What is it about?
This letter investigates an opportunity to adapt the data rate of an amplifier to current demands by saving as much power as possible. A method is explained to compensate the gain drop related to the reduced power consumption. The circuit is is designed for use as input amplifier in an optical communication interface.
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Why is it important?
When is your conscience getting bad? During a flight or during surfing in the Internet? Today the carbon footprint of the worldwide Internet is as high as that of the worldwide aircraft. Steadily increasing data traffic requires increasing data rate to be able to handle the maximum traffic. The average utilazation of the interfaces are between 10 and 50%. Hence adapting the data rate to the current demand by saving as much power as possible offers a very benficial power saving potential and helps to proect our planet.
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This page is a summary of: High-speed transimpedance amplifier with runtime adaptive bandwidth and power consumption in 0.13 μm SiGe BiCMOS, Electronics Letters, January 2016, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/el.2015.3123.
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