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Haikun Jia

Biography

Enrollment Date: 2009

Graduation Date：2015

Degree：Ph.D.

Defense Date：2015.06.06

Advisors：Zhihua Wang Baoyong Chi

Department：Institute of Microelectronics，Tsinghua University

Title of Dissertation/Thesis：Research on Key Techiniques of CMOS Millimeter-Wave FMCW Phased-Array Radar Transceiver

Abstract:
The demand for driving safety grows rapidly in modern society. The automotive radar plays an important role to improve the driving safety and avoid the traffic accident. Millimeter-wave (mm-wave) automotive radars are robust against various environments such as rain, fog, snow. They have attracted a lot of attention. At the same time, the rapid development of CMOS technology makes it possible to implement low cost mm-wave automotive radar. The goal of this dissertation is to research the key techniques of CMOS mm-wave FMCW phased-array automotive radar transceiver chip for both short range radar (SRR) and long range radar (LRR) applications. This dissertation proposes one two-element phased-array FMCW radar transceiver architecture based on frequency doubling local oscillating (LO) phase shifting scheme. The frequency range of the FMCW signal generator is lowered down from 76.0~79.0 GHz to 38.0~39.5 GHz, which reduces the design complexity of both the FMCW signal generator and the LO distribution network. The required phase shifting range of the phase shifter is also halved. This dissertation also proposes an mm-wave self-healing technique to calibrate the frequency shifting issue of mm-wave amplifiers. An mm-wave amplifier is designed to verify the self-healing technique. The measured results for five chips show that the gain is improved by 2.60 dB and the input matching is improved by 12.78 dB in average after the self-healing procedure. A frequency doubler is essencial in the frequency doubling scheme. This dissertation proposes an injection-locked frequency doubler based on top-injected coupled resonator. The frequency locking range can be enhanced. Measured results show that the frequency doubler achieves a frequency locking range from 69.2 to 94.6 GHz under 3.4~4.1 dBm injection power. A novel phase shifter based on current-reused coupled resonator is also proposed in this dissertation. The coupled resonator can increase the phase shifting range and reduce the gain variation along with different phase shifting values. The phase shifter has been implemented in 65nm CMOS. When the phase shifting range covers 90°, the gain variation is less than 1.0 dB. The above techniques have been utilized to implement a fully-integrated two-element phased-array FMCW radar transceiver in 65nm CMOS. The transceiver integrates a FMCW singal generator, frequency doublers, a power amplifier, phase shifters, two path receiving frontend and analog baseband. The measured results shows the frequency range of the FMCW signal is from 77.0 to 78.9 GHz for SRR and from 76.1 GHz to 77.0 GHz for LRR. The transmitting power is 12.9~13.6 dBm. The gain of two receiver frond-end paths is 31.0 dB and 32.5 dBm, respectively. The gain of the analog baseband is programmable between 16.8 dB and 68.2 dB. The equivalent noise figures of the two-path receiver at 400 kHz and 3.3 MHz intermedium frequency are 10.0 dB and 6.6 dB, respectively. The radar transceiver consumes 343 mW power and the chip area is 4.64 mm2. Compared with the-state-of-the-art, our radar transceiver has advantages in the transmitting power, chip area and power consumption.

Publications

Papers：：

[1] Jiawei Wang, Hao Xu, Ziqiang Wang, Haikun Jia, Hanjun Jiang, Chun Zhang, Zhihua Wang, A 128 Gbps PAM-4 feed forward equaliser with optimized 1UI pulse generator in 65 nm CMOS, IET CIRCUITS DEVICES & SYSTEMS, Vol.17, No.3, pp.174-179, 2023.

[2] Pingda Guan, Haikun Jia, Wei Deng, Shengnan Dong, Xiangrong Huang, Zhihua Wang, Baoyong Chi, A 33.5–37.5-GHz Four-Element Phased-Array Transceiver Front-End With Hybrid Architecture Phase Shifters and Gain Controllers, IEEE Transactions on Microwave Theory and Techniques, Vol.71, No.9, pp.4129-4143, 2023.

