![]() And I recently visited a largish seller of professional audio equipment where it took a few salesmen before anyone understood what I was talking about when asking for the word-clock termination. It is ideal for use as an HD-SDI or word clock cable. The reason is that an unterminated line is more susceptible to noise and component drifts and that kind of things, and the whole idea of running the word-clock cable from the beginning is to get more precision in the timing. This cable is designed for use in low-power video and RF applications. Hosa BNC-59-103 75 ohm Word Clock Cable 3' 818201505831 eBay This cable is designed for use in low-power video and RF applications. Only the last slave in the chain should have the termination connected.įor a short word-clock cable, perhaps a meter or a bit more, the termination might not strictly be needed (there are ways to calculate this, but that takes math I´ve mostly forgotten), it might be a bit belts and suspenders. It is ideal for use as a composite video or word clock cable and may also be used as an SDI or HD-SDI cable. Generally, you see this because there is a switch or whatever where you can disconnect it. Now, before going ahead buying the termination and T, check if your slave might have a built-in termination. Ĥ) The termination finally goes on the last open T, on the last slave. If used as an external clock then jitter increases if going through SPDIF, where time is imbedded with audio digital data. Black Lion word clock, is said to be <10ps. (Never, ever, connect the chain "through" a slave, using the in/out connectors). After researching this during the last 2 weeks, The rumor is that the Hosa device, jitter 150ps. You want the 75 Ohm.ģ) Daisy chain the cable, from the T-connectors, slave to slave. Warning - most of these things comes in both 50 and 75 Ohm variations. It is picture number 4 (click on the picture and it expands), sort of like a T (two times male, one times female connector). Use the "Out" connector.Ģ) Now set one T-connector at each slave, at the "In" connector. In the right corner there is a white square where you can enter a search term, in this case they are part numbers in their catalog.ġ) Anyway, connect the cable to the master. Hosa MSB-139 Stand/Boom Arm for Microphone (1 user review) Hosa SLW-333 Monitor Controller (1 user review) 111 new (1. Sorry for the Swedish, hope the pictures talk for themselves. Hosa WDC-427 Word Clock Generator Synchronizer. I´ll point you to my electronics supplier for pictures. I have difficulty finding pictures of this on the net (had a few links before, lost them).
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