发明授权
- 专利标题: Methods and systems for background calibration of multi-phase parallel receivers
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申请号: US15992105申请日: 2018-05-29
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公开(公告)号: US10326620B2公开(公告)日: 2019-06-18
- 发明人: Armin Tajalli , Richard Simpson
- 申请人: Kandou Labs, S.A.
- 申请人地址: CH Lausanne
- 专利权人: KANDOU LABS, S.A.
- 当前专利权人: KANDOU LABS, S.A.
- 当前专利权人地址: CH Lausanne
- 代理机构: Invention Mine LLC
- 主分类号: H04L25/02
- IPC分类号: H04L25/02 ; H04L25/14 ; H04L25/40 ; H04L5/00 ; H04J13/00 ; H03K17/687 ; H04B17/364 ; H03M13/31 ; H03L7/06
摘要:
Methods and systems are described for receiving a plurality of signals in a signaling interval at a multi-input comparator (MIC), and responsively generating an analog linear combination of the received signals, amplifying the analog linear combination of the received signals using an integration stage, receiving the amplified differential voltage at two multi-phase receivers, each multi-phase receiver comprising one or more processing slices, each multi-phase receiver operating in a multi-phase processing path for processing the amplified differential voltage, wherein processing the amplified differential voltage includes generating output data decisions and phase-error information using a first multi-phase receiver of the two multi-phase receivers and selectively adjusting local speculative decision feedback equalization (DFE) slicing offsets of a second multi-phase receiver of the two multi-phase receivers according to the output data decisions generated by the first multi-phase receiver.
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