Test Happens.
14 December 2020
Removing Reflections from DDR Signals Probed Mid-Bus
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Figure 1. Virtual probing methods like VP@Rcvr can help remove reflections from signals probed mid-bus. Probing DDR signals can present some...
07 December 2020
Isolating DDR Read and Write Operations
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Figure 1. DDR DQ and DQS signals are in phase during a Read operation and out of phase during a Write operation. Whether you are debugging o...
30 November 2020
Oscilloscope Basics: Multiplexed Front Panel Controls
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Fig. 1. Modern, slim front panel. Most Teledyne LeCroy oscilloscopes are equipped with traditional front panel controls—knobs and buttons—th...
09 November 2020
Fundamentals of Power Integrity: Mutual Aggressors and Rail Transient Response Measurement
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Fig 1. Rail droop in response to a load step is a typical case of mutual aggressors in a PDN. A third type of noise found in PDNs is what we...
02 November 2020
Your Ground Bounce Questions Answered
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Figure 1. Line set to "quiet low" shows ground bounce occurring as I/O driver switches. During an October 2020 webinar, Don’t Let ...
19 October 2020
Which Virtual Probing Method to Use?
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Virtual probing lets you "probe" where a probe can't reach, or compensate signals by deembedding or simulating devices and c...
21 September 2020
Fundamentals of Power Integrity: Board Pollution
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Figure 1. "Pollution" occurring on PDN traces. Board pollution is noise occurring on the packages and interconnects (traces and...
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