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Qingjiang Xia - IEEE Xplore Author Profile

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Author details

Qingjiang Xia

Publications

5

Citations

1

Publications by Year

20232025

Co-Authors:

Yufei AiZhongjian ChenMingzhong HeWengao LuYuze Niu

Show All Co-Authors (12)

Qingjiang Xia

Affiliation

School of Integrated Circuits

Peking University

Beijing, China

Beijing Advanced Innovation Center for Integrated Circuits, Beijing, China

Publication Topics

Analog-to-digital Converter,
Infinite Impulse Response,
Power Consumption,
Bottom Plate,
Capacitive Sensor,
Feedback Loop,
Input-referred Noise,
Low-pass,
Neural Circuits,
Neural Signals,
Noise Performance,
Action Recognition

Publications

5

Citations

1

Publications by Year

20232025

Co-Authors:

Yufei Ai
Zhongjian Chen
Mingzhong He
Wengao Lu
Yuze Niu

Show All Co-Authors (12)

Author's Published Works

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Showing 1-5 of 5 results

Conferences (3)

Early Access Articles (1)

Journals (1)

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Single Year
Wengao Lu(5)
Qingjiang Xia(5)
Zhongjian Chen(5)
Yacong Zhang(5)
You You(3)
School of Integrated Circuits, Peking University, Beijing, China(5)
School of Software and Microelectronics, Peking University, Beijing, China(2)
Beijing Advanced Innovation Center for Integrated Circuits, Beijing, China(2)
Lingfeng Vision Chip Beijing Technology Co., Ltd, Beijing, China(1)
2024 IEEE International Symposium on Circuits and Systems (ISCAS)(2)
IEEE Transactions on Circuits and Systems II: Express Briefs(2)
2023 8th International Conference on Integrated Circuits and Microsystems (ICICM)(1)
IEEE(5)
Singapore, Singapore(2)
Nanjing, China(1)
Analog-to-digital Converter(3)
Infinite Impulse Response(3)
Power Consumption(3)
Bottom Plate(2)
Capacitive Sensor(2)

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An Energy-Efficient Capacitance-to-Digital Converter With Top and Bottom Plate Sampling for Pressure Sensors

Qingjiang Xia;Fei Zhou;Yuze Niu;Mingzhong He;Wengao Lu;Yacong Zhang;Zhongjian Chen

IEEE Transactions on Circuits and Systems II: Express Briefs

Year: 2025 | Early Access Article |

This brief presents a 12-bit low-power successive-approximation-register (SAR) capacitance-to-digital converter (CDC) for capacitive pressure sensors. It adopts a capacitance-to-voltage front-end (CVFE) scheme to decouple the capacitive digital-to-analog converter (CDAC) from the sensor capacitor, enabling a large swing of the SAR analog-to-digital converter (ADC) and a wide capacitance sensing ra...Show More

An Energy-Efficient Capacitance-to-Digital Converter With Top and Bottom Plate Sampling for Pressure Sensors

Qingjiang Xia;Fei Zhou;Yuze Niu;Mingzhong He;Wengao Lu;Yacong Zhang;Zhongjian Chen

IEEE Transactions on Circuits and Systems II: Express Briefs

Year: 2025 | Early Access Article |

An Event-Driven High-Speed Imaging and Trace Detection ROIC for Cryogenic Infrared FPAs

Mingzhong He;Yufei Ai;Wengao Lu;Yi Zhuo;Qingjiang Xia;Runkun Zhu;Yacong Zhang;Zhongjian Chen

2024 IEEE International Symposium on Circuits and Systems (ISCAS)

Year: 2024 | Conference Paper |

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This paper presents an event-driven readout integrated circuit (ROIC) for imaging and target-tracking infrared focal plane arrays (IRFPAs). The pixel circuit consists of event detection (ED) and imaging and trace detection (ITD). Based on the dynamic vision sensor (DVS) structure, ED encodes the temporal changes of infrared radiation into synchronized 1.5-bit events and transmits them to the off-c...Show More

