搜索 - 科创

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R3271是日本爱德万(advantest)在上世纪90年代推出的一款中高端频谱分析仪，频率范围100Hz-26.5GHz，全频带可连续调谐，实际上最高可以测量到31GHz。

2、Advantest Q8230激光功率计，配380nm-1100nm宽谱nW至50mW。这款功率计分辨率达到了6位有效数字，相当的恐怖。同样可以用衰减片／分光片的方式扩大量程。

为此，我准备了一只Advantest R6551纳伏&微欧表，在Low DC电压测量模式下有10nV的电压分辨率，在High Power电阻测量模式下具有1Ω的量程（实际满量程为1.2Ω）和1uΩ的分辨率

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