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请问板子上这部分是什么作用呢?
请问这是板子上哪个unit?
IWR1843开发板正面黑色框这部分
我需要联系国外工程师确认一下。
请看国外工程师的回复
That is a coupon structure for measuring the etching tolerance of the antenna structures for evaluating the manufacturer capabilities.
You can read some more about it in the below app note or if you search 'coupon' on this forum you can find some additional threads about it.
https://www.ti.com/lit/an/spracg5/spracg5.pdf
如果没有其他问题，我会暂时将此贴关闭，麻烦点击确认答案。
请问板子上这部分是什么作用呢?
IWR1843开发板正面黑色框这部分
