NimbleSig 3 External Reference Injection
                                                                                                                   
de VA7TA

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    Photo 1 (below) provides an overview of how an external DDS reference can be
injected.

NS3_ExtRefInjection_PCB Overview

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Photo 2 (below) provides a close up view of the external reference signal injection
point.

CloseUp view of the External Reference Injection
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