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Skooby

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Posts posted by Skooby

  1. Not sure which version of board do you have.  I have a set of un-used, un-populated, on-board heat sinks rev. 0.61 amp boards (two) and rev. 0.9 power board.  Bought as a spare set for your type of case (so sorry to hear), but the first set worked out fine for me.  I have no plan to use this set at all.  PM me if you want to rebuild and we can arrange something out (minimal to your favor). 

    (Seeing that you're in Norway ad I'm in the U.S., not sure the shipping cost will kill the whole purpose)       

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  2. May be a help to someone...I once bought a Tek 2213A at a local swap meet but  got no power.  Took to this gentleman:

    Scott Howell ([email protected])
    MobileTek 
    7456 Eton Ave 
    Canoga Park, CA 91303-1408 
    Tel: 818 346-6673 
    Fax: 866 872-8648 

    He used to work for Tektronix so he's knowledgeable on Tek.  He re-capped and re-calibrated my scope.  Worked great ever since!

    Highly recommended to repair or service Tek.  I did this in 2014, not sure if he's still doing it; he's a retiree.    

     

  3. 55C sounds about right (forgot what was my bias).  My Dynahi runs at about the same temp after 30 min (measured via an IR-based meter, a few degs off here and there is not a big deal).  Have you checked with Steve about where he got his tranny shieldings?  I run with Anteks and they seem to shield adequately.  Single-box saves quite a bit of space; if run two boxes, do consider umbilical resistance.     

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  4. Well, if you can get the heat sinks to transfer some heat to the chassis (shimming extra metals on top the sink so it can get touch the chassis top), doubt that the heat in the channels would be a problem.  My Mini's temp is about 32C with help from the chassis to dissipate the heat; without the chassis help, it was well above 50C.  I didn't do any hole into my sinks.

    I see you didn't attempt QFN solderings with your new re-flow gun?    

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