[3] Yaqian Sun, Wei Deng, Haikun Jia, Yejun He, Zhihua Wang, Baoyong Chi, A Compact and Low Phase Noise Square-Geometry Quad-Core Class-F VCO Using Parallel Inductor-Sharing Technique, IEEE Journal of Solid-State Circuits, Vol.58, No.10, pp.2861-2873, 2023.

[4] Xiangrong Huang, Haikun Jia, Shengnan Dong, Wei Deng, Zhihua Wang, Baoyong Chi, A 24–30-GHz Four-Element Phased Array Transceiver With Low Insertion Loss Compact T/R Switch and Bidirectional Phase Shifter for 5G Communication, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, Vol.31, No.11, pp.1839-1851, 2023.

[5] Fuyuan Zhao, Wei Deng, Rui Wu, Haikun Jia, Qixiu Wu, Jihao Xin, Zhiyuan Zeng, Yanlei Li, Yejun He, Zhihua Wang, Baoyong Chi, A Ka-Band 4TX/4RX Dual-Stream Joint Radar-Communication Phased-Array CMOS Transceiver, IEEE Transactions on Microwave Theory and Techniques, Vol.PP, No.99, pp.1-16, 2023.

[6] Shiwei Zhang, Wei Deng, Haikun Jia, Hongzhuo Liu, Shiyan Sun, Pingda Guan, Baoyong Chi, A 100 MHz-Reference, 10.3-to-11.1 GHz Quadrature PLL with 33.7-fsrms Jitter and -83.9 dBc Reference Spur Level using a -130.8 dBc/Hz Phase Noise at 1MHz offset Folded Series-Resonance VCO in 65nm CMOS, CICC 2023, pp.1-2, 2023.

[7] Bufan Zhu, Wei Deng, Ziying Huang, Haikun Jia, Haiyang Jia, Angxiao Yan, Yumeng Yang, Junfeng Liu, Yu Fu, Shiyan Sun, Chao Tang, Taikun Ma, Jiajie Tang, Baoyong Chi, A Digital-Intensive 6-to-11 GHz 1T2R IEEE 802.15.4/4z- Compliant Multi-Functional Joint-Radar-Communication Transceiver SoC for Wireless Indoor Sensing Data-fusion, CICC 2023, pp.1-2, 2023.

[8] Ziying Huang, Wei Deng, Haikun Jia, Bufan Zhu, Angxiao Yan, Baoyong Chi, A 6.5-to-8GHz IEEE 802.15.4z-compliant All-Digital UWB Transmitter with Integrated Fast-Settling Master-Slave Regulator, ISCAS 2023, pp.1-4, 2023.

[9] Qiuyu Peng, Haikun Jia, Ran Fang, Pingda Guan, Mingxing Deng, Jiamin Xue, Wei Deng, Xin Liang, Baoyong Chi, A 26-Gb/s 140-GHz OOK CMOS Transmitter and Receiver Chipset for High-Speed Proximity Wireless Communication, RFIC 2023, pp.145-148, 2023.

[10] Fuyuan Zhao, Wei Deng, Haikun Jia, Wenjing Ye, Ruichen Wan, Baoyong Chi, A Band-Shifting Millimeter-Wave T/R Front-End with Enhanced Imaging and Interference Rejection Covering 5G NR FR2 n257/n258/n259/n260/n261 Bands, RFIC 2023, pp.29-32, 2023.

[11] Angxiao Yan, Wei Deng, Haikun Jia, Shiyan Sun, Chao Tang, Bufan Zhu, Yu Fu, Hongzhuo Liu, Baoyong Chi, An 11.4-to-16.4GHz FMCW Digital PLL with Cycle-slipping Compensation and Back-tracking DPD Achieving 0.034% RMS Frequency Error under 3.4-GHz Chirp Bandwidth and 960-MHz/μs Chirp Slope, VLSI Technology and Circuits 2023, pp.1-2, 2023.

[12] Dongze Li, Wei Deng, Haikun Jia, Ruiheng Qiu, Xintao Li, Ziyuan Guo, Baoyong Chi, A 37-to-41.8 GHz Double-Gm-Boosting LNA with 2.9-dB NFmin Using Quadruple-Coupling Transformer for Phased-Array Transceivers, ESSCIRC 2023, pp.385-388, 2023.

