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STM32WB1MMC external antenna design support and calculation solution

jvcmani
Visitor

I have previously worked on a BLE-based application that required an external antenna. Based on the use case, I selected the STM32WB1MMC module, which, according to its datasheet, supports external antenna connections. I designed the schematic accordingly and initially conducted tests using the internal antenna. After validating the basic functionality, I transitioned to testing with the external antenna as per the actual use case requirements. I obtained this information from "

External antenna interface is only verified for conducted testing. Device has been verified and tested with internal antenna."

jvcmani_0-1756786632274.png

 

Based on the information provided in the datasheet, can we proceed with using the module's external SMA antenna connection? Do I need to perform any calculations for a Pi matching circuit or conduct further fine-tuning? Additionally, could you suggest any reference designs or recommended external antenna configurations suitable for this module?"

 

 

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