Test Happens.
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 ...
29 November 2021
DisplayPort 2.0 Physical Layer Testing
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Figure 1. Functional diagram of DisplayPort 2.0 over USB-C Source (Tx) PHY testing. The Video Electronics Standards Association (VESA) Displ...
22 November 2021
What Is Differential Manchester Encoding?
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Figure 1. Differential Manchester encoding is based on the presence or absence of a transition, whereas Manchester encoding relies on the p...
15 November 2021
Using Tracks to Demodulate Frequency/Phase Modulated Signals
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Figure 1: A low-pass filtered track of the Frequency measurement demodulates the linear frequency sweep in a radar chirp. The frequency doma...
08 November 2021
Finding “Unknown” Waveform Anomalies
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Figure 1: Width “exclusion” trigger captures pulse widths outside the range of 980 ns to 1 µs. The first anomaly captured is a width of 2.99...
01 November 2021
Finding Intermittent Events
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Figure 1: Statistics for 1261 Width measurements taken over 97 acquisitions on the Measure table. Width statistics can help determine the se...
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