Test Happens.
29 June 2020
Probe Safety Demystified: CAT Ratings
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Figure 1. CAT ratings required to safely test different electrical sources. (Sourced from “Measurement Categories,” Wikipedia, Oct. 28, 2019...
22 June 2020
Build Your Own Low-Cost Power Rail Probe
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Figure 1: The source series termination method is a low-cost alternative for probing low-impedance, fast-switching sources. In an earlier po...
15 June 2020
What Every Oscilloscope User Needs to Know About Transmission Lines
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Eric Bogatin, Signal Integrity Evangelist, Teledyne LeCroy Figure 1. Measured voltage at the oscilloscope from a fast edge, low impedance DU...
1 comment:
08 June 2020
Charting High-Resolution Oscilloscope Performance
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Eric Bogatin, Signal Integrity Evangelist, Teledyne LeCroy Figure 1. 8-bit vs. 12-bit oscilloscope waveforms. There are hundreds of differen...
01 June 2020
USB4 Electrical Testing: Where Are We?
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Preliminary drafts of the USB4 Compliance Test Specifications (CTS) were released to USB-IF work group members in early 2020 covering the el...
27 May 2020
Reading S-parameters: Sharp Dips
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Figure 1. A resonant cavity composed of two interior layers on a four-layer printed circuit board. The return current from the signal p...
2 comments:
18 May 2020
Reading S-parameters: Broad Dips
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Figure 1. Quarter wave stubs exhibit resonance which impacts S21 as broad dips. The resonant frequency can be computed based on the cha...
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