78ST100 User Manual v1 Confidential & Proprietary Information
8545-0194-01 v1.0
6.3. BLUETOOTH ANTENNA TUNING
1. The Bluetooth antenna may not need tuning (it will depend if the Bluetooth range is acceptable as is), but the process is
the same as tuning the GPS/Satellite antenna, with the exception the frequency markers in the VNA will be changed to
2.402GHz, 2.44GHz, and 2.48GHz.
2. The matching components for the Bluetooth antenna are located in the area shown below.
THIS IS THE AREA WHERE THE
BLUETOOTH ANTENNA MATCHING
COMPONENTS ARE LOCATED.
RESISTOR R3 MUST HAVE A 0 OHM,
0402 RESISTOR IF THE BLUETOOTH U.FL
CONNECTOR IS USED.
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