BLE
CCxxxx
WLAN
CC3135MOD
RF
CC_COEX_BLE_IN
RF_ABG
Coex IO
Antenna Selection
SPDT RF Switch
ANT_SEL_1
ANT_SEL_2
Dual Band Ant. 1
Dual Band Ant. 2
BLE Ant.
46
SWRS225B – FEBRUARY 2019 – REVISED MARCH 2020
Product Folder Links:
Applications, Implementation, and Layout
Copyright © 2019–2020, Texas Instruments Incorporated
(3)
The recommended Antenna switch is the Richwave RTC6608OSP.
shows the antenna selection implementation for Wi-Fi, with BLE operating on it's own antenna.
Note in this implementation, only a single GPIO from the BLE device to the CC3135MOD device is
required. The Antenna switch
(3)
is controlled by 2 GPIO lines from the CC3135MOD device.
lists which GPIOs can be used for Antenna Selection.
Figure 7-2. Coexistence Solution with Wi-Fi Antenna Selection and dedicated BLE antenna