[13] Hongzhuo Liu, Wei Deng, Haikun Jia, Shiwei Zhang, Shiyan Sun, Baoyong Chi, A 4.8-GHz Time-Interleaved Multi-Reference PLL with 16.1-fs Jitter, ESSCIRC 2023, pp.261-264, 2023.

[14] Dongze Li, Wei Deng, Xintao Li, Ruiheng Qiu, Haikun Jia, Xiangrong Huang, Ziyuan Guo, Baoyong Chi, A 27-to-31.6 GHz 8-Element Phased-Array Transmitter Front-End with Inter-Element-Interference Cancellation Scheme in 65 nm CMOS, A-SSCC 2023, pp.1-3, 2023.

[15] Angxiao Yan, Wei Deng, Haikun Jia, Shiwei Zhang, Baoyong Chi, A Transient Enhancement Digital LDO with Adaptive Ripple Cancelation Based on Optimal Compensation Period Approximation, A-SSCC 2023, pp.1-3, 2023.

[16] Ziyi Lin, Haikun Jia, Chuanming Zhu, Wei Deng, Huabing Liao, Bao Shi, Lujie Hao, Xiangrong Huang, Baoyong Chi, A 26.9-GHz 4-Element Code-Domain Hybrid Beamforming Phased-Array Receiver, A-SSCC 2023, pp.1-3, 2023.

[17] Shijie Li, Ruichang Ma, Mingxing Deng, Jiamin Xue, Baoyong Chi, Haikun Jia, INVITED PAPER: A 312.5Mbps-32Gbps JESD204C Wireline Transceiver Back-Compatible with JESD204B in 28nm CMOS, ICTA 2023, pp.21-24, 2023.

[18] Qixiu Wu, Wei Deng, Haikun Jia, Hongzhuo Liu, Shiwei Zhang, Zhihua Wang, Baoyong Chi, 8.1 An 11.5-to-14.3GHz 192.8dBc/Hz FoM at 1MHz Offset Dual-Core Enhanced Class-F VCO with Common-Mode-Noise Self-Cancellation and Isolation Technique, ISSCC 2023, pp.7-9, 2023.

[19] Yumeng Yang, Wei Deng, Angxiao Yan, Haikun Jia, Junlong Gong, Zhihua Wang, Baoyong Chi, A 10-to-300MHz Fractional Output Divider with -80dBc Worst-Case Fractional Spurs Using Auxiliary-PLL-Based Background 0th/1st/2nd-Order DTC INL Calibration, ISSCC 2023, pp.1-3, 2023.

[20] Pingda Guan, Haikun Jia, Wei Deng, Ruichang Ma, Huabing Liao, Zhihua Wang, Baoyong Chi, A 25.0-to-35.9GHz Dual-Layer Quad-Core Dual-Mode VCO with 189.1dBc/Hz FoM and 200.2dBc/Hz FoMT at 1MHz Offset in 65nm CMOS, CICC 2023, pp.1-2, 2023.

[21] Xiangrong Huang, Haikun Jia, Wei Deng, Zhihua Wang, Baoyong Chi, A 91.9-113.2 GHz Compact Frequency Tripler with 44.6 dBc Peak Fundamental Harmonic-Rejection-Ratio Using Embedded Notch-filters and Area-Efficient Matching Network in 65 nm CMOS, RFIC 2023, pp.165-168, 2023.

[22] Pingda Guan, Haikun Jia, Wei Deng, Ruichang Ma, Mingxing Deng, Jiamin Xue, Angxiao Yan, Shiyan Sun, Zhihua Wang, Baoyong Chi, A Fully Integrated Bit-to-Bit 24/48Gb/s QPSK/16-QAM D-Band Transceiver with Mixed-Signal Baseband in 28nm CMOS Technology, A-SSCC 2023, pp.1-3, 2023.

[23] Xiangrong Huang, Haikun Jia, Wei Deng, Chuanming Zhu, Zhihua Wang, Xuzhi Liu, Zhiming Chen, Baoyong Chi, A 4-Element 4-Beam Ka-Band Phased-Array Receiver Using Mesh Topology in 65 nm CMOS, A-SSCC 2023, pp.1-3, 2023.

