Test Happens.
30 January 2019
Getting From the Time Domain to the Frequency Domain
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Figure 1: A fundamental underlying assumption of a discrete Fourier transform is a repetitive waveform Fundamentally, oscilloscopes a...
19 December 2018
Using 50-Ohm Coax From DUT to Oscilloscope
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Figure 1: A coaxial cable presents high impedance at low frequencies but acts as a transmission line at higher frequencies In our recen...
12 December 2018
Squeezing More Bandwidth From a 10x Passive Probe
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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 b...
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28 November 2018
10x Passive Probes and Cable Reflections
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Figure 1: With unequal impedances at either end of the coax, are cable reflections a concern in 10x passive probes? We've been disc...
08 November 2018
How Tip Inductance Impacts a Probing System's Bandwidth
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Figure 1: Shown are FFT plots of a 10-MHz, fast-edge square wave reaching the oscilloscope via direct coax connection (orange-yellow plo...
01 November 2018
How Equalization Works in 10x Passive Probes
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Figure 1: The adjustable equalization circuit on the oscilloscope end of the coaxial cable compensates for the 10x passive probe's i...
24 October 2018
Secrets of the 10x Passive Probe
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Figure 1: The 10x passive probe becomes a better measurement tool when we understand its limitations We began this series of posts on...
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