Thank you for your answer. In fact, I first noticed SimpleSA when I found your article. Looking at the dialogue in the article, it seems that you are almost finished?
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In addition, I understand that the signal lines on the RF path should match 50 ¦¸. I wonder if you have noticed that there is a very thick line on the TinySA. Look at this figure, the line width is very wide, which should be the line width calculated by the lamination of the double-layer board. If it is a 4-layer board, the structure of the JLC 7826 should be about 0.34mm
