Search Results - "Zhao, Dixian"

A 60-GHz Dual-Mode Class AB Power Amplifier in 40-nm CMOS by Dixian Zhao, Reynaert, Patrick

“…A 60-GHz dual-mode power amplifier (PA) is implemented in 40-nm bulk CMOS technology. To boost the amplifier performance at millimeter-wave (mmWave)…”
Get full text

An E-Band Power Amplifier With Broadband Parallel-Series Power Combiner in 40-nm CMOS by Dixian Zhao, Reynaert, Patrick

“…This paper describes a fully integrated E-band power amplifier (PA) in 40-nm CMOS. The design and layout of the unit PA stage is optimized to achieve high…”
Get full text

A 40-nm CMOS E-Band 4-Way Power Amplifier With Neutralized Bootstrapped Cascode Amplifier and Optimum Passive Circuits by Dixian Zhao, Reynaert, Patrick

“…This paper reports a fully integrated 40-nm CMOS power amplifier (PA) for E-band applications. A neutralized bootstrapped cascode amplifier (NBCA) topology is…”
Get full text

A 40 nm CMOS E-Band Transmitter With Compact and Symmetrical Layout Floor-Plans by Dixian Zhao, Reynaert, Patrick

“…This paper describes a direct-conversion E-band transmitter (TX) in 40 nm bulk CMOS. As millimeter-wave (mm-Wave) circuits are vulnerable to process variations…”
Get full text

A 20-GHz 1.9-mW LNA Using gm-Boost and Current-Reuse Techniques in 65-nm CMOS for Satellite Communications by Zhang, Jiajun, Zhao, Dixian, You, Xiaohu

“…A 20-GHz low-power low-noise amplifier (LNA) in 65-nm CMOS is presented. The LNA is cascaded with a single-ended <inline-formula> <tex-math…”
Get full text

High-Efficiency Millimeter-Wave CMOS Switching Rectifiers: Theory and Implementation by He, Pingyang, Zhao, Dixian

“…This article proposes the concept of millimeterwave (mm-wave) switching rectifiers originated from drainpumped mixers. The topology and circuit design…”
Get full text

Analysis and Design of a CMOS Bidirectional Passive Vector-Modulated Phase Shifter by Gu, Peng, Zhao, Dixian, You, Xiaohu

“…This paper presents a passive vector-modulated phase shifter (VMPS). The passive X-type attenuator consisting of digitally controlled transistor-array units is…”
Get full text

Transformer-Based Doherty Power Amplifiers for mm-Wave Applications in 40-nm CMOS by Kaymaksut, Ercan, Dixian Zhao, Reynaert, Patrick

“…This paper presents a power amplifier (PA) topology to improve the back-off efficiency and the linearity of millimeter-wave (mm-wave) PAs without area…”
Get full text

E‐band broadband digital controlled phase‐inverting variable gain amplifier in 65‐nm CMOS by Feng, Yikun, Zhao, Dixian

“…This letter reports an E‐band phase‐inverting variable gain amplifier in 65‐nm complementary metal‐oxide‐semiconductor (CMOS) technology. A fractional bit…”
Get full text

A 60-GHz Outphasing Transmitter in 40-nm CMOS by Dixian Zhao, Kulkarni, S., Reynaert, P.

“…This paper presents the analysis, design, and implementation of a 60-GHz outphasing transmitter in 40-nm bulk CMOS. The 60-GHz outphasing transmitter is…”
Get full text

A Ka-band CMOS Digital-Controlled Phase-Invariant Variable Gain Amplifier with 4-bit Tuning Range and 0.5-dB Resolution by Yongran Yi, Dixian Zhao, Xiaohu You

“…This paper presents a broadband digital-controlled variable gain amplifier (VGA) in 65-nm CMOS. The phase-invariant technique is proposed to minimize the phase…”
Get full text

Next Generation Wireless Technologies for Internet of Things by Pau, Giovanni, Chaudet, Claude, Zhao, Dixian, Collotta, Mario

“…In the fast-growing Internet of Things (IoT)[...]…”
Get full text

14.1 A 0.9V 20.9dBm 22.3%-PAE E-band power amplifier with broadband parallel-series power combiner in 40nm CMOS by Dixian Zhao, Reynaert, Patrick

“…This paper reports a fully integrated 40nm CMOS PA that utilizes a broadband parallel-series power combiner to achieve an output power (POUT) of 20.9dBm with…”
Get full text

GASPAD: A General and Efficient mm-Wave Integrated Circuit Synthesis Method Based on Surrogate Model Assisted Evolutionary Algorithm by Bo Liu, Dixian Zhao, Reynaert, Patrick, Gielen, Georges G. E.

“…The design and optimization (both sizing and layout) of mm-wave integrated circuits (ICs) have attracted much attention due to the growing demand in industry…”
Get full text

A liquid crystal-based multi-bit terahertz reconfigurable intelligent surface by Shen, Ze, Li, Weili, Jin, Biaobing, Zhao, Dixian

“…Recently, the growing interest in reconfigurable intelligent surface (RIS) technology has spurred extensive research on its utilization in the terahertz (THz)…”
Get full text

A Non-Contact Vital Signs Detection in a Multi-Channel 77GHz LFMCW Radar System by Wu, Qisong, Mei, Zengyang, Lai, Zhichao, Li, Dianze, Zhao, Dixian

“…The technology of vital signs detection has been proven of great use, whereas it is still limited by several challenges. One of the major challenges is the…”
Get full text

Geometric Analysis and Systematic Design of Millimeter-Wave Low-Power Frequency Dividers in 65-nm CMOS by Zhu, Mingyu, Zhao, Dixian

“…Broadband current-mode logic static divide-by-2 and divide-by-4 circuits fabricated in 65-nm CMOS are presented. The low-power frequency dividers are analyzed…”
Get full text

A Ka-Band Balanced Four-Beam Phased-Array Receiver With Symmetrical Beam-Distribution Network in 65-nm CMOS by Peng, Na, Gu, Peng, Zhao, Dixian

“…This paper demonstrates a Ka-band CMOS phased-array receiver capable of generating four balanced beams from two inputs. A passive four-beam symmetrical…”
Get full text

Design of an Optimal Layout Polyphase Filter for Millimeter-Wave Quadrature LO Generation by Kulkarni, Shailesh, Dixian Zhao, Reynaert, Patrick

“…The analysis and design of a two-stage passive RC polyphase filter for millimeter-wave quadrature local oscillator generation is presented. The layout…”
Get full text

Synthesis of Integrated Passive Components for High-Frequency RF ICs Based on Evolutionary Computation and Machine Learning Techniques by Bo Liu, Dixian Zhao, Reynaert, P., Gielen, Georges G. E.

“…State-of-the-art synthesis methods for microwave passive components suffer from the following drawbacks. They either have good efficiency but highly depend on…”
Get full text