US 2011/0299584 A1Published application

Equalization system

AssigneeIPGoal Microelectronics (SiChuan) Co., Ltd.

InventorsZhaolei Wu, Guosheng Wu

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Abstract

An equalization system includes an adjustable equalization unit, a common-mode feedback unit connected with the equalization unit, a current balance driving unit connected with the feedback and equalization units, a first high-pass filter unit connected with the equalization unit, a second high-pass filter unit connected with the driving unit, a first low-pass filter unit connected with the equalization unit, a second low-pass filter unit connected with the driving unit, a first energy detection unit connected with two high-pass filter units, a second energy detection unit connected with two low-pass filter units, a first analog-to-digital converter unit connected with the first energy detection unit, a second analog-to-digital converter unit connected with the second energy detection unit and a state decision unit connected with two analog-to-digital converter units outputs a control signal for adjusting the equalization unit. It improves the signal quality of the receiver of the high-speed signal transmission system.

Claims20

Dependent claims

An equalization system, comprising:

an adjustable equalization unit, a common-mode feedback unit connected with said adjustable equalization unit, a current balance driving unit connected with said common-mode feedback unit and said adjustable equalization unit, a first high-pass filter unit connected with said adjustable equalization unit, a second high-pass filter unit connected with said current balance driving unit, a first low-pass filter unit connected with said adjustable equalization unit, a second low-pass filter unit connected with said current balance driving unit, a first energy detection unit connected with said first and second high-pass filter units, a second energy detection unit connected with said first and second low-pass filter units, a first analog-to-digital converter unit connected with said first energy detection unit, a second analog-to-digital converter unit connected with said second energy detection unit and a state decision unit connected with said first and second analog-to-digital converter units, wherein said state decision unit outputs a control signal for adjusting said adjustable equalization unit.

Dependencies are inferred from the claim text.