An Event-Driven High-Speed Imaging and Trace Detection ROIC for Cryogenic Infrared FPAs

Mingzhong He;Yufei Ai;Wengao Lu;Yi Zhuo;Qingjiang Xia;Runkun Zhu;Yacong Zhang;Zhongjian Chen

2024 IEEE International Symposium on Circuits and Systems (ISCAS)

Year: 2024 | Conference Paper |

A 27.5 fJ/step SAR Capacitance-to-Digital Converter Based on Correlated Double Sampling

Qingjiang Xia;You You;Yacong Zhang;Wengao Lu;Runkun Zhu;Zhongjian Chen

2024 IEEE International Symposium on Circuits and Systems (ISCAS)

Year: 2024 | Conference Paper |

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This paper presents a low-power and energy-efficient capacitance-to-digital converter (CDC) for a single-end sensor based on correlated double sampling (CDS) technology. The CDS is accomplished by two opposite conversions, which reuse the comparator, CSENS, and CDAC. The proposed CDC eliminates the parasitic-dependent error caused by the comparator’s offset without extra consumption through the CD...Show More

A 27.5 fJ/step SAR Capacitance-to-Digital Converter Based on Correlated Double Sampling

Qingjiang Xia;You You;Yacong Zhang;Wengao Lu;Runkun Zhu;Zhongjian Chen

2024 IEEE International Symposium on Circuits and Systems (ISCAS)

Year: 2024 | Conference Paper |

An Energy-Efficient Low-Noise Neural Recording Circuit With Multi-Sampling SAR ADC

You You;Ruizhi Tian;Qingjiang Xia;Fei Zhou;Mengqiao Zhang;Wengao Lu;Zhongjian Chen;Yacong Zhang

IEEE Transactions on Circuits and Systems II: Express Briefs

Year: 2024 | Volume: 71, Issue: 12 | Journal Article |

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This brief presents a low-power, high-precision neural recording circuit for closed-loop deep brain stimulation (DBS). It adopts a switched-capacitor (SC) low-pass filter (LPF) with the double sampling technique to efficiently attenuate high-frequency noise and signal with precise cut-off frequency. To improve power efficiency, this brief proposes a multi-sampling successive approximation register...Show More

An Energy-Efficient Low-Noise Neural Recording Circuit With Multi-Sampling SAR ADC

You You;Ruizhi Tian;Qingjiang Xia;Fei Zhou;Mengqiao Zhang;Wengao Lu;Zhongjian Chen;Yacong Zhang

IEEE Transactions on Circuits and Systems II: Express Briefs

Year: 2024 | Volume: 71, Issue: 12 | Journal Article |

A 4.0-μVrms 7.5-kHz-BW Neural Signal Recording Circuit for Closed-Loop Deep Brain Stimulation

Ruizhi Tian;Fei Zhou;Qingjiang Xia;You You;Wengao Lu;Yacong Zhang;Zhongjian Chen

2023 8th International Conference on Integrated Circuits and Microsystems (ICICM)

Year: 2023 | Conference Paper |

Cited by: Papers (1)

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This work presents a low-noise biosignal acquisition application-specific integrated circuit (ASIC) for neural signal recording in closed-loop deep brain stimulation (DBS). An ac-coupled low-noise amplifier (LNA) amplifies the signals of interest while removing the low-frequency electrode offset. An improved programmable-gain amplifier (PGA) employs a flip-over-capacitor structure to prevent the d...Show More

A 4.0-μVrms 7.5-kHz-BW Neural Signal Recording Circuit for Closed-Loop Deep Brain Stimulation

Ruizhi Tian;Fei Zhou;Qingjiang Xia;You You;Wengao Lu;Yacong Zhang;Zhongjian Chen

2023 8th International Conference on Integrated Circuits and Microsystems (ICICM)

Year: 2023 | Conference Paper |

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