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This paper reports the theory, design and measurement results of a 1-tap feed-forward equalizer based on cascode amplifier cells designed with InP heterojunction bipolar transistors. This analog equalizer exhibits a measured peaking frequency of 108 GHz, as well as a maximal peaking amplitude of more than 38 dB. To the authors' knowledge, this is the highest peaking frequency reported to date.
This paper reports the design and measurement results of a 1-tap feed-forward based analog equalizer, mainly designed with differential pair amplifier cells composed of Indium Phosphide (InP) heterojunction bipolar transistors. This analog equalizer exhibits a maximal peaking frequency and amplitude of 50 GHz and 12 dB respectively. Large signal measurements demonstrated an equalization at 100 Gb/s...
We report a continuous-time analog equalizer based on a differential cascode amplifier cell. Realized with indium phosphide double heterojunction bipolar transistors reaching a fT/fmax couple of 370/340 GHz, this circuit exhibits a maximal peaking of 10.5 dB at 85 GHz. The tunability is made thanks to a varactor, which can tune the peaking frequency from 30 to 85 GHz. This analog equalizer also provide...
We report a continuous-time analog equalizer based on a differential cascode amplifier cell. Realized with indium phosphide double heterojunction bipolar transistors reaching a fT/fmax couple of 370/340 GHz, this circuit exhibits a maximal peaking of 10.5 dB at 85 GHz. The tunability is made thanks to a varactor, which can tune the peaking frequency from 30 to 85 GHz. This analog equalizer also provide...
This paper reports the design, simulations and measurements of a differential cascode amplifier cell in InP DHBT. From transistor with fT/fmax reaching 370/340 GHz, this circuit is able to provide a bandwidth of more than 110 GHz, with a maximal differential gain of 9 dB at 90 GHz, and a total peaking of 11dB. This circuit constitutes a promising building block for analog equalizer structures dedicated...
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