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2.5 Gigabits-per-second transimpedance amplifier

Image Number 3 for United States Patent #6593810.

A transimpedance amplifier system includes a first gain stage to receive an input signal. A second gain stage is coupled to the first gain stage to provide a first output. A first passive feedback element is coupled in parallel with the second gain stage. A general feedback element is coupled in parallel with the first gain stage and the second gain stage. A replica biasing stage is included to provide a second output. A replica feedback element is coupled in parallel with the replica biasing stage.

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