Question:
为何TDS2000/TDS1000要限制带宽？它的取様率是2.0GS/s，在Nyquest的原理下，示波器应该有1 GHz的带寛．
Answer:
1) 示波器用的是过采样技术，所有信号不全是正弦波
2) 示波器模拟前端的带宽限制在200MHz
This FAQ Applies to:
Product: TDS1002, TDS1012, TDS2002, TDS2012, TDS2014, TDS2022, TDS2024, TDS1001, TDS2004
FAQ ID : 65506
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