[hpsdr] Odyssey 3rd Overtone XTAL Clock source

[Ron Skelton]

At 05:07 PM 9/20/2007, Ron Skelton wrote:  OOOPS I did it again so 
sorry, it was a Senior moment !



>For my personal education I am building the core QSD/QSE functions 
>of Odyssey on a PCB that I am currently populating with SMT devices. 
>The schematic shows L and C in series connected to the crystal. with 
>values to be determined. I wasn't clear what these components were 
>there for or what values would be required in my application. The 
>answer to these questions is to be found in the Analog Devices 
>Engineer to Engineer note EE-168.   I recommend this document to 
>anyone interested in, or having difficulty with, 3rd Overtone XTAL 
>clock sources as the information is not quite what you might expect.
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