之前是使用CC2640晶片,且用雙層版,是沒有甚麼問題的,
前陣子使用CC2642R製作,並搭配的是"四層板",卻出現了沒辦法掃描到藍芽訊號的問題。
想知道在lay四層板的時候,RF部分需要注意些甚麼問題嗎?
或是TI是否有推薦的四層板RF layout 和參考設計。
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