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US 9,432,230 B1Granted
Passive equalizer capable of use in a receiver
AssigneeFreescale Semiconductor, Inc.
InventorKevin Yi Cheng Chang
Life of this patent
Estimating the term…
Abstract
A passive equalizer includes a first resistive element coupled between a first input node and a first output node, a first capacitive element, a first variable resistor, and a first inductive element coupled in series between the first input node and the first output node, a first transistor having a first current electrode coupled to the first output node, and a first current source coupled to the first current electrode of the first transistor.
Claims20
A passive equalizer comprising:
- a first input node;
- a first output node;
- a first resistive element coupled between the first input node and the first output node;
- a first capacitive element, a first variable resistor, and a first inductive element coupled in series between the first input node and the first output node;
- a first transistor having a first current electrode coupled to the first output node;
- and
- a first current source coupled to the first current electrode of the first transistor.
4 more elements
A passive equalizer comprising:
- a first input node and a second input node;
- a first output node and a second output node;
- a first resistive element coupled between the first input node and the first output node;
- a first capacitive element, a first variable resistor, and a first inductive element coupled in series between the first input node and the first output node;
- a second resistive element coupled between the second input node and the second output node;
- and
- a second capacitive element, a second variable resistor, and a second inductive element coupled in series between the second input node and the second output node;
- a cross-coupled transistor pair coupled to the first and second output nodes.
5 more elements
A receiver, comprising:
- an active equalizer;
- and
- a passive equalizer coupled to the first active equalizer, the passive equalizer comprising:
- a first input node and a second input node;
- a first output node and a second output node;
- a first resistive element coupled between the first input node and the first output node;
- a first capacitive element, a first variable resistor, and a first inductive element coupled in series between the first input node and the first output node;
- a second resistive element coupled between the second input node and the second output node;
- and
- a second capacitive element, a second variable resistor, and a second inductive element coupled in series between the second input node and the second output node;
- and
- a cross-coupled transistor pair coupled to the first and second output nodes.
9 more elements
Dependencies are inferred from the claim text.