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A novel bias stabilised HBT based distributed amplifier for 30 Gbit/s optical receiver applications

Iqbal, A; Darwazeh, IZ; (1998) A novel bias stabilised HBT based distributed amplifier for 30 Gbit/s optical receiver applications. In: Faulkner, DW and Harmer, AL, (eds.) TECHNOLOGY AND INFRASTRUCTURE - NOC '98. (pp. 152 - 159). I O S PRESS

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Abstract

In this paper we present details of a novel technique which facilitates the design of bias stable Heterojunction Bipolar Transistor (HBT) based amplifiers. The technique renders such amplifiers bias stable with respect to moderate ambient temperature variations whilst allowing gain at low frequencies to be maintained, without consuming large amounts of chip area. Application of the technique has resulted in a practical HBT based Distributed Amplifier (DA) suitable for Monolithic Microwave Integrated Circuit (MMIC) implementation. Simulation results show a bandwidth extending from near-de to 23 GHz with S-21 being 11+/-1 dB at midband. The amplifier has a transimpedance gain of 45+/-1 dB Omega and a group delay variation of +/-30 ps across the passband. Eye diagram simulations show that it is capable of handling data rates of up to 30 Gbit/s when employed as an optical receiver.

Type: Proceedings paper
Title: A novel bias stabilised HBT based distributed amplifier for 30 Gbit/s optical receiver applications
Event: European Conference on Networks and Optical Communications (NOC 98)
Location: MANCHESTER, ENGLAND
Dates: 1998-06-23 - 1998-06-25
ISBN: 90-5199-402-8
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/70548
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