ILA02 datasheet(9/11 Pages) ETC2

9 / 11 page

SPE-12-8-080/B/RC

Page 9 of 11

6.3. Matching circuit

The initial matching circuit is LC1= 8.0 pF, LC2= 0Ω and LC3=open circuit. Unless the matching

circuit might change depending on ground plane size-shape, PCB, enclosure-material proximity

and others. We recommend contacting taoglas for tuning services.

Figure 11. Recommended matching circuit.

6.4. Recommendations

 Route the Co-Planar Waveguide (CPW) with curvy turns.

 Allocate the antenna on the longest side of the board.

 Center the antenna at the edge of the board.

 The antenna must be at the limit of the ground plane on the selected edge.

 Keep the “L” distance maximum 3 times the width of the CPW signal track, from the edge

of the CPW ground to the keep out area of the antenna.

 Keep the matching circuit close to the antenna.

 Keep the “W” distance as the width of that GND pad.

 Keep the antenna 1 mm away from the enclosure.

 The CPW dimensions will change depending on PCB.

 Keep low profile components such as lumped, IC, etc, min 2 mm away from the edge of

the keep out area or antenna, at top and bottom layers.

 Keep high profile components such as batteries, connectors, etc, 5 mm away from the

edge of the keep out area or antenna, at top and bottom layers.

ILA02 데이터시트(PDF) 9 Page - List of Unclassifed Manufacturers