[hpsdr] heat sink for u58

[Joe Martin K5SO]

…excuse the typo please, the ADC is an LTC2208, of course. 

Joe K5SO

On Nov 3, 2012, at 7:13 PM, Joe Martin K5SO wrote:

> ***** High Performance Software Defined Radio Discussion List *****
> 
> John, 
> 
> FYI, I've been using a pre-production version of Hermes since December without any heat sink at all, with no problems whatsoever.  As has been the case with Mercury since the beginning and has been the subject of much discussion on this reflector, the LT2208 on Hermes runs quite warm too.  As was concluded earlier for Mercury, this thermal operating characteristic for the ADC is apparently within the specs for the device.  
> 
> Some people put heat sinks on their Mercury ADCs anyway but I have not and I have been running four of them with no trouble from any of them.  I do not plan to put a heatsink on my Hermes either, as it does not appear to be necessary.  
> 
> 73,  Joe K5SO
> 
> On Nov 3, 2012, at 5:53 PM, John Marvin wrote:
> 
>> ***** High Performance Software Defined Radio Discussion List *****
>> 
>> Under what circumstances do we need a heat sink on the ADC? Should I not even be operating my Hermes without a heatsink?
>> 
>> Thanks,
>> 
>> John
>> AC0ZG
> 
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