Yes, the one that we used to build has one. (Are you surprised?)
Missed this thread first time around........out of town.......
I would use a linear stage ahead of the '3623. Even though it is not in favour, it dumps very little energy back onto the line. Unlike the popular RX chips.........
The only way to reduce the jitter with another clock is to use a secondary PLL. An oscillator by itself is not going to do anything, unless you slave the transport. I believe a guy who sells them was already mentioned.
Turning off the crystal on the RX chip after lock helps some.
Jocko
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