2.4G-Chip-Antenna-EVB

The tuned PI value:

AN2051 => LC3 = 0.5pF, LC1 = 5.6nH, LC2 = DNP

AN9520 => LC3 = 1pF, LC1 = 2.2nH, LC2 = DNP

Return Loss S parameters - AN2051:

EVB image:

This PCB design evluate the chip antenna from:

http://www.image.micros.com.pl/_dane_techniczne_auto/rf%20an2051-245.pdf