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Tianyu Wang - IEEE Xplore Author Profile

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Author details

Tianyu Wang

Publications

13

Citations

151

Publications by Year

20172025

Co-Authors:

Tianhao DongGe GuoZhongyang HanMutian HuHenry Leung

Show All Co-Authors (21)

Tianyu Wang

Affiliation

School of Control Science and Engineering

Dalian University of Technology

Dalian, China

Publication Topics

Mean Absolute Error,
Mean Absolute Percentage Error,
Prediction Accuracy,
Attention Mechanism,
By-product Gas,
Energy System,
Forget Gate,
Gas System,
Input Gate,
Long Short-term Memory,
Multiple Conditions,
Neural Network

Biography

Tianyu Wang (Member, IEEE) received the B.E. and Ph.D. degrees in automation from the Dalian University of Technology, Dalian, China, in 2013 and 2020, respectively.,He was a Visiting Student with the University of Calgary, Calgary, AB, Canada, from 2018 to 2019. He is currently a Post-Doctoral Fellow in control science and engineering. His current research interests include industrial system modeling and optimization, production scheduling, and machine learning.(Based on document published on 14 February 2023).

Publications

13

Citations

151

Publications by Year

20172025

Co-Authors:

Tianhao Dong
Ge Guo
Zhongyang Han
Mutian Hu
Henry Leung

Show All Co-Authors (21)

Author's Published Works

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Showing 1-25 of 149 results

Conferences (85)

Journals (63)

Magazines (1)

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School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China(47)
School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China(24)
University of Electronic Science and Technology of China, Chengdu, China(13)
School of Electronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China(9)
College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China(8)
IEEE Transactions on Microwave Theory and Techniques(17)
2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)(12)
2019 IEEE Asia-Pacific Microwave Conference (APMC)(10)
IEEE Microwave and Wireless Components Letters(9)
IEEE Access(7)
IEEE(149)
Guangzhou, China(19)
Singapore(10)
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Noise Figure(29)
Circuit Design(28)
Parasitic Capacitance(27)
CMOS Process(25)
Equivalent Circuit(24)

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A 26/28/39-GHz Reconfigurable Phased-Array Receiver Front-End With Built-In Calibration Technique for 5G New Radio

Yiming Yu;Runyu Liu;Yanpeng Wu;Mengqian Geng;Ruiqi Wang;Zengchuang Chen;Ruilin Liao;Xin Xie;Xiaobo Duan;Zhiyong Gui;Gang Liu;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Kai Kang

IEEE Journal of Solid-State Circuits

Year: 2025 | Volume: 60, Issue: 2 | Journal Article |

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This article presents a reconfigurable phased-array receiver (RX) front-end supporting multiple fifth-generation (5G) new radio (NR) frequency range 2 bands at 26/28/39 GHz. A reconfigurable frequency downconverter (RFDC) with two operating modes is proposed to cover both K- and Ka-bands. Distinct from conventional wideband or multi-band structures, the proposed one does not need wide/multiple loc...Show More

A 26/28/39-GHz Reconfigurable Phased-Array Receiver Front-End With Built-In Calibration Technique for 5G New Radio

Yiming Yu;Runyu Liu;Yanpeng Wu;Mengqian Geng;Ruiqi Wang;Zengchuang Chen;Ruilin Liao;Xin Xie;Xiaobo Duan;Zhiyong Gui;Gang Liu;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Kai Kang

IEEE Journal of Solid-State Circuits

Year: 2025 | Volume: 60, Issue: 2 | Journal Article |

A 28-/60-GHz Dual-Band Receiver Front-End With Sideband-Selection Technique in 65-nm CMOS

Yiming Yu;Zijian Ouyang;Xingnuo Huo;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Kai Kang

IEEE Transactions on Circuits and Systems I: Regular Papers

Year: 2024 | Volume: 71, Issue: 10 | Journal Article |

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This article presents a dual-band receiver front-end based on a reconfigurable Hartley architecture with double frequency conversion for millimeter-wave wireless communication. By controlling working states of band-select switches, the receiver is able to reach different RF bands without increasing or altering local-oscillator (LO) and intermediate-frequency bands. To reduce power consumption and ...Show More

