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Sending LTC over XLR
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<blockquote data-quote="Rob Timmerman" data-source="post: 213086" data-attributes="member: 172"><p>You biggest headache specific to LTC over that long a run is likely going to be HF rolloff caused by cable capacitance. LTC wants a -3dB point on the link of about 14khz, which may be difficult to achieve with shielded wire over that distance. For reference, on a 500m cable, this will require cable with a ~36 pf/m capacitance at a 600 ohm drive impedance, but reducing either the drive impedance or the cable capacitance will help things. Obviously, things like grounding and shielding that apply to audio links also apply here as well.</p></blockquote><p></p>
[QUOTE="Rob Timmerman, post: 213086, member: 172"] You biggest headache specific to LTC over that long a run is likely going to be HF rolloff caused by cable capacitance. LTC wants a -3dB point on the link of about 14khz, which may be difficult to achieve with shielded wire over that distance. For reference, on a 500m cable, this will require cable with a ~36 pf/m capacitance at a 600 ohm drive impedance, but reducing either the drive impedance or the cable capacitance will help things. Obviously, things like grounding and shielding that apply to audio links also apply here as well. [/QUOTE]
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