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A single-stage three-terminal heterojunction bipolar transistor optoelectronic mixer

Betser, Y; Ritter, D; Liu, CP; Seeds, AJ; Madjar, A; (1998) A single-stage three-terminal heterojunction bipolar transistor optoelectronic mixer. J LIGHTWAVE TECHNOL , 16 (4) 605 - 609.

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Abstract

A high-conversion gain three-terminal heterojunction bipolar transistor (HBT) optoelectronic mixer has been demonstrated. The maximum obtained intrinsic conversion gain was 10.4 dB. The mixing performance was measured as a function of the de bias of the device and local oscillator power level. A SPICE-based large signal model was employed to simulate the device. The main nonlinear effects which contributed to the mixing process were the voltage dependence of the dynamic emitter resistance, and the variation of the current gain in the saturation regime.

Type: Article
Title: A single-stage three-terminal heterojunction bipolar transistor optoelectronic mixer
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/130560
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