Differential amplifier circuit
AssigneeASMedia Technology Inc.
InventorChieh-Jui Ho
Life of this patent
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Abstract
A differential amplifier circuit is provided. The differential amplifier circuit includes a differential amplifier, a first active inductor, a second active inductor, and a parameter circuit. The differential amplifier includes a first differential output terminal and a second differential output terminal. The first active inductor is coupled to the first differential output terminal. The second active inductor is coupled to the second differential output terminal. The parameter circuit is coupled between the first active inductor and the second active inductor. The parameter circuit provides at least one parameter. A low frequency gain, an equivalent impedance, and a bandwidth of the differential amplifier circuit are adjusted in response to the at least one parameter.
Claims10
A differential amplifier circuit, comprising:
- a differential amplifier, comprising a first differential output terminal and a second differential output terminal;
- a first active inductor, coupled to the first differential output terminal;
- a second active inductor, coupled to the second differential output terminal;
- and
- a parameter circuit, coupled between the first active inductor and the second active inductor and configured to provide at least one parameter, wherein a low frequency gain, an equivalent impedance, and a bandwidth of the differential amplifier circuit are adjusted in response to the at least one parameter.
Dependencies are inferred from the claim text.