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CC3130 Folha de dados(PDF) 54 Page - Texas Instruments |
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CC3130 Folha de dados(HTML) 54 Page - Texas Instruments |
54 / 75 page Figure 10-4 shows the antenna selection implementation for Wi-Fi, with BLE operating on it's own antenna. Note in this implementation no Coex switch is required and only a single GPIO from the BLE device to the CC3130 device is required. The antenna switch is controlled by 2 GPIO lines from the CC3130 device. BLE CCxxxx WLAN CC3130 RF 2.4-GHz BPF CC_COEX_BLE_IN RF_BG CC_COEX_SW_OUT Coex IO Antenna Selection SPDT RF Switch BLE Ant. 2.4-GHz Wi-Fi Ant. 2.4-GHz Wi-Fi Ant. Output GPIOs Figure 10-4. Coexistence Solution With Wi-Fi Antenna Selection and Dedicated BLE Antenna 10.1.3 Typical Application Figure 10-5 shows the schematic of the engine area for the CC3130 device in the wide-voltage mode of operation, and the optional RF implementations with BLE/2.4GHz coexistence. The corresponding Bill-of- Materials show in Table 10-1. For a full operation reference design, see the CC3235x SimpleLink™ and Internet of Things Hardware Design Files. Note The Following guidelines are recommended for implementation of the RF design: • Ensure an RF path is designed with an impedance of 50 Ω • Tuning of the antenna impedance π matching network is recommended after manufacturing of the PCB to account for PCB parasitics • π or L matching and tuning may be required between cascaded passive components on the RF path CC3130 SWRS227 – MARCH 2020 www.ti.com 54 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated |
Nº de peça semelhante - CC3130 |
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Descrição semelhante - CC3130 |
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