From: Saeen Malik ([email protected])
Date: Mon May 07 2001 - 11:37:40 PDT
I have the following stackup. I need to route 644 MHz. PECL signals. Which
layers should I use
------------------ gnd
---- route layer 1
------------------ gnd
---- route layer 2
---- route layer 3
------------------ peclpower
---- route layer 4
---- route layer 5
------------------ gnd
---- route layer 6
------------------ gnd
My inclination is to use layers 2,3 and 4,5 because it would provide return
path for
both cases - switching high and low. On the other hand if I use the single
stripline layers,
the return current when the device switched high would have to go through a
cap to enter the power
pin.
What do you people think???
Saeen
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This archive was generated by hypermail 2b29 : Thu Jun 21 2001 - 10:11:51 PDT