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Showing posts with label 450-Ω series resistor. Show all posts
Showing posts with label 450-Ω series resistor. Show all posts

12 December 2018

Squeezing More Bandwidth From a 10x Passive Probe

Shown is a comparison of inherent oscilloscope noise and noise at the shorted tip of a 10x passive probe
Figure 1: Shown is a comparison of inherent oscilloscope
noise and noise at the shorted tip of a 10x passive probe
Now that we have a better understanding of what's happening under the hood of a 10x passive oscilloscope probe, we can sum up its key characteristics. The first thing to know about such probes is that they offer relatively low bandwidth (<100 MHz). This is largely a result of the probe's tip inductance.