Amplifiers – Signal feedback – In cascade amplifiers
Reexamination Certificate
2006-07-28
2009-06-23
Nguyen, Patricia (Department: 2817)
Amplifiers
Signal feedback
In cascade amplifiers
C330S099000, C330S100000, C330S255000
Reexamination Certificate
active
07551024
ABSTRACT:
A nested transimpedance amplifier (TIA) circuit includes a zero-order TIA having an input and an output, and a first operational amplifier (opamp). The opamp includes an input that communicates with said output of said zero-order TIA, a first transistor driven by said input, a second transistor that is driven by a first bias voltage and communicates with said first transistor, a first current source that communicates with said second transistor, and an output at a node between the first transistor and the second transistor.
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Nguyen Patricia
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