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ElectroComponent Science and Technology
Volume 6, Issue 3-4, Pages 189-191

1 GHz Low-Noise Hybrid Preamplifier for Optical Detection

Centre National d'Etudes des Télécommunications, 196 rue de Paris, Bagneux 92220, France

Received 27 April 1979

Copyright © 1980 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A 1 GHz low- noise preamplifier, especially designed for photodetection purposes is described. The amplifier noise which sets a limit to the sensitivity of the photodiode-preamplifier combination is minimized using a hybrid technology which allows very low values of the parasitics. Results on a complete photodiode-equalized preamplifier are given.