ESP8266 Community Forum

[RichardS]

- Sun Apr 26, 2020 11:31 am #86764 Please see attached, I have questions....

My design has ground plane both sides, 2 layer, 0.8mm 1oz copper FR4 PCB.

This antenna I used is from an APP note from TI, they do not state the PCB thickness etc... 2 layer? 4 layer??
http://www.ti.com/lit/an/swra117d/swra117d.pdf

1. The 2 capacitors and 1 inductor should they be closer to the antenna or the uC?
2. the trace width and space width of the RF feed line??
3. RF feed line has ground under it??
4. should the ground point on the antenna be a solid connection, or a point connection like a trace to ground plane?
5. anything I missed?

Any help is appreciated! Thanks!

RichardS

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[RichardS]

- Sun Apr 26, 2020 12:52 pm #86768 So I now have verified that it is a 4 layer reference design.

top layer to next layer which is ground plane is 0.25mm, and in my case its 0.8mm....

hmmm

RichardS

Surplus parts
https://epartsconnect.com

Live realtime stock market prediction website. https://www.stocksignalslive.com my latest creation. Uses AI and machine learning.

New site featuring ESP8266 and ESP32 projects. tutorials, and news.
http://EverythingESP.com

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The Mind Factory (get more from your 3D printer)

Home of the ESP8266, ESP8285, and ESP32 microcontrollers....