Texas Instruments IWR6843L EVM, Руководство пользователя, Страница: 6 / 16

3 PCB Storage and Handling Recommendations
This EVM contains components that can potentially be damaged by electrostatic discharge. Always transport
and store the EVM in its supplied ESD bag when not in use. Handle using an antistatic wristband. Operate on an
antistatic work surface. For more information on proper handling, see
Electrostatic Discharge (ESD) .
3.1 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 environment. This oxidation causes the surface around the antenna region to blacken however
mmWave Radar performance would be intact. 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.
3.2 Higher Power Demanding Applications
For higher power applications, which single USB-port cannot supply, for example simultaneous 3 Tx operation
MMWAVEICBOOST board could be used which has external power adapter to power the entire board.
4 IWR6843LEVM Antenna
The IWR6843LEVM includes four receivers and three transmitters FR4 based antennas on the PCB. Figure 4-1
shows the Antenna configuration.
Figure 4-1. TX and Rx Antennas of the EVM
PCB Storage and Handling Recommendations www.ti.com
6 IWR6843L EVM SWRU585 – NOVEMBER 2021
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