Design of 10Gb/s VCSEL Driver IC in 0.18μm CMOS

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A design of 10Gb/s VCSEL driver IC in 0.18μm CMOS process is presented. Employing directly coupled three stages of differential amplifiers, active degenerative feedback and C3A structure, the monolithically integrated circuit can amplify the amplitude of input differential signal to 22mA and offer a bandwidth of 9.4GHz at 10Gb/s with a total power consumption of about 91mW. The driver circuit can offer adjustable modulation current from 1 to 16mA and adjustable bias current from 1 to 10mA. The VCSEL driver can be used in the STM-64 optical fiber communication system.

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Advanced Materials Research (Volumes 760-762)

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577-581

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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