A 28-/60-GHz Dual-Band Receiver Front-End With Sideband-Selection Technique in 65-nm CMOS

Yiming Yu;Zijian Ouyang;Xingnuo Huo;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Kai Kang

IEEE Transactions on Circuits and Systems I: Regular Papers

Year: 2024 | Volume: 71, Issue: 10 | Journal Article |

A 22-to-37.8-GHz Low-Gain-Phase-Error Variable-Gain Amplifier With Impedance-Compensation Technique in 65-nm CMOS Process

Yiming Yu;Mengqian Geng;Sirui Peng;Junfeng Li;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Kai Kang

IEEE Microwave and Wireless Technology Letters

Year: 2024 | Volume: 34, Issue: 6 | Journal Article |

Cited by: Papers (3)

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This letter presents a wideband variable-gain amplifier (VGA) with an impedance-compensation technique for 5G new radio. To minimize the gain and phase errors of a millimeter-wave VGA in a wide frequency band, a parasitic-capacitance-compensation method based on varactors is proposed to alleviate the input impedance variation of a cross-coupled structure. To extend gain bandwidth and save chip are...Show More

A 22-to-37.8-GHz Low-Gain-Phase-Error Variable-Gain Amplifier With Impedance-Compensation Technique in 65-nm CMOS Process

Yiming Yu;Mengqian Geng;Sirui Peng;Junfeng Li;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Kai Kang

IEEE Microwave and Wireless Technology Letters

Year: 2024 | Volume: 34, Issue: 6 | Journal Article |

A 60–90 GHz Mixer-First Receiver With Adaptive Temperature-Compensation Technique

Yiming Yu;Runyu Liu;Yujie Zuo;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Wen-Yan Yin;Kai Kang

IEEE Microwave and Wireless Technology Letters

Year: 2024 | Volume: 34, Issue: 4 | Journal Article |

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This letter demonstrates a high-linearity mixer-first receiver (RX) covering a frequency range of 60–90 GHz for radar applications. Its core mixer is realized by a passive double-balanced ring structure to achieve both high linearity and low local-oscillator (LO) leakage. To improve robustness of millimeter-wave (mm-wave) radar systems to temperature variation, two temperature-compensation bias ci...Show More

A 60–90 GHz Mixer-First Receiver With Adaptive Temperature-Compensation Technique

Yiming Yu;Runyu Liu;Yujie Zuo;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Wen-Yan Yin;Kai Kang

IEEE Microwave and Wireless Technology Letters

Year: 2024 | Volume: 34, Issue: 4 | Journal Article |

De-Embedding Technology for Active and Passive Device Testing Used in the Microwave and Terahertz Bands: A Review: An Overview of Different De-Embedding Techniques

Shihan Xiang;Xu Chi;Huihua Liu;Chenxi Zhao;Yiming Yu;Kai Kang;Yunqiu Wu

IEEE Microwave Magazine

Year: 2024 | Volume: 25, Issue: 3 | Magazine Article |

Cited by: Papers (2)

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With the recent rapid improvement of wireless communication rates [1], [2], the cutoff frequency of semiconductor devices has gradually increased [3], [4], and products with large signal bandwidth circuits have become a hot topic [5], [6], [7]. Port-to-port signal transmission and coupling mechanisms are also becoming more complex with the increases in frequency, presenting a challenge for high-fr...Show More

De-Embedding Technology for Active and Passive Device Testing Used in the Microwave and Terahertz Bands: A Review: An Overview of Different De-Embedding Techniques

Shihan Xiang;Xu Chi;Huihua Liu;Chenxi Zhao;Yiming Yu;Kai Kang;Yunqiu Wu

IEEE Microwave Magazine

Year: 2024 | Volume: 25, Issue: 3 | Magazine Article |

A Ka-Band Pseudo-Doherty Load-Modulated Balanced Amplifier With Gain Flatness Enhancement Technique

Chenxi Zhao;Xinmeng Zhang;Xin Xie;Huihua Liu;Yiming Yu;Yunqiu Wu;Kai Kang

IEEE Transactions on Microwave Theory and Techniques

Year: 2024 | Volume: 72, Issue: 6 | Journal Article |

Cited by: Papers (2)

