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| CC3100MOD_15 Datasheet, PDF (29/41 Pages) Texas Instruments – CC3100MOD SimpleLink™ Certified Wi-Fi® Network Processor Internet-of-Things Module Solution for MCU Applications | |||
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CC3100MOD
SWRS161 â DECEMBER 2014
6.3.3 Transmission Line
The RF signal from the device is routed to the antenna using a CPW-G (Coplanar Waveguide with
ground) structure. This structure offers the maximum isolation across filter gap and the best possible
shielding to the RF lines. In addition to the ground on the L1 layer, placing GND vias along the line also
provides additional shielding
Figure 6-3. Coplanar Waveguide (Cross Section) with GND and Via Stitching
S
W
Figure 6-4. CPW with GND (Top View)
Copyright © 2014, Texas Instruments Incorporated
Applications, Implementation, and Layout
29
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