RF Design Considerations

RF Design Considerations

Software size:10M
Support platform:Windows/Linux/Unlix
Release time:2017-03-11 21:49:12

RF hardware design is complex and oftentimes a challenge for embedded designers. For instance, parasitic effects that are not typically a concern in low frequency applications can have a major impact on radio frequency performance as you move into higher frequency ranges. Different wireless hardware designs also require special certification requirements and designing and testing wireless hardware takes a special set of skills and equipment. These are only a few factors that must be considered. This white paper explores some of the key components of RF design and their implications on system performance. Topics include a review of RF and the characteristics engineers should be aware of, basic components and potential parasitic effects, PCB design characteristics including impedance matching, transmission line, and antenna selection and placement, and DFX considerations.


This document is writen by Andrew Chen, Laird. Please download to read in full details.


In RF designs, there are many factors that must be taken into consideration in order for the design to be successful. While it can be challenging, following best practices and understanding key components and their implications on system performance can help you create a successful design. Always consider impedance matching. Dielectric materials and board thickness can be used to optimize the RF trace width, reducing junction effects while maintaining the characteristic impedance requirement. Strong impedance matching prevents reflections that cause issues with emissions and test accuracy.

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