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A millimeter-wave (mm-wave) fully integrated pseudo-Doherty load-modulated balanced amplifier (PD-LMBA) with a gain flatness enhancement technique is demonstrated in this article. Unlike the conventional LMBA topology based on using two balanced amplifiers (BAs) in the class-AB/B condition and a control amplifier (CA) in the class-C condition, the CA is used as the main amplifier in the class-B co...Show More

A Ka-Band Pseudo-Doherty Load-Modulated Balanced Amplifier With Gain Flatness Enhancement Technique

Chenxi Zhao;Xinmeng Zhang;Xin Xie;Huihua Liu;Yiming Yu;Yunqiu Wu;Kai Kang

IEEE Transactions on Microwave Theory and Techniques

Year: 2024 | Volume: 72, Issue: 6 | Journal Article |

A Ka-Band SiGe High-Gain Power Amplifier With Stability–Efficiency–Reliability-Enhanced Serial–Parallel Current-Reuse Technique

Qingfeng Zhang;Chenxi Zhao;Wenhao Li;Yiming Yu;Yunqiu Wu;Huihua Liu;Wenquan Che;Quan Xue;Kai Kang

IEEE Transactions on Microwave Theory and Techniques

Year: 2024 | Volume: 72, Issue: 3 | Journal Article |

Cited by: Papers (1)

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This article presents a 22–31-GHz high-gain power amplifier (PA) with a stability–efficiency–reliability-enhanced serial–parallel current-reuse technique for 5G communications. The existing current-reuse techniques basically rely on the stacked coupling approach, which will have a risk of generating negative output impedance, resulting in potential instability and oscillation of the amplifier. Sec...Show More

A Ka-Band SiGe High-Gain Power Amplifier With Stability–Efficiency–Reliability-Enhanced Serial–Parallel Current-Reuse Technique

Qingfeng Zhang;Chenxi Zhao;Wenhao Li;Yiming Yu;Yunqiu Wu;Huihua Liu;Wenquan Che;Quan Xue;Kai Kang

IEEE Transactions on Microwave Theory and Techniques

Year: 2024 | Volume: 72, Issue: 3 | Journal Article |

A 20–43-GHz Low Phase Variation VGA With Feedforward Signal Suppression and Impedance-Invariant Techniques in 65-nm CMOS

Qingfeng Zhang;Tianjun Wu;Chenxi Zhao;Yunqiu Wu;Yiming Yu;Huihua Liu;Kai Kang

IEEE Transactions on Microwave Theory and Techniques

Year: 2024 | Volume: 72, Issue: 3 | Journal Article |

Cited by: Papers (1)

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A variable gain amplifier (VGA) featuring wide bandwidth and low phase variation is presented for the new generation phased arrays supporting multiple-frequency bands simultaneously. In this article, the mechanism of phase variation in common-source (CS) CMOS amplifier cell is investigated in detail. As revealed by this analysis, the parasitic capacitor ${C} _{\text {gd}}$ and the magnetic coupl...Show More

A 20–43-GHz Low Phase Variation VGA With Feedforward Signal Suppression and Impedance-Invariant Techniques in 65-nm CMOS

Qingfeng Zhang;Tianjun Wu;Chenxi Zhao;Yunqiu Wu;Yiming Yu;Huihua Liu;Kai Kang

IEEE Transactions on Microwave Theory and Techniques

Year: 2024 | Volume: 72, Issue: 3 | Journal Article |

A W-Band Small-Signal Equivalent Circuit Modeling Based On 28nm CMOS Process

Gaotianyin Zhu;Yunqiu Wu;Yiming Yu;Chenxi Zhao;Huihua Liu;Kai Kang

2023 Asia-Pacific Microwave Conference (APMC)

Year: 2023 | Conference Paper |

Cited by: Papers (1)

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In this paper, an equivalent circuit model is proposed to describe the small-signal behavior of transistors operating in W band. This model carefully addresses non-quasi-static effect to improve accuracy in high frequency range. A RC network representing the substrate coupling effect is also included to better predict the RF behavior. For the validation of this model, a 16-finger n-type MOSFET is ...Show More

