https://devzone.nordicsemi.com/f/nordic-q-a/47449/what-is-the-board-thickness-for-nrf52832_qfaa-reference-designI am working on matching an antenna to the nrf52832 QFN package. I am looking at the reference design, which has a 30 mil wide trace. I believe that is supposed to be 50 ohms. However, when I look at the design files in Altium (nrf52832_qfaa), it saysen-USTelligent Community 13Tue, 21 May 2019 09:30:23 GMThttps://devzone.nordicsemi.com/thread/188174?ContentTypeID=1Tue, 21 May 2019 09:30:23 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e9e9177b-2324-4c49-a653-b730fa504940Jared<p>Hi,</p> <p>We use coplanar waveguides as transmission lines. For coplanar waveguides 50 ohm tracks are 0.72 mm(30 mil) wide on a <strong>1.6 mm FR4 Board</strong>.</p> <p>Best regards</p> <p>Jared&nbsp;</p><div style="clear:both;"></div>