Test Happens.
31 January 2022
Transmission Lines for Oscilloscope Users, Part 2
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Figure 1: A transmission line can be seen as a series of "buckets" of capacitance charged to a voltage by the signal as it "w...
24 January 2022
Transmission Lines for Oscilloscope Users, Part 1
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Figure 1: The rise time of the Cal signal seems to increase significantly by increasing the length of the interconnect cable. Is it true? Cl...
17 January 2022
9 Quick Fixes to Improve DDR Probing
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Figure 1: Reversed Handsfree mounts and chip clips help relieve strain on fragile solders. Probing at DRAM pins as required by JEDEC can be ...
10 January 2022
Oscilloscope Basics: Stabilizing Waveform Display, Pt. 2
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Figure 1: A 50 kHz low-pass filter eliminates a 93 kHz interfering signal from a 10 kHz signal (top two grids) and a 50 kHz high-pass filter...
04 January 2022
Oscilloscope Basics: Stabilizing Waveform Display, Pt. 1
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Figure 1: A free running oscilloscope starts each acquisition at a different point on the waveform, resulting in an unstable display. A tri...
13 December 2021
USB4 Alt-Mode Testing: DPAUX and USB-PD
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Figure 1: The interfaces that make up the USB-C connector and their relationships. The USB Type-C ® (USB-C) connector supports not only USB...
06 December 2021
Testing DisplayPort 2.0 vs. USB4 Over USB Type-C Connectors
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Figure 1: The pin out of the USB Type-C connector. DisplayPort™ 2.0 (DP 2.0) is a high-resolution video interface and USB4® is a high-speed ...
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