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

номер детали ILA02
подробное описание детали  Low Profile and High Efficient 868 MHz ISM Band Loop Antenna
PDF  11 Pages
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производитель  ETC2 [List of Unclassifed Manufacturers]
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ILA02 датащи(HTML) 9 Page - List of Unclassifed Manufacturers

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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.



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