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Old 15th April 2013, 03:10 AM   #1
JZatopa is offline JZatopa  United States
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Join Date: May 2003
Location: Chicago
Default Could someone help me identify this crystal?

I just opened up my focusrite scarlett 2i2 to see if there was anything I could do to improve it. The board is mostly smd so I think I am going to leave it alone. There are a few caps I could upgrade but I'm not sure it's worth the effort. One thing I would like to do is upgrade the clock/crystal. Written on top of it is h26.000L1. Is there any way to identify the part from those numbers? I want to find a data sheet on it to see if it is worth improving in any way.

FYI for anyone who is curious about what opamps it uses, all the opamps appear to be MAX4477
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Old 15th April 2013, 03:26 AM   #2
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A number like that on a crystal almost certainly indicates its frequency in MegaHertz. 26 MegaHertz. They're often specified to 3 decimal places.
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Old 17th April 2013, 06:02 PM   #3
JZatopa is offline JZatopa  United States
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Thanks.
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Old 17th April 2013, 07:09 PM   #4
DF96 is offline DF96  England
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For audio the only thing which matters about the crystal is quality (e.g. purity of materials, cleanliness of manufacture), as this determines jitter. Only the highest quality most expensive crystals are likely to mention quality on their datasheet. You may find that price is a useful proxy for quality, but this is not guaranteed. Cheap mass-produced crystals are rarely good quality, as their usual applications (e.g. CPU clocks) do not require it.

The oscillator circuit also affects jitter.
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Old 17th April 2013, 08:04 PM   #5
JZatopa is offline JZatopa  United States
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Almost everything on the board is SMD and I don't have access to a schematic. Because of this the only thing I can think of is to upgrade the clock and possibly upgrade the through hole caps. I'm not even sure it is worth the hassel as this is a piece I use for my PC and measurement.
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