[SI-LIST] : PECL Clocks.

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From: K.Orthner ([email protected])
Date: Thu Feb 15 2001 - 17:25:12 PST

Hello, All.

I'm going to be buying some expensive +/-20ppm 77.76 MHz PECL oscillators to
provide the reference clocks for OC12 SerDes. I will have 4 Serdes on a
board, arranged in two pair. The two of the pair will be within an inch or
two of each other (PQFP64 packages.)

I'm hoping I can use 1 oscillator to drive two serdes, but I'm not
completely sure I can do this and expect everything else to work properly.
If I keep the distance between the two Serdes short, and I terminate
properly after the last serdes, I think maybe I can get away with it.

I'm hoping someone can tell me that this will be no problem, or that I
really shouldn't try.
Any comments or suggestions will be greatly appreciated.

Thanks in advance,

Kent Orthner                         ??  ??
Furukawa Electric                    ??????
5-1-9 Higashi-Yawata, Hiratsuka, 254-0016 Japan
Tel: (0463) 24 8451   Fax:(0463)24-8490
[email protected]

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