caculate the match capacitance for a given antenna

here is a reader'antenna, it is a LC circuit, so we have the formula:


so, for 2.5mH antenna, the match capacitance is : 648pF.
for 1mH, the match capacitance is : 1.62nF
for 680uH, the match capacitance is：2.38nF
...

--------
gezhi electronic
www.xfpga.com or ebay shop
email: xfpga@hotmail.com
qq:1074079485
tel: +86-13113330725
Michael