[24] Ruichang Ma, Haikun Jia, Hongzhuo Liu, Wei Deng, Zhihua Wang, Baoyong Chi, IEEE ASSCC 2023/ Session 10/ Paper 10.5, A-SSCC 2023, pp.1-3, 2023.

[25] Xiangrong Huang, Haikun Jia, Wei Deng, Zhihua Wang, Baoyong Chi, A Compact E-Band Load-Modulation Balanced Power Amplifier Using Coupled Transmission-Line Output Network Achieving 22.1-dBm Psat and 34.9%/12.2% Efficiency at Psat/6-dB PBO, A-SSCC 2023, pp.1-3, 2023.

[26] Shiyan Sun, Wei Deng, Haikun Jia, Rui Wu, Chenggang Li, Zhihua Wang, Zhiming Chen, Baoyong Chi, A Wide Tuning Range Dual-Core Quad-Mode Orthogonal-Coupled VCO With Concurrently Dual-Output Using Parallel 8-Shaped Resonator, IEEE Transactions on Microwave Theory and Techniques, Vol.PP, No.99, pp. 1 -15, 2022.

[27] Yaqian Sun, Wei Deng, Haikun Jia, Zhihua Wang, Baoyong Chi, A 4.4-GHz 193.2-dB FoM 8-Shaped-Inductor Based LC-VCO Using Orthogonal-Coupled Triple-Coil Transformer, IEEE Transactions on Circuits and Systems II: Express Briefs, Vol.69, No.10, pp.4028-4032, 2022.

[28] Haikun Jia, Pingda Guan, Wei Deng, Zhihua Wang, Baoyong Chi, A Low-Phase-Noise Quad-Core Millimeter-Wave Fundamental VCO Using Circular Triple-Coupled Transformer in 65-nm CMOS, IEEE Journal of Solid-State Circuits, Vol.58, No.2, pp.371-385, 2022.

[29] Wei Deng, Zipeng Chen, Haikun Jia, Pingda Guan, Taikun Ma, Angxiao Yan, Shiyan Sun, Xiangrong Huang, Guopei Chen, Ruichang Ma. Shengnan Dong, Luqiang Duan, Zhihua Wang, Baoyong Chi, A D-Band Joint Radar-Communication CMOS Transceiver, IEEE Journal of Solid-State Circuits, Vol.58, No.2, pp.411-427, 2022.

[30] Fuyuan Zhao, Wei Deng, Rui Wu, Haikun Jia, Qixiu Wu, Jihao Xin, Zhiyuan Zeng, Yanlei Li, Zhihua Wang, A 29-to-36 GHz 4TX/4RX Dual-stream Phased-array Joint Radar-Communication CMOS Transceiver Supporting Centimeter-level 2D Imaging and 64-QAM OTA Wireless Link, RFIC 2022, pp.131-134, 2022.

[31] Xiangrong Huang, Haikun Jia, Wei Deng, Zhihua Wang, Baoyong Chi, 28 GHz Compact LNAs with 1.9 dB NF Using Folded Three-Coil Transformer and Dual-Feedforward Techniques in 65nm CMOS, RFIC 2022, pp.223-226, 2022.

[32] Haikun Jia, Ruichang Ma, Wei Deng, Zhihua Wang, Baoyong Chi, A 53.6-to-60.2GHz Many-Core Fundamental Oscillator With Scalable Mesh Topology Achieving -136.0dBc/Hz Phase Noise at 10MHz Offset and 190.3dBc/Hz Peak FoM in 65nm CMOS, ISSCC 2022, pp.1-3, 2022.

[33] Qixiu Wu, Wei Deng, Haikun Jia, Rui Wu, Fuyuan Zhao, Baoyong Chi, A Highly Linearized Ka-band Heterodyne Receiver using a Folded Class-AB Inductive Peaking Mixer and Magnetic-Self-Cancellation-Transformer-Based IF Amplifiers, ISCAS 2022, pp.3351-3354, 2022.

[34] Yunqi Yang, Ming Zhong, Qianli Ma, Ziyi Lin, Leliang Li, Guike Li, Liyuan Liu, Jian Liu, Nanjian Wu, Haikun Jia, Xinghui Liu, Nan Qi, A 56Gb/s De-serializer with PAM-4 CDR for Chiplet Optical-I/O, ICTA 2022, pp.202-203, 2022.

