiers for optical communication systems. In: 1992 22nd European Microwave Conference. IEEE, Espoo, Finl, pp. 330-335.

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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.

Item Type:
Contribution in Book/Report/Proceedings
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200
Subjects:
ID Code:
145350
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Deposited On:
06 Jul 2020 15:50
Refereed?:
Yes
Published?:
Published
Last Modified:
27 Oct 2020 10:51