Millimeter-Wave FMCW Signal Generators for Radar Applications

被引：0

作者：

Wu, Jianxi ^{[1
]}

Lin, Jianfu ^{[1
]}

Jia, Haikun ^{[1
]}

Chi, Baoyong ^{[1
]}

机构：

[1] Tsinghua Univ, Inst Microelect, Beijing 100084, Peoples R China

来源：

2018 14TH IEEE INTERNATIONAL CONFERENCE ON SOLID-STATE AND INTEGRATED CIRCUIT TECHNOLOGY (ICSICT) | 2018年

基金：

中国国家自然科学基金;

关键词：

Frequency-modulated continuous-wave (FMCW); radar; mm-wave; phase-locked loop (PLL); fractional-N; BBPD; Vernier TDC;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Millimeter-wasT radars could achieve high detection resolution and have drawn a lot of attention in recent years. Frequency-modulated continuous-wave (FMCW) radar is the most popular one in civil applications due to its low peak power and high integration, where the FMCW signal generator is one crucial block and has significant influence on the radar system performance. In this paper, three kinds of FMCW signal generator are presented, including a charge-pump based analog phase-locked loop (PM, a Bang-Bang phase detector (BBPD) based mixed-mode PLL and a time-to-digital-converter (TDC) based mixed-mode PLL. The advantages and disadvantages of various signal generators are discussed, based on our recent research work. Techniques to support reconfigurable slopes or sawtooth-type chirp waveform and achieve better performance are also reviewed.

引用

页码：774 / 776

页数：3

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