This document presents a detailed debugging report for the Bluetooth antenna integrated within the HOLYIOT-23043-V1.2 device. The report encompasses various aspects of the antenna's performance, including its physical characteristics, return loss measurements, and radiation patterns across the 2.4 GHz frequency band. The primary objective of this report is to provide a comprehensive overview of the antenna's behavior and to serve as a reference for subsequent production runs.
The report begins with a version description, outlining the specific version of the antenna and the date of the report's creation. It then proceeds to showcase a physical picture of the antenna, providing a visual representation of its design and integration within the device. The core of the report focuses on the passive tuning attempts, detailing the efforts made to optimize the antenna's performance. This section includes return loss measurements, which are crucial for assessing the antenna's impedance matching and overall efficiency.
Furthermore, the report presents a series of direction diagrams, illustrating the antenna's radiation patterns at various frequencies. These diagrams provide valuable insights into the antenna's ability to transmit and receive signals in different directions. Finally, the report concludes with a summary of the findings and recommendations for ensuring consistency in future production runs. It emphasizes the importance of maintaining consistency between the software and hardware components to guarantee optimal antenna performance.