[35] Xiangrong Huang, Wei Deng, Haikun Jia, Yuhui Wei, Zhihua Wang, Baoyong Chi, A C-band FMCW Radar Transmitter with a 22 dBm Output Power Series-stacking CMCD PA for Long-distance Detection in 180-nm CMOS Technology, ICTA 2022, pp.191-192, 2022.

[36] Ziyue Dang, Haikun Jia, Wei Deng, Zhihua Wang, Baoyong Chi, Optimization methods for high inductance-density inductors for high speed integrated circuits, ICTA 2022, pp.243-244, 2022.

[37] Huabing Liao, Haikun Jia, Xiangrong Huang, Bao Shi, Wei Deng, Baoyong Chi, Zhihua Wang, A 22.8 GHz to 32.8 GHz Compact Power Amplifier with a 15 dBm Output P1dB and 36.5% Peak PAE in 65-nm CMOS, ICTA 2022, pp.84-85, 2022.

[38] Hongzhuo Liu, Wei Deng, Haikun Jia, Shiyan Sun, Qixiu Wu, Jiajie Tang, Zhihua Wang, Baoyong Chi, A 4.7GHz Synchronized-Multi-Reference PLL with In-Band Phase Noise Lower than Reference Phase Noise +20logNdiv, ESSCIRC 2022, pp.233-236, 2022.

[39] Ruichang Ma, Haikun Jia, Wei Deng, Zhihua Wang, Baoyong Chi, A 12.5-to-15.4GHz, -118.9dBc/Hz PN at 1MHz offset, and 191.0dBc/Hz FoM VCO with Common-Mode Resonance Expansion, CICC 2022, pp.1-2, 2022.

[40] Yaqian Sun, Wei Deng, Haikun Jia, Zhihua Wang, Baoyong Chi, A Compact Square-Geometry Quad-Core 19 GHz Class-F VCO with Parallel Inductor-sharing Technique achieving -137.2 dBc/Hz Phase Noise at 10MHz Offset, A-SSCC 2022, pp.1-3, 2022.

[41] Angxiao Yan, Wei Deng, Haikun Jia, Shiwei Zhang, Rui Wu, Zhihua Wang, Baoyong Chi,, A Capacitor-less Digital LDO using Ripple-Frequency-Adaptive Time-domain Digital Pre-distortion Technique, A-SSCC 2022, pp.1-3, 2022.

[42] Taikun Ma, Wei Deng, Haikun Jia, Yejun He，Baoyong Chi, A 76–81 GHz FMCW 2TX/3RX Radar Transceiver with Integrated Mixed-Mode PLL and Series-Fed Patch Antenna Array, ASP-DAC 2022, pp.3-4, 2022.

[43] Wei Deng,Zipeng Chen,Haikun Jia,Angxiao Yan,Shiyan Sun,Guopei Chen,Zhihua Wang,Baoyong Chi, A Self-Adapted Two-Point Modulation Type-II Digital PLL for Fast Chirp Rate and Wide Chirp-Bandwidth FMCW Signal Generation, IEEE Journal of Solid-State Circuits, Vol.PP, No.99, pp. 1 - 1, 2021.

[44] Wei Deng,Zipeng Chen,Haikun Jia,Shiyan Sun,Guopei Chen,Zhihua Wang,Baoyong Chi, A 11.1-to-14.2 GHz Self-adapted Two-point Modulation Dual-path Type-II Digital PLL Concurrently Achieving 124.7-MHz/μs Chirp Rate and 2.27-GHz Bandwidth, VLSI Circuits 2021, pp.1-2, 2021.

[45] Zipeng Chen,Wei Deng,Haikun Jia,Pingda Guan,Taikun Ma,Shiyan Sun,Xiangrong Huang,Guopei Chen,Ruichang Ma, Shengnan Dong, Luqiang Duan, Zhihua Wang, Baoyong Chi, A 122-168GHz Radar/Communication Fusion-Mode Transceiver with 30GHz Chirp Bandwidth, 13dBm Psat, and 8.3dBm OP1dB in 28nm CMOS, VLSI Circuits 2021, pp.1-2, 2021.