A W-Band Small-Signal Equivalent Circuit Modeling Based On 28nm CMOS Process

Gaotianyin Zhu;Yunqiu Wu;Yiming Yu;Chenxi Zhao;Huihua Liu;Kai Kang

2023 Asia-Pacific Microwave Conference (APMC)

Year: 2023 | Conference Paper |

An Electromechanical Compact Model for Radio Frequency Flexible Graphene Field-Effect Transistor

Wenhao Zheng;Yan Wang;Yunqiu Wu;Yuehang Xu

2023 IEEE 23rd International Conference on Nanotechnology (NANO)

Year: 2023 | Conference Paper |

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Modeling of radio frequency (RF) flexible electronic device is still a challenge due to lack of accurate model. In this paper, a compact model for RF flexible graphene field effect transistor (FGFET) is presented. The model is established by introducing first-principle calculation and tight-binding approach to calculate quantum capacitance and channel charge. After that, the model is established b...Show More

An Electromechanical Compact Model for Radio Frequency Flexible Graphene Field-Effect Transistor

Wenhao Zheng;Yan Wang;Yunqiu Wu;Yuehang Xu

2023 IEEE 23rd International Conference on Nanotechnology (NANO)

Year: 2023 | Conference Paper |

Mechanism Analysis and Design of a Switched T-Type Attenuator With Capacitive Phase Compensation Technique

Qingfeng Zhang;Chenxi Zhao;Shuangmin Zhang;Yunqiu Wu;Yiming Yu;Huihua Liu;Kai Kang

IEEE Microwave and Wireless Technology Letters

Year: 2023 | Volume: 33, Issue: 10 | Journal Article |

Cited by: Papers (3)

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This letter investigates the mechanism of the phase characteristics versus frequency of the conventional and modified switched T-type attenuator cells in detail. According to the analysis, the optimal phase compensation interval for different topologies is revealed for the first time, which has important guiding significance for the design of ultralow phase error digital step attenuator (DSA) oper...Show More

Mechanism Analysis and Design of a Switched T-Type Attenuator With Capacitive Phase Compensation Technique

Qingfeng Zhang;Chenxi Zhao;Shuangmin Zhang;Yunqiu Wu;Yiming Yu;Huihua Liu;Kai Kang

IEEE Microwave and Wireless Technology Letters

Year: 2023 | Volume: 33, Issue: 10 | Journal Article |

A 6-Bit E-band Vector-Sum Phase Shifter With Transformer-Based Hybrid in 65nm CMOS

Bohan Sun;Meng Li;Yiming Yu;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Kai Kang

2023 IEEE MTT-S International Wireless Symposium (IWS)

Year: 2023 | Conference Paper |

Cited by: Papers (2)

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In this paper, a 6-Bit E-band vector-sum phase shifter based on a 65 nm CMOS process is proposed. A transformer- based fully differential hybrid is designed to generate high-precision orthogonal signals, which presents a compact layout and effectively widens the operating bandwidth. Besides, a low phase invariance technique is applied to variable gain amplifiers (VGAs). The measurement results exh...Show More

A 6-Bit E-band Vector-Sum Phase Shifter With Transformer-Based Hybrid in 65nm CMOS

Bohan Sun;Meng Li;Yiming Yu;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Kai Kang

2023 IEEE MTT-S International Wireless Symposium (IWS)

Year: 2023 | Conference Paper |

An 18~30 GHz Vector-Sum Phase Shifter With Two-Stage Transformer-Based Hybrid in 130-nm SiGe BiCMOS

Yiming Yu;Yanpeng Wu;Pan Tang;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Wen-Yan Yin;Kai Kang

IEEE Transactions on Circuits and Systems I: Regular Papers

Year: 2023 | Volume: 70, Issue: 12 | Journal Article |

Cited by: Papers (6)

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This article presents an 18~30 GHz vector-sum phase shifter for wireless application in the millimeter-wave regime. It is composed of an I/Q signal generator, two variable-gain amplifiers (VGA), and a digital-to-analog converter with a quadrant selector. To attain wideband quadrature signal, a two-stage hybrid based on transformers is proposed to realize the I/Q signal generator. The first- and se...Show More

