Amplification circuit for driving a laser signal

Amplifiers – With semiconductor amplifying device – Including differential amplifier

Reexamination Certificate

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C330S069000

Reexamination Certificate

active

07372328

ABSTRACT:
A method of filtering a differential signal. The method includes receiving the differential signal. Transitions of the differential signal are accelerated after the differential signal has passed through a cross-over point to create an accelerated differential signal. A delayed differential signal is created that is a delayed version of the accelerated differential signal delayed by a predetermined amount of time with respect to the accelerated differential signal. The accelerated differential signal is amplified to create an amplified accelerated differential signal. The delayed differential signal is amplified to create an amplified delayed differential signal. The amplified delayed differential signal and the amplified accelerated differential signal are combined to create an output signal.

REFERENCES:
patent: 6480067 (2002-11-01), Kobayashi et al.
patent: 6958650 (2005-10-01), Teo

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