[46] Haikun Jia,Wei Deng,Pingda Guan,Zhihua Wang,Baoyong Chi, A 60GHz 186.5dBc/Hz FoM Quad-Core Fundamental VCO Using Circular Triple-Coupled Transformer with No Mode Ambiguity in 65nm CMOS, ISSCC 2021, pp.1-3, 2021.

[47] Pingda Guan,Haikun Jia,Wei Deng,Zhihua Wang,Baoyong Chi, An Ultra-Compact 16-to-45 GHz Power Amplifier within A Single Inductor Footprint Using Folded Transformer Technique, CICC 2021, pp.1-2, 2021.

[48] Wei Deng,Haikun Jia,Rui Wu,Shiyan Sun,Chenggang Li,Zhihua Wang,Baoyong Chi, An 8.2-to-21.5 GHz Dual-Core Quad-Mode Orthogonal-Coupled VCO with Concurrently Dual-Output using Parallel 8-Shaped Resonator, CICC 2021, pp.1-2, 2021.

[49] Pingda Guan,Haikun Jia,Wei Deng,Zhihua Wang,Baoyong Chi, A 33.5-37.5 GHz 4-Element Phased-Array Transceiver Front-End with High-Accuracy Low-Variation 6-bit Resolution 360° Phase Shift and 0~31.5 dB Gain Control in 65 nm CMOS, A-SSCC 2021, pp.1-3, 2021.

[50] Xiangrong Huang,Haikun Jia,Shengnan Dong,Wei Deng,Zhihua Wang,Baoyong Chi, A 24-30GHz 4-Element Phased Array Transceiver with Low Insertion Loss Compact T/R Switch and Bidirectional Phase Shifter in 65 nm CMOS Technology, A-SSCC 2021, pp.1-3, 2021.

[51] Zipeng Chen,Wei Deng,Haikun Jia,Yibo Liu,Jianxi Wu,Pingda Guan,Jinyu Zhu,Luhong Mao,Zhihua Wang, Baoyong Chi, A U-Band PLL Using Implicit Distributed Resonators for Sub-THz Wireless Transceivers in 40 nm CMOS, IEEE Transactions on Circuits and Systems II: Express Briefs, Vol.67, No.9, pp. 1574 - 1578, 2020.

[52] Haikun Jia,Clarissa C. Prawoto,Baoyong Chi,Zhihua Wang,C. Patrick Yue, A Full Ka-Band Power Amplifier With 32.9% PAE and 15.3-dBm Power in 65-nm CMOS, IEEE Transactions on Circuits and Systems I: Regular Papers, Vol.65, No.9, pp. 2657 - 2668, 2018.

[53] Baoyong Chi,Zheng Song,Haikun Jia,Lixue Kuang,Jianfu Lin,Zhihua Wang, CMOS circuit techniques for mm-wave communications, IWS 2018, pp. 1 - 3, 2018.

[54] Baoyong Chi,Zheng Song,Lixue Kuang,Haikun Jia,Xiangyu Meng,Zhihua Wang, CMOS mm-wave transceivers for Gbps wireless communication, Journal of Semiconductors, No.7, pp. 5 - 15, 2016.

[55] Haikun Jia,Baoyong Chi,Lixue Kuang,Zhihua Wang, A Simple and Robust Self-Healing Technique for Millimeter-Wave Amplifiers, IET Circuits, Devices & Systems, Vol.10, No.1, pp. 37 - 43, 2016.

[56] Haikun Jia,Lixue Kuang,Zhihua Wang,Baoyong Chi, A W-Band Injection-Locked Frequency Doubler Based on Top-Injected Coupled Resonator, IEEE Transactions on Microwave Theory and Techniques, Vol.64, No.1, pp. 210 - 218, 2016.

[57] Haikun Jia,Lixue Kuang,Wei Zhu,Zhiping Wang,Feng Ma,Zhihua Wang,Baoyong Chi, A 77 GHz Frequency Doubling Two-Path Phased-Array FMCW Transceiver for Automotive Radar, IEEE Journal of Solid-State Circuits, Vol.51, No.10, pp. 2299 - 2311, 2016.

