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6
PCB Storage and Handling Recommendations
The immersion silver finish of the PCB provides a better high-frequency performance, but is also prone to
oxidation in open environments. This oxidation causes the surface around the antenna region to blacken.
To avoid oxidation, the PCB should be stored in an ESD cover and kept at a controlled room temperature
with low humidity conditions. All ESD precautions must be taken while using and handling the EVM.
7
Troubleshooting
EVM Board Power-up Failure
See
Section 2.2
for desired power connections. Please ensure NRST and PWR LEDs glow brightly. When
a nonfunctional or insufficient current capacity power supply is used with the EVM, the EVM LEDs will not
turn on. See
Section 2.8.3
8
References
DCA1000EVM Data Capture Card User's Guide
SPRUIM4B – December 2018 – Revised May 2020
Submit Documentation Feedback
Figure 23. Vertical Assembly of the EVM
for LED information.
xWR1843 Evaluation Module (xWR1843BOOST) Single-Chip mmWave
Copyright © 2018–2020, Texas Instruments Incorporated
PCB Storage and Handling Recommendations
Sensing Solution
19
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