https://community.nxp.com/t5/NXP-Designs/PN7160-antenna-matching/m-p/1539303#M1000 <P>Hi,</P><P><A href="https://www.nxp.com/docs/en/application-note/AN13219.pdf" target="_blank">https://www.nxp.com/docs/en/application-note/AN13219.pdf</A></P><P>The app note describes the default configuration for reader mode in chapter 4.4.1, figure 16 like this</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="vestin_2-1666092528367.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/197081i850E8D3398A34FC2/image-size/medium?v=v2&amp;px=400" role="button" title="vestin_2-1666092528367.png" alt="vestin_2-1666092528367.png" /></span></P><P>But on the evaluation board, chapter 4.1, figure 2</P><P><A href="https://www.nxp.com/docs/en/user-manual/UM11496.pdf" target="_blank">https://www.nxp.com/docs/en/user-manual/UM11496.pdf</A></P><P>It has swapped places of RXP and RXN</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="vestin_3-1666092676654.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/197082i3CE0BD5340BBA9B0/image-size/medium?v=v2&amp;px=400" role="button" title="vestin_3-1666092676654.png" alt="vestin_3-1666092676654.png" /></span></P><P>I'm assuming that figure 2 is wrong here. Has somebody else thought about it?</P><P>&nbsp;</P> Tue, 18 Oct 2022 12:19:23 GMT vestin 2022-10-18T12:19:23Z https://community.nxp.com/t5/NXP-Designs/PN7160-antenna-matching/m-p/1539303#M1000 <P>Hi,</P><P><A href="https://www.nxp.com/docs/en/application-note/AN13219.pdf" target="_blank">https://www.nxp.com/docs/en/application-note/AN13219.pdf</A></P><P>The app note describes the default configuration for reader mode in chapter 4.4.1, figure 16 like this</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="vestin_2-1666092528367.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/197081i850E8D3398A34FC2/image-size/medium?v=v2&amp;px=400" role="button" title="vestin_2-1666092528367.png" alt="vestin_2-1666092528367.png" /></span></P><P>But on the evaluation board, chapter 4.1, figure 2</P><P><A href="https://www.nxp.com/docs/en/user-manual/UM11496.pdf" target="_blank">https://www.nxp.com/docs/en/user-manual/UM11496.pdf</A></P><P>It has swapped places of RXP and RXN</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="vestin_3-1666092676654.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/197082i3CE0BD5340BBA9B0/image-size/medium?v=v2&amp;px=400" role="button" title="vestin_3-1666092676654.png" alt="vestin_3-1666092676654.png" /></span></P><P>I'm assuming that figure 2 is wrong here. Has somebody else thought about it?</P><P>&nbsp;</P> Tue, 18 Oct 2022 12:19:23 GMT https://community.nxp.com/t5/NXP-Designs/PN7160-antenna-matching/m-p/1539303#M1000 vestin 2022-10-18T12:19:23Z https://community.nxp.com/t5/NXP-Designs/PN7160-antenna-matching/m-p/1618220#M1038 <P>Dear Vestin,&nbsp;</P> <P>As the TX and RX are "symmetrical" pins. Thus it does not matter if you connect <STRONG>TX1+RXN </STRONG>&amp;<STRONG> TX2+RXP</STRONG> or <STRONG>TX1+RXP </STRONG>&amp;<STRONG> TX2+RXN.&nbsp;</STRONG></P> <P>But I agree it should be consistent in our documentation. We will update it in the next release.&nbsp;</P> <P>Many thanks for your input!</P> <P>Best Regards</P> <P>Tomas&nbsp;</P> Mon, 20 Mar 2023 07:48:10 GMT https://community.nxp.com/t5/NXP-Designs/PN7160-antenna-matching/m-p/1618220#M1038 Tomas_Parizek 2023-03-20T07:48:10Z