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

Ceramic antenna and touch switch placement

Hello.

We are currently developing PCB design of smartwatch with RF Nordic nRF24 chip, Johanson small ceramic antenna (P/N 2450AT42B100), and capacitive Touch Switch (AT42Q1012). PCB size is very small: 17x38mm. In PCB one side is placed LCD and Touch Switch pin and on the other side all electronic components and Li-ion Polymer battery. I think that the antenna can affect the switch and inadvertently turn on/off the system.

Here are various options for antenna placement on the PCB. I have no experience with RF.

The question is where to place the antenna so as not to get a random system on/off. 

Thanks.

Evgeni

Parents Reply Children
No Data
Related