• Optoelectronic Technology
  • Vol. 43, Issue 4, 311 (2023)
Kai LIU1、2, Changbing QIN1、2, Baixue ZHANG1、2, Tingting XU1、2, and Qihong CHEN1、2
Author Affiliations
  • 1The 55th Research Institute of China Electronic Technology Group Corporation, Nanjing 2006, CHN
  • 2Nanjing Guozhao Photoelectric Technology Co., Ltd, Nanjing 11100, CHN
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    DOI: 10.19453/j.cnki.1005-488x.2023.04.006 Cite this Article
    Kai LIU, Changbing QIN, Baixue ZHANG, Tingting XU, Qihong CHEN. Design of MIPI D‑PHY High‑speed Channel with Offset Self‑calibration[J]. Optoelectronic Technology, 2023, 43(4): 311 Copy Citation Text show less
    The impact of offset voltage on data transmission
    Fig. 1. The impact of offset voltage on data transmission
    The overall structure of the high speed channel
    Fig. 2. The overall structure of the high speed channel
    Preamplifier circuit
    Fig. 3. Preamplifier circuit
    Judgment comparison circuit
    Fig. 4. Judgment comparison circuit
    Simulation results of high-speed comparator
    Fig. 5. Simulation results of high-speed comparator
    Calibration comparator circuit
    Fig. 6. Calibration comparator circuit
    Circuit of programmable current source
    Fig. 7. Circuit of programmable current source
    Diagram of calibration current feedback
    Fig. 8. Diagram of calibration current feedback
    Monte-Carlo simulation result of calibration current
    Fig. 9. Monte-Carlo simulation result of calibration current
    Flowchart of offset calibration algorithm
    Fig. 10. Flowchart of offset calibration algorithm
    Simulation results of offset calibration
    Fig. 11. Simulation results of offset calibration
    Layout of high‑speed channel
    Fig. 12. Layout of high‑speed channel
    Results of offset voltage distribution before and after offset calibration
    Fig. 13. Results of offset voltage distribution before and after offset calibration
    Output eye diagram of high‑speed channel
    Fig. 14. Output eye diagram of high‑speed channel
    文章文献[8]文献[9]
    CMOS工艺/nm1109080
    传输速率/Gbps1.511.5
    电源电压/V1.21.21.2
    功耗/mW1.9223.5
    Table 1. Comparison of high‑speed channel performance indicators
    Kai LIU, Changbing QIN, Baixue ZHANG, Tingting XU, Qihong CHEN. Design of MIPI D‑PHY High‑speed Channel with Offset Self‑calibration[J]. Optoelectronic Technology, 2023, 43(4): 311
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