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US 6,784,749 B1Granted
Limiting amplifier with active inductor
AssigneeIntel Corporation
InventorStephen E. Cove
Life of this patent
Estimating the term…
Abstract
According to some embodiments, a circuit includes a limiting amplifier, the limiting amplifier including an output node. The circuit also includes an active inductor coupled to the output node, and may exhibit a zero approximately at a frequency at which the active inductor begins to exhibit substantially inductive characteristics.
Claims10
A circuit comprising:
- a transconductance stage to receive an input voltage and to generate an amplified output current;
- and
- a transimpedance stage comprising:
- a first limiting amplifier comprising a first gain stage and a first active inductor coupled to the first gain stage, the first limiting amplifier to receive the amplified output current and to output a first output signal;
- and
- a second limiting amplifier comprising a second gain stage and a second active inductor coupled to the second gain stage, the second limiting amplifier to receive the first output signal and to output an amplified voltage signal.
3 more elements
A module comprising:
- an optical interface to receive an optical signal, to convert the optical signal to an input voltage, and to transmit the input voltage;
- a transconductance stage to receive the input voltage and to generate an amplified output current;
- and
- a transimpedance stage comprising:
- a first limiting amplifier comprising a first gain stage and a first active inductor coupled to the first gain stage, the first limiting amplifier to receive the amplified output current and to output a first output signal;
- and
- a second limiting amplifier comprising a second gain stage and a second active inductor coupled to the second gain stage, the second limiting amplifier to receive the first output signal and to output an amplified voltage signal.
4 more elements
Dependencies are inferred from the claim text.