AN928.2: EFR32 Series 2 Layout Design Guide
The purpose of this application note is to help users design PCBs for the EFR32 Series2 Wireless Gecko Portfolio using design practices that allow for good RF performance.
The matching principles are described in the application note, AN930.2: EFR32 Series2 2.4 GHz Matching Guide. The MCU-related subjects are detailed in the following application notes: AN0918.2: Series 1 to Wireless Gecko Series 2 Compatibility and Migration Guide, and AN0955: CRYPTO.
The Silicon Labs MCU and Wireless Starter Kits and Simplicity Studio provide a power-ful development and debug environment. To take advantage of the capabilities and features on custom hardware, Silicon Labs recommends including debugging and programming interface connector(s) in custom hardware designs. The details and benefits of including these connector interfaces are detailed in AN958: Debugging and Programming Interfaces for Custom Designs.
The power supply configurations of EFR32 Series 2 are described in AN0002.2: EFR32 Wireless Gecko Series 2 Hardware Design Considerations. The RF performance strongly depends on the PCB layout, as well as the design of the matching networks.For optimal performance, Silicon Labs recommends using the PCB layout design guidelines described in the following sections.
KEY POINTS:
• Provides a reference schematic and PCB layout.
•Lists and describes all main design principles.
• Provides a summary checklist of all design principles.
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