Amplifiers – Signal feedback – In cascade amplifiers
Reexamination Certificate
2006-10-03
2006-10-03
Choe, Henry (Department: 2817)
Amplifiers
Signal feedback
In cascade amplifiers
C330S069000
Reexamination Certificate
active
07116164
ABSTRACT:
An amplifier circuit includes a first operational transconductance amplifier (OTA) having an input and an output. A second OTA has an input that communicates with the output of the first OTA and an output. A first feedback path communicates with the input and the output of the first OTA and includes a first resistance. A second feedback path communicates with the input and the output of the second OTA and includes a second resistance. A third feedback path communicates with the input of the first OTA and the output of the second OTA. The first and second resistances are variable resistances that have resistance values that decrease as frequency increases.
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Choe Henry
Marvell International Ltd.
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