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Bluetooth RF test system
1. Overview
In the mass production of TWS Bluetooth earphone, in order to ensure that the product will not be interfered by other products, and prove that the product is resistant to the existing RF environment, we have developed the Bluetooth RF test system. In addition, RF testing can contribute to assess the radiation emitted by the product, which must also be within acceptable limits for regulatory compliance. This article will make the corresponding application test introduction for the Bluetooth RF test system.
Bluetooth RF items mainly include Output Power, Initial Carrier Tolerance, and Sensitivity.
2. System Configuration
3. Bluetooth earphone RF test process
The Bluetooth comprehensive tester will connect product after the Bluetooth earphone enters the DUT mode.
RF Tester generates a data packet to the product.
The product transmits the data packet to the coupling board.
The coupling board transmits the data packet back to the Bluetooth comprehensive tester for data analysis.
The analysis results are read by the software and displayed in the interface.