An 18~30 GHz Vector-Sum Phase Shifter With Two-Stage Transformer-Based Hybrid in 130-nm SiGe BiCMOS

Yiming Yu;Yanpeng Wu;Pan Tang;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Wen-Yan Yin;Kai Kang

IEEE Transactions on Circuits and Systems I: Regular Papers

Year: 2023 | Volume: 70, Issue: 12 | Journal Article |

A Cost-Effective Ku-Band Phased Array in Package Integrating Multi-Independent CMOS Transceivers With On-Chip Antennas

Qingfeng Zhang;Chenxi Zhao;Xiaoning Zhang;Yunqiu Wu;Yiming Yu;Huihua Liu;Kai Kang

IEEE Microwave and Wireless Technology Letters

Year: 2023 | Volume: 33, Issue: 10 | Journal Article |

Cited by: Papers (1)

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A low-cost and integration-efficient Ku-band phased array is demonstrated for satellite communication, which is package integrated with four independent 180-nm CMOS transceivers (TRXs) with ON-chip antennas. To improve the integration of phased-array beamformer while considering the cost, a cost-effective packaging technique combining ON-chip and printed circuit board (PCB) is proposed. In additio...Show More

A Cost-Effective Ku-Band Phased Array in Package Integrating Multi-Independent CMOS Transceivers With On-Chip Antennas

Qingfeng Zhang;Chenxi Zhao;Xiaoning Zhang;Yunqiu Wu;Yiming Yu;Huihua Liu;Kai Kang

IEEE Microwave and Wireless Technology Letters

Year: 2023 | Volume: 33, Issue: 10 | Journal Article |

A 24–30 GHz 4-Stream CMOS Transceiver Based on Dual-LO Phase-Shifting Fully Connected Architecture

Qingfeng Zhang;Yiming Yu;Dongming Duan;Xin Xie;Shaoyu Meng;Haoran Wang;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Wenquan Che;Quan Xue;Kai Kang

2023 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)

Year: 2023 | Conference Paper |

Cited by: Papers (2)

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This paper presents a wideband low-complexity multi-stream beamforming transceiver (TRX) based on multiple local-oscillator (multi-LO) phase-shifting fully-connected (FC) architecture for MIMO communication. In supporting the same beams, the proposed architecture halves the complexity of the FC combiners as well as the ADCs/DACs overhead. Meanwhile, the FC combining network of each stream is imple...Show More

A 24–30 GHz 4-Stream CMOS Transceiver Based on Dual-LO Phase-Shifting Fully Connected Architecture

Qingfeng Zhang;Yiming Yu;Dongming Duan;Xin Xie;Shaoyu Meng;Haoran Wang;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Wenquan Che;Quan Xue;Kai Kang

2023 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)

Year: 2023 | Conference Paper |

Inverse Design of On-Chip Interconnect via Transfer Learning-Based Deep Neural Networks

Jingwei Zhang;Yin-Da Wang;Yunqiu Wu;Kai Kang;Wen-Yan Yin

IEEE Transactions on Components, Packaging and Manufacturing Technology

Year: 2023 | Volume: 13, Issue: 6 | Journal Article |

Cited by: Papers (8)

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on-chip interconnects are very important in both integrated circuits and systems, affecting signal transmission directly. To design the interconnects with better performance, designers usually rely on heuristic methods and even rules of thumb with high labor resources. To alleviate this issue, transfer learning-based deep neural networks (TL-DNNs) are proposed to realize the inverse and fully-auto...Show More

Inverse Design of On-Chip Interconnect via Transfer Learning-Based Deep Neural Networks

Jingwei Zhang;Yin-Da Wang;Yunqiu Wu;Kai Kang;Wen-Yan Yin

IEEE Transactions on Components, Packaging and Manufacturing Technology

Year: 2023 | Volume: 13, Issue: 6 | Journal Article |

A Dynamic Concentration-Dependent Analytical I,–V Model for LG-GFET Biosensor

Yunqiu Wu;Tao Xu;Ke Jiang;Duoduo Lv;Ying Shi;Hong Tang;Chenxi Zhao;Yiming Yu;Huihua Liu;Yuehang Xu;Kai Kang

