Le 7 févr. 2014 à 00:18, d0ct0r a écrit : > > Hello, > > Does anybody seen any links to the information how to implement external OCXO > to Symmetricom PCI TFP BC635/BC637 ? > > check the Symmetricom datasheets. You don't mention the version you are needing info for , IRIG/GPS.. Anyway, all that I glanced at show an Exr. 10MHz ref input on pin 1 of the sub-D 15 connector. Digital, 40% to 60% or sine, 0.5V to 8V p-p, > 10kOhm. ex. <http://www.symmetricom.com/resources/download-library/documents/datasheets/bc637pci-v2>
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