Amplifiers – With semiconductor amplifying device – Including differential amplifier
Reexamination Certificate
2008-05-13
2008-05-13
Nguyen, Khanh Van (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including differential amplifier
C330S069000
Reexamination Certificate
active
11072378
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
Finisar Coporation
Nguyen Khanh Van
Workman Nydegger
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