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jrock6
Joined: 19 Jun 2006
Posts: 37
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 Posted: Wed Mar 28, 2007 12:29 am Post subject: Oscillator compatability |
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Time to bite the bullet and add an oscillator to my boards.
Is the Mouser part No 815-ACH-18.432-EK compatible with the renard design.
It appears to be
slightly cheaper 1.63 vs 1.76 qty 10
slightly smaller case 12.7 vs 13.2 mm
more acurate +-30 vs +-100
Wider temperature range -20 to 70c vs 0 to 70c (important up north)
Looks to be a better replacement from an alternate manufacturer.
Is this a compatible part to the 520-TCH1843-X speced in the BOM for renard?
JOel
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P. Short
Joined: 12 Jun 2006
Posts: 594
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| Posted: Wed Mar 28, 2007 1:07 am Post subject: |
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It looks good to me. The only question is about the power requirements for the part. That would be hard to tell without actually buying a part and measuring it, because I think that the specs are always extremely conservative. The 520-TCH part that I'm using seems to draw a lot less current than the spec (albeit at nominal temperature and voltage).
In any case, the frequency tolerance doesn't really matter (anything within about 1% would be fine), although the temperature range is obviously of concern.
--
Phil |
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