topic Very special antenna design in NFC https://community.nxp.com/t5/NFC/Very-special-antenna-design/m-p/870657#M4981 <HTML><HEAD></HEAD><BODY><P>My task is to design a antenna to read a mifare tag.</P><P></P><P>I try to describe the application:</P><P></P><P>Imagine a credit card shaped tag, but way smaller (25mm long, 11mm high, 3mm thick). This tag travels trough a tube with 15mm ID. This limits the turn of the card to the Z-Axis. So seen from a 0 degree point, the card can have any particular degree of turn from 0-359 degree.</P><P>At the postion of the reader, the card will be stopped, but cannot brought to a defined angle.</P><P></P><P>The reader antenna must be placed around the tube and has to be able to read the tag in any particular angle of Z.</P><P></P><P>Which antenna type/shape would be reccomended for this application? Maybe someone here knows about a similar application design.</P><P>Any help is appreciated</P></BODY></HTML> Mon, 18 Feb 2019 08:40:53 GMT jof 2019-02-18T08:40:53Z Very special antenna design https://community.nxp.com/t5/NFC/Very-special-antenna-design/m-p/870657#M4981 <HTML><HEAD></HEAD><BODY><P>My task is to design a antenna to read a mifare tag.</P><P></P><P>I try to describe the application:</P><P></P><P>Imagine a credit card shaped tag, but way smaller (25mm long, 11mm high, 3mm thick). This tag travels trough a tube with 15mm ID. This limits the turn of the card to the Z-Axis. So seen from a 0 degree point, the card can have any particular degree of turn from 0-359 degree.</P><P>At the postion of the reader, the card will be stopped, but cannot brought to a defined angle.</P><P></P><P>The reader antenna must be placed around the tube and has to be able to read the tag in any particular angle of Z.</P><P></P><P>Which antenna type/shape would be reccomended for this application? Maybe someone here knows about a similar application design.</P><P>Any help is appreciated</P></BODY></HTML> Mon, 18 Feb 2019 08:40:53 GMT https://community.nxp.com/t5/NFC/Very-special-antenna-design/m-p/870657#M4981 jof 2019-02-18T08:40:53Z Re: Very special antenna design https://community.nxp.com/t5/NFC/Very-special-antenna-design/m-p/870658#M4982 <HTML><HEAD></HEAD><BODY><P>which chip are you using?</P></BODY></HTML> Fri, 22 Feb 2019 06:10:52 GMT https://community.nxp.com/t5/NFC/Very-special-antenna-design/m-p/870658#M4982 jimmychan 2019-02-22T06:10:52Z Re: Very special antenna design https://community.nxp.com/t5/NFC/Very-special-antenna-design/m-p/870659#M4983 <HTML><HEAD></HEAD><BODY><P>I'm using the CLRC663</P></BODY></HTML> Thu, 07 Mar 2019 08:58:55 GMT https://community.nxp.com/t5/NFC/Very-special-antenna-design/m-p/870659#M4983 jof 2019-03-07T08:58:55Z