A Compact Multi-mode Integrated Doppler radar at 2.4 GHz for Multipurpose Applications

被引：0

作者：

Gogoi, Pallab Kumar ^{[1
]}

Mandal, Mrinal Kanti ^{[1
]}

Kumar, Ayush ^{[1
]}

Chakravarty, Tapas ^{[2
]}

机构：

[1] Indian Inst Technol Kharagpur, Dept E & ECE, Kharagpur, India

[2] TCS Res & Innovat, Lab Tata Consultancy Serv, Kolkata, India

来源：

2022 IEEE WIRELESS ANTENNA AND MICROWAVE SYMPOSIUM (WAMS 2022) | 2022年

关键词：

continuous-wave radar; Doppler radar; frequency modulated continuous wave (FMCW); microwave circuit; multimode radar; CONTINUOUS-WAVE RADAR;

D O I：

10.1109/WAMS54719.2022.9848033

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：

This paper presents a new architecture of a compact multimode FMCW radar for general purpose shortrange applications. The radar can operate in CW as well as in FMCW modes. The transmitted RF frequency or frequency range can be arbitrarily selected using an inbuilt SPI control over 2.25-2.50 GHz with a frequency resolution of at least 100 kHz. A modified VCO-PLL loop with a stable reference source of 10 MHz improves the frequency stability. Other than the audio signal generator, all modules like RF blocks, base-band block DC power management block, and control and synchronization and data acquisition blocks are integrated into a single module using a three-layer PCB configuration. Fabrication and measurement of the radar unit in both the modes are presented.

引用

页数：4

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