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US 9,749,162 B1Granted
Receiver bandwidth adaptation
AssigneeAvago Technologies General IP (Singapore) Pte. Ltd.
InventorsMohammad Mobin, Haitao Xia
Life of this patent
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Abstract
An apparatus for processing data includes a linear equalizer, a load switchably connected to an output of the linear equalizer, a slicer configured to sample a signal derived from the output of the linear equalizer, and a detector circuit configured to detect an over-equalization condition in data to be sampled by the slicer and to connect the load to the output of the linear equalizer in the over-equalization condition.
Claims20
An apparatus for processing data, comprising:
- a linear equalizer;
- a load switchably connected to an output of the linear equalizer;
- a slicer that samples a signal derived from the output of the linear equalizer;
- and
- a detector circuit that detects an over-equalization condition in data to be sampled by the slicer and to connect the load to the output of the linear equalizer in the over-equalization condition.
2 more elements
A method for deserializing data, comprising:
- equalizing an analog signal in a continuous time linear equalizer in a deserializer receiver;
- determining whether the analog signal is over-equalized;
- reducing a bandwidth of the deserializer receiver when the analog signal is over-equalized by connecting a load to an output of the continuous time linear equalizer;
- converting the analog signal to digital data;
- and
- deserializing the digital data.
3 more elements
A deserializer receiver comprising:
- linear equalizer means for filtering the amplified signal to yield an equalized signal;
- means for detecting an inner eye level and an outer eye level in the equalized signal;
- means for detecting when the equalized signal is over-equalized;
- and
- means for reducing a bandwidth of the deserializer receiver when the equalized signal is over-equalized by, wherein the detecting when the equalized signal is over-equalized comprises setting a latch level at the inner eye level and at the outer eye level and sampling the equalized signal at the latch levels.
2 more elements
Dependencies are inferred from the claim text.