IEEE Transactions on Electron Devices

Year: 2023 | Volume: 70, Issue: 6 | Journal Article |

Cited by: Papers (1)

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In the past few years, liquid-gated graphene field-effect transistors (LG-GFETs) have been widely used in biological detection due to their unique advantages. An accurate transistor model is the basis of biological detection circuit design, however, the reported GFET models are mainly focusing on solid-gated GFETs. Therefore, it is essential to conduct the research on LG-GFET model. In this articl...Show More

A Dynamic Concentration-Dependent Analytical I,–V Model for LG-GFET Biosensor

Yunqiu Wu;Tao Xu;Ke Jiang;Duoduo Lv;Ying Shi;Hong Tang;Chenxi Zhao;Yiming Yu;Huihua Liu;Yuehang Xu;Kai Kang

IEEE Transactions on Electron Devices

Year: 2023 | Volume: 70, Issue: 6 | Journal Article |

Mechanism Analysis and Experiment of the Effects of the Guard Ring on the Inductors Performance

Qingfeng Zhang;Yunqiu Wu;Chenxi Zhao;Yiming Yu;Huihua Liu;Kai Kang

IEEE Microwave and Wireless Technology Letters

Year: 2023 | Volume: 33, Issue: 3 | Journal Article |

Cited by: Papers (3)

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The grounded guard ring (GGR) is widely used to suppress the electromagnetic coupling (EMC) among adjacent inductors and reduce crosstalk with other components. However, the GGR will affect the performance of the inductor itself. To intuitively and deeply analyze the mechanism of the effects of GGR on the performance of inductors, an equivalent circuit model of inductors was adopted. Then, the sub...Show More

Mechanism Analysis and Experiment of the Effects of the Guard Ring on the Inductors Performance

Qingfeng Zhang;Yunqiu Wu;Chenxi Zhao;Yiming Yu;Huihua Liu;Kai Kang

IEEE Microwave and Wireless Technology Letters

Year: 2023 | Volume: 33, Issue: 3 | Journal Article |

A 23.9-30.5 GHz Harmonic Extraction VCO With High Subharmonic Suppression

Qingfan Zeng;Yang Shen;Huihua Liu;Yiming Yu;Yunqiu Wu;Chenxi Zhao;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

Cited by: Papers (2)

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This article presents a broadband third-harmonic extraction structure consisting of a subharmonic suppressed class-F voltage-controlled oscillator (VCO) and a wideband injection-locked buffer (ILB). An 8-shaped inductor is used in the weakly coupled transformer of the VCO to improve the subharmonic suppression and save the area. Meanwhile, the source tank broadens the frequency range of the third-...Show More

A 23.9-30.5 GHz Harmonic Extraction VCO With High Subharmonic Suppression

Qingfan Zeng;Yang Shen;Huihua Liu;Yiming Yu;Yunqiu Wu;Chenxi Zhao;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

An Event-Driven-Based Behavioral Modeling for Fractional-N CP-PLL

Hao Li;Mawuli Ernest Smith;Zhao Xing;Huihua Liu;Yiming Yu;Yunqiu Wu;Chenxi Zhao;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

Cited by: Papers (2)

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The event-driven (ED) model is an efficient, behavioral-level simulation model that is primarily used in mixed-signal simulations. This paper builds a fast and accurate model for fractional-N charge pump phase-locked loop (CPPLL) simulating. In this model, between two adjacent events, the process is divided into two stages. In the first stage, due to the current injection, it is necessary to updat...Show More

An Event-Driven-Based Behavioral Modeling for Fractional-N CP-PLL

Hao Li;Mawuli Ernest Smith;Zhao Xing;Huihua Liu;Yiming Yu;Yunqiu Wu;Chenxi Zhao;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

A 94-GHz 4TX/4RX Phased-array Transceiver for FMCW Radar with 16dBm Output and 8.8 dB NF in 65nm CMOS

Zelin Song;Chenxi Zhao;Yiming Yu;Xuanshuo Liu;Ruoning Wang;Shuangmin Zhang;Siyu Yang;Huihua Liu;Yunqiu Wu;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

