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A 23 ghz baseband HBT distributed amplifier for optical communication systems

Iqbal, A; Darwazeh, IZ; (1998) A 23 ghz baseband HBT distributed amplifier for optical communication systems. In: (pp. pp. 6-11).

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Abstract

This paper reports on a practical HBT distributed amplifier MMIC suitable for optical receiver applications. The circuit topology is based upon application of a novel technique which allows baseband operation in conjunction with dc bias stabiliastion and does not consume a large amount of chip area. 2×2 ¿m2 single emitter finger InGaP/GaAs HBTs with fT = 60 GHz and βdc ¿ 100 have been employed. Simulation results show a bandwidth extending from near- dc to 23 GHz and an S21 gain of 11±1 dB at midband. The amplifier has a transimpedance gain of 45±1 dB¿ and a group delay variation of ±30 ps across the passband. Eye diagram simulations indicate its potential for handling data rates of up to 30 Gbit/s when employed as an optical receiver preamplifier. © 1998 IEEE.

Type: Proceedings paper
Title: A 23 ghz baseband HBT distributed amplifier for optical communication systems
DOI: 10.1109/EUMA.1998.338083
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/1334646
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