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Integrated high frequency low-noise current-mode optical transimpedance preamplifiers: theory and practice

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2 Author(s)
T. Vanisri ; Dept. of Electron. & Electr. Eng., Imperial Coll. of Sci., Technol. & Med., London, UK ; C. Toumazou

Classical designs of optical transimpedance amplifiers for p-i-n photodiode receiver circuits generally employ common-emitter or common-source input stages. In this paper we explore the design of a new class of low noise “current-mode” optical transimpedance preamplifier based upon common-base input stages. Simulated and measured results of a 10 GHz GaAs HBT and 3.5 GHz BiCMOS common-base input optical transimpedance amplifier are presented

Published in:

IEEE Journal of Solid-State Circuits  (Volume:30 ,  Issue: 6 )