This post is older than 2 years and might not be relevant anymore
More Info: Consider searching for newer posts

How to improve the antenna signal

We have connected a 50 Ohm Antenna with NRF52832-QFAA-R7, but we tested and found the antenna signal is weak. Could anyone help to provide some proposals for how to improve it? Thanks in advance.

Top Replies

Andreas over 5 years ago +2

Hi, The main suspect is the antenna, even if the datasheet and manufacturer claims 50 ohm, this is usually only the case for the evaluation board which the matching components(MC8, ML7 and MC12) are…
cbd over 5 years ago +1

There's not much information to go on e.g. what chip antenna are you using? First questions that come to mind are: Is the chip antenna correct for the frequency? Is the chip antenna placement and…
cbd over 5 years ago in reply to Andreas +1

All typical issues. +1 Andreas Even using the same layout may trip you up if the reference board is 1.6mm two layer and you're using 0.8mm 4 layer! As Andreas points out you have a signal line passing…

Parents

0 awneil over 5 years ago

Jet Hua said:
we tested and found the antenna signal is weak

How, exactly, did you "test" ?

What results did you get?

What were you expecting?

https://devzone.nordicsemi.com/f/nordic-q-a/48284/nrf52832-wlcsp-ciaa-rf-do-not-work/191537#191537

https://devzone.nordicsemi.com/f/nordic-q-a/48816/regarding-the-schematics-of-the-nrf52/193876#193876
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel

Reply

0 awneil over 5 years ago

Jet Hua said:
we tested and found the antenna signal is weak

How, exactly, did you "test" ?

What results did you get?

What were you expecting?

https://devzone.nordicsemi.com/f/nordic-q-a/48284/nrf52832-wlcsp-ciaa-rf-do-not-work/191537#191537

https://devzone.nordicsemi.com/f/nordic-q-a/48816/regarding-the-schematics-of-the-nrf52/193876#193876
Cancel
Vote Up 0 Vote Down

Sign in to reply

Verify Answer

Cancel

Children

No Data