[58] Haikun Jia,Baoyong Chi,Lixue Kuang,Zhihua Wang, A W-Band Power Amplifier Utilizing a Miniaturized Marchand Balun Combiner, IEEE Transactions on Microwave Theory and Techniques, Vol.63, No.2, pp. 719 - 725, 2015.

[59] Haikun Jia,Baoyong Chi,Lixue Kuang,Zhihua Wang, A 47.6-to-71.0 GHz 65-nm CMOS VCO Based on Magnetically Coupled pi-Type LC Network, IEEE Transactions on Microwave Theory and Techniques, Vol.63, No.5, pp. 1645 - 1657, 2015.

[60] Lixue Kuang,Baoyong Chi,Haikun Jia,Wen Jia,Zhihua Wang, A 60-GHz CMOS dual-mode power amplifier with efficiency enhancement at low output power, IEEE Transactions on Circuits and Systems II: Express Briefs, Vol.62, No.4, pp. 352 - 356, 2015.

[61] Haikun Jia,Baoyong Chi,Lixue Kuang,Xiaobao Yu,Lei Chen,Wei Zhu,Meng Wei,Zheng Song,Zhihua Wang, Research on CMOS Mm-Wave Circuits and Systems for Wireless Communications, China Communications, Vol.12, No.5, pp. 1 - 13, 2015.

[62] Zhiqiang Huang,Luong, H.C.,Baoyong Chi,Zhihua Wang,Haikun Jia, A 70.5-to-85.5GHz 65nm Phase-Locked Loop with Passive Scaling of Loop Filter, ISSCC 2015, pp. 1 - 3, 2015.

[63] Haikun Jia,Baoyong Chi,Zhihua Wang, An 8.2 GHz triple coupling low-phase-noise class-F QVCO in 65nm CMOS, ESSCIRC 2015, pp. 124 - 127, 2015.

[64] Haikun Jia,Baoyong Chi,Lixue Kuang,Zhihua Wang, A 77 GHz FMCW radar transmitter with reconfigurable power amplifier in 65 nm CMOS, Microelectronics Journal, Vol.45, No.7, pp. 898 - 903, 2014.

[65] Lixue Kuang,Xiaobao Yu,Haikun Jia,Lei Chen,Wei Zhu,Meng Wei,Zheng Song,Zhihua Wang,Baoyong Chi, A fully-integrated 60-GHz 5-Gb/s QPSK transceiver with T/R switch in 65-nm CMOS, IEEE Transactions on Microwave Theory and Techniques, Vol.62, No.12, pp. 3131 - 3145, 2014.

[66] Lixue Kuang,Baoyong Chi,Haikun Jia,Zuochang Ye,Wen Jia,Zhihua Wang, Co-Design of 60-GHz Wideband Front-End IC With On-Chip T/R Switch Based on Passive Macro-Modeling, IEEE Transactions on Microwave Theory and Techniques, Vol.62, No.11, pp. 2743 - 2754, 2014.

[67] Haikun Jia,Baoyong Chi,Lixue Kuang,Zhihua Wang, A 38- to 40-GHz Current-Reused Active Phase Shifter Based on the Coupled Resonator, IEEE Transactions on Circuits and Systems II: Express Briefs, Vol.61, No.12, pp. 917 - 921, 2014.

[68] Xiangyu Meng,Baoyong Chi,Haikun Jia,Lixue Kuang,Zhihua Wang, 142 GHz amplifier with 18.5 dB gain and 7.9 mW DC power in 65 nm CMOS, Electronics Letters, Vol.50, No.21, pp. 1513 - 1514, 2014.

[69] Xiangyu Meng,Baoyong Chi,Haikun Jia,Lixue Kuang,Wen Jia,Zhihua Wang, A wideband on-chip millimeter-wave patch antenna in 0.18 μm CMOS, Journal of Semiconductors, Vol.34, No.10, pp. 105010-1 - 105010-5, 2013.

[70] Lixue Kuang,Baoyong Chi,Haikun Jia,Zuochang Ye,Wen Jia,Zhihua Wang, Co-design of 60GHz wideband front-end IC with on-chip Tx/Rx switch based on passive macro-modeling, RFIC 2013, pp. 93 - 96, 2013.

