TI IWR6843单片60- 64-GHzmmWave传感器解决方案
TI公司的IWR6843是集成的单片60- 64-GHz mmWave传感器,基于FMCW雷达技术,工作在60-GHz 到 64-GHz波段,采用TI公司的低功耗45nm CMOS工艺制造,非常适合于工业领域的低功耗自监测超精确雷达系统.器件中的FMCW收发器集成了PLL,发送器,接收器,基带和A2D,具有4GHz连续带宽,有四个接收通路,三个发送通路,支持用于TX波束成形的6位相移器,基于分数N PLL的超精确啁啾引擎,发送功率10dBm,接收噪音图14dB,1MHz的相位噪音为–92 dBc/Hz.内置的校准和自测系统采用基于ARM® Cortex®-R4F的无线控制系统,内置的固件(ROM),对频率和温度的自校准系统,用于先进信号处理的C674x DSP,ARM-R4F微控制器用于物体检测和接口控制,支持自主模式,内部存储器具有ECC,主要用在测量范围,速度和角度的工业传感器,建筑物自动化,位移检测,手势,机器人,交通监视,接近和位置检测,安全监控,工厂自动化安全,运动检测,人流统计和占用率检测.本文介绍了IWR6843主要特性,功能框图和时钟子系统,处理器子系统框图以及评估板IWR6843AOPEVM主要特性,框图和天线图,电路图,材料清单和PCB装配图.
The IWR6843 is an integrated single chip mmWave sensor based on FMCW radar technology capable ofoperation in the 60-GHz to 64-GHz band. It is built with TI’s low power 45-nm RFCMOS process andenables unprecedented levels of integration in an extremely small form factor. The IWR6843 is an idealsolution for low power, self-monitored, ultra-accurate radar systems in the industrial space.
IWR6843主要特性:
• FMCW transceiver
– Integrated PLL, transmitter, receiver, Baseband,and A2D
– 60- to 64-GHz coverage with 4-GHz continuousbandwidth
– Four receive channels
– Three transmit channels..