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This paper presents a 94 GHz 4TX/4RX phased-array transceiver for frequency-modulated continuous wave (FMCW) radar in 65nm CMOS process. The transceiver consists of four transmitters (TXs) and four receivers (RXs) to achieve higher distance and receiver sensitivity. A wideband frequency octupler is employed as the local oscillation (LO) chain to lower the frequency of FMCW signal generator and pro...Show More

A 94-GHz 4TX/4RX Phased-array Transceiver for FMCW Radar with 16dBm Output and 8.8 dB NF in 65nm CMOS

Zelin Song;Chenxi Zhao;Yiming Yu;Xuanshuo Liu;Ruoning Wang;Shuangmin Zhang;Siyu Yang;Huihua Liu;Yunqiu Wu;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

An 84K-295K Small Signal Circuit Model for Fin Field Effect Transistor

Xu Chi;Yunqiu Wu;Jun Liu;Yiming Yu;Chenxi Zhao;Huihua Liu;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

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In this paper, an 84K- 295K small-signal circuit model for Fin Field-Effect transistor (FinFET) is proposed. This model takes non-quasi-static effect, channel length modulation effect, frequency distribution effect and substrate loss and coupling effect into account to describe the short-channel effect, high-frequency characteristics and large loss of bulk silicon process of the device. For verifi...Show More

An 84K-295K Small Signal Circuit Model for Fin Field Effect Transistor

Xu Chi;Yunqiu Wu;Jun Liu;Yiming Yu;Chenxi Zhao;Huihua Liu;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

A W-Band Low Noise Amplifier with High Gain and Low Noise Figure in 65-nm CMOS

Qingfeng Zhang;Siyu Yang;Zelin Song;Yunqiu Wu;Huihua Liu;Yiming Yu;Kai Kang;Zhongpei Zhang;Chenxi Zhao

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

Cited by: Papers (1)

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This paper presents a 94 GHz CMOS low-noise amplifier (LNA) with high gain and low noise figure (NF) for W-band frequency modulated continuous-wave (FMCW) radar applications. To reduce the NF and increase the gain, a differential transconductance enhanced (Gm-boosting) cascode structure based on transformer-coupled is proposed and applied in each stage. Furthermore, to increase the operating bandw...Show More

A W-Band Low Noise Amplifier with High Gain and Low Noise Figure in 65-nm CMOS

Qingfeng Zhang;Siyu Yang;Zelin Song;Yunqiu Wu;Huihua Liu;Yiming Yu;Kai Kang;Zhongpei Zhang;Chenxi Zhao

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

A 90-100GHz Passive Phase Shifter with Transistor-Based Capacitor-loaded Technique

Yanpeng Wu;Yiming Yu;Ruoning Wang;Qingfeng Zhang;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

Cited by: Papers (2)

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This paper presents a 6-bit 90-100GHz passive phase shifter with 6-bit phase resolution for W band wireless applications. It is composed of three π-type units with a high phase-shifting step, two shunt cells for low-step phase shifting, and a double-pole double-throw switch to reverse signal polarity. To minimize the impact of temperature variation on the phase performance, a transistor-based capa...Show More

A 90-100GHz Passive Phase Shifter with Transistor-Based Capacitor-loaded Technique

Yanpeng Wu;Yiming Yu;Ruoning Wang;Qingfeng Zhang;Chenxi Zhao;Huihua Liu;Yunqiu Wu;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

Research on Common-Mode Stability of Ka-Band Differential Common-Source Amplifiers

Linqizi Xiao;Chenxi Zhao;Yiming Yu;Huihua Liu;Yunqiu Wu;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

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This article presents the analysis of the common-mode (CM) instability mechanism after introducing parallel capacitors at the center tap of the input balun of Ka-band differential amplifiers. Designed and implemented in 65nm CMOS technology with a 1-V supply, the Ka-band differential single-stage amplifier is fabricated for verification. The proposed circuit self-oscillates after introducing the p...Show More

Research on Common-Mode Stability of Ka-Band Differential Common-Source Amplifiers

Linqizi Xiao;Chenxi Zhao;Yiming Yu;Huihua Liu;Yunqiu Wu;Kai Kang

2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

Year: 2022 | Conference Paper |

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