Test Happens.
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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10 October 2018
Putting Probes in Perspective
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Figure 1: Probe, cable, and oscilloscope form a system that makes or breaks the accuracy of signal acquisitions Few aspects of using an...
13 September 2018
Decision Feedback Equalization
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Figure 1: DFE filter output is based on a linear combination of previous bit decisions In debugging high-speed serial links , one must b...
30 August 2018
The Causes of Ground Bounce and How To Avoid It
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Figure 1: This cross section of a 100-MHz microstrip transmission line shows us how a return path should look We've been discussing...
29 August 2018
A Walk-Through of Ground-Bounce Measurements
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Figure 1: The trigger pulse from the MCU is one clock cycle in width In earlier posts in this series, we've explained what ground b...
16 August 2018
More on Quiet-Low I/O Drivers and Ground Bounce
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Figure 1: To configure an I/O driver as a quiet-low line, its output is connected directly to Vss on the die Ground bounce can plague...
07 August 2018
About Ground Bounce and How to Measure It
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Figure 1: Shown are five I/O drivers within a package driving signal lines on a PC board Designing and/or troubleshooting a system wit...
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