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LMX2595: 关于ramp模式下VCO校准带来的毛刺

Part Number: LMX2595

想请问一下数据手册中所说的 glitches in the middle of the ramp because of VCO calibrations 会不会对FMCW波的实际应用产生影响呢?谢谢! 有何减少毛刺的措施吗?谢谢!

  • 您好,如果扫频范围在100Mhz左右 ,LMXxx支持线性扫频,所以可能对FMCW的影响不是很大,但是如果扫频范围比较大,需要VCO校准,那么校准的时间比较长,所以波形会呈现阶梯状,所以自动扫频就不太适合FMCW的应用呢。