https://youtu.be/cePp4LdDdS4 Phil goes over some of the history of SDi and how we got to the current standard for 4k/UHD TV that is 12G SDi. You can snag the slides here. Keep an eye on the upcoming tech breakfasts on the main Jigsaw24 events page.
I've posted measurements of the degradation that cables does to video signals before; see here, but I was grabbing a couple of screen caps for an industry colleague and here they are.
My pals at Lindy (who I buy lots of computer connectivity parts from) sent me a bunch of engineering samples of 3G-capable SDi parts; DAs, fibre transceivers etc. from one of their OEM manufacturers in the Far East. For very modestly priced pieces they were excellent. The eye-pattern (above) is the output of their re-clocking [...]
Return loss is the loss of signal power resulting from the reflection caused at a mismatch with the terminating load or with a device inserted in the line. It is usually expressed as a ratio in decibels (dB); where RL(dB) is the return loss in dB, Pi is the incident power and Pr is the [...]