SPE-15-8-040/B/WY

Page 14 of 20

5.5 Matching Circuit

Like all antennas, surrounding components, enclosures, and changes to the GND

plane dimensions can alter performance. A pi-matching network like the one shown

below is required in case adjustments need to be made. The antenna evaluation board

(EVB) has a similar matching network. The components on the EVB are a good

starting point for a new design, but will need to be adjusted upon integration to as

close as possible to 50 Ohm impedance for best performance. The zero ohm resistor

is needed for the ability to solder down a coax pigtail to make measurements with a

vector network analyzer. Contact your regional Taoglas sales office for support.