topic MFRC522 in Model-Based Design Toolbox (MBDT) https://community.nxp.com/t5/Model-Based-Design-Toolbox-MBDT/MFRC522/m-p/897599#M3162 <HTML><HEAD></HEAD><BODY><P>Dear Friends,</P><P></P><P>I am working with MFRC522 in our project. I can't properly design RFID coil antenna for our project. I am try to design a circular antenna. I am attached the pdf which I refer for this.&nbsp;</P><P>I used the reader circuit as same as MFRC522 reader.</P><P>&nbsp;</P><P>Inductance - 2.2 micro henry</P><P>Number of turns I get from the equation in page number 46.&nbsp;</P><P></P><P>I think my problem is can't find the tuning capacitance value of the antenna.</P><P></P><P>With Regards,</P><P>Sunil</P><P>Calixto Systems</P></BODY></HTML> Tue, 16 Apr 2019 07:29:40 GMT sunilc_thomas50 2019-04-16T07:29:40Z MFRC522 https://community.nxp.com/t5/Model-Based-Design-Toolbox-MBDT/MFRC522/m-p/897599#M3162 <HTML><HEAD></HEAD><BODY><P>Dear Friends,</P><P></P><P>I am working with MFRC522 in our project. I can't properly design RFID coil antenna for our project. I am try to design a circular antenna. I am attached the pdf which I refer for this.&nbsp;</P><P>I used the reader circuit as same as MFRC522 reader.</P><P>&nbsp;</P><P>Inductance - 2.2 micro henry</P><P>Number of turns I get from the equation in page number 46.&nbsp;</P><P></P><P>I think my problem is can't find the tuning capacitance value of the antenna.</P><P></P><P>With Regards,</P><P>Sunil</P><P>Calixto Systems</P></BODY></HTML> Tue, 16 Apr 2019 07:29:40 GMT https://community.nxp.com/t5/Model-Based-Design-Toolbox-MBDT/MFRC522/m-p/897599#M3162 sunilc_thomas50 2019-04-16T07:29:40Z