![11. Additional Reference Resources](/images/new-backgrounds/22115/2211571x1.webp)
11. Additional Reference Resources
EN55020 Compliance Test Certificate
AN231: Si4700/01 Headphone and Antenna Interface
AN332: Universal Programming Guide
AN383: Antenna Selection and Universal Layout Guidelines
AN386: Si473x Ferrite Loop Stick Antenna Interface
AN388: Universal Evaluation Board Test Procedure
AN389: Si473x EVB
Si47xx Customer Support Site: http://www.mysilabs.com
This site contains all application notes, evaluation board schematics and layouts, and evaluation software. NDA is required for access. To request access, register at http://www.mysilabs.com and send user’s first and last name, company, NDA reference number, and mysilabs user name to fminfo@silabs.com. Silicon Labs recommends an all lower case user name.
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