[71] Haikun Jia,Baoyong Chi,Lixue Kuang,Zhihua Wang, A Self-Healing mm-Wave Amplifier Using Digital Controlled Artificial Dielectric Transmission Lines, A-SSCC 2013, pp. 425 - 428, 2013.

[72] Haikun Jia,Baoyong Chi,Lixue Kuang,Zhihua Wang, A resonant-mode switchable VCO with 47.6–71.0 GHz tuning range based on π-type LC network, A-SSCC 2013, pp. 321 - 324, 2013.

[73] Mingkun Shao,Baoyong Chi,Haikun Jia,Zhihua Wang, Design of Analog Baseband Circuits for 77GHz Mm-wave radar applications, Microelectronics, 2012.

[74] Haikun Jia,Baoyong Chi,Lixue Kuang,Zhihua Wang, A 1 V, 69–73 GHz CMOS power amplifier based on improved Wilkinson power combiner, Microelectronics Journal, Vol.43, No.6, pp. 370 - 376, 2012.

Patents：

[1] Wei Deng, Yaqian Sun, Haikun Jia, Baoyong Chi. Voltage controlled oscillator, phase-locked loop and electronic equipment: China, 202210705273.0[P].

[2] Wei Deng, Hongzhuo Liu, Haikun Jia, Baoyong Chi. Phase locked loop, signal processing equipment and signal processing method: China, 202210634606.5[P].

[3] Wen Jia，Baoyong Chi，Haikun Jia，Wei Deng ，Zhihua Wang. Signal transmission circuit, amplifier and transceiver: China, 202210451958.7[P].

[4] Wen Jia，Baoyong Chi，Haikun Jia，Wei Deng ，Zhihua Wang. Modulation circuit and transmitter: China, 202210431356.5[P].

[5] Haikun Jia, Xiangrong Huang, Wei Deng, Baoyong Chi. Double feedforward path low-noise amplifier circuit and amplifier based on electromagnetic double coupling: China, 202210179945.9[P].

[6] Haikun Jia, Xiangrong Huang, Wei Deng, Yongbao Chi. Phased array beamforming network: China, 202111494320.3[P].

[7] Haikun Jia, Xiangrong Huang, Wei Deng, Yongbao Chi. Millimeter wave power distribution network: China, 202111494319.0[P].

[8] Wei Deng, Haikun Jia, Baoyong Chi. Digital time converter and electronic device: China, 202110514323.2[P].

[9] Wei Deng, Haikun Jia, Baoyong Chi. Direct modulated digital transmitter and modulation transmitting method of transmitter: China, 202110361204.8[P]. 2022-08-30.

[10] Wei Deng, Haikun Jia, Baoyong Chi. Voltage-controlled oscillator: China, 202110298203.3[P].

[11] Haikun Jia, Wei Deng, Baoyong Chi. Voltage-controlled oscillator: 中国, 202011566001.4[P].

[12] Wei Deng, Haikun Jia, Baoyong Chi. Orthogonal local oscillator signal generator, local oscillator link and radio frequency transceiver: China, 202011515684.0[P].

[13] Haikun Jia, Pingda Guan, Wei Deng, Baoyong Chi. Integrated inductive device and amplifier: China, 202011133209.7[P]. 2022-01-11.

[14] Baoyong Chi, Lei Chen, Lixue Kuang, Haikun Jia, Zhihua Wang. A millimeter wave phase-locked loop: 中国, 201310508729.5[P]. 2016-02-10.

[15] Baoyong Chi, Lixue Kuang, Haikun Jia, Wen Jia, Zhihua Wang. Wireless communication transceiver front-end: China, 201310215615.1[P]. 2015-09-23.

[16] Baoyong Chi, Haikun Jia, Wen Jia, Zhihua Wang. Differential transmission device and the amplifier including the same: China, 201310104257.7[P]. 2017-03-15.

[17] Baoyong Chi, Haikun Jia, Zhihua Wang. Power combining type power amplifier and application thereof: China, 201210392867.7[P]. 2015-10-28.

[18] Baoyong Chi, Haikun Jia, Lixue Kuang, Zhihua Wang. Millimeter wave frequency modulated continuous wave (FMCW) two-unit phased array distance and velocity measurement monolithic radar transceiver: China, 201210393627.9[P]. 2014-06-04.