ST25R3911B recommended antenna circuit

[dbrown]

Posted on May 01, 2017 at 20:58

The ST25R3911B datasheet, page 14 Figure 3, shows a minimum configuration of antenna connection components. However, no suggested values are given for the 2 inductors, 7 capacitors, and 1 resistor. Are recommended component values - and perhaps a recommended PCB layout - available?

[Ulysses HERNIOSUS]

Posted on December 14, 2017 at 16:40

Hi Dan,

please have a look at

www.st.com/resource/en/application_note/dm00347152.pdf

which should answer your questions.

BR, Ulrich