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PCIE layout routing recommendations ?

Question asked by Peter Amond on May 28, 2019
Latest reply on Jun 5, 2019 by Rita Wang

Dear All,


For the PCIE differential pairs we need to use differential pairs for routing. 


Is that okay to route as single ended signal for pull down resistors(49.9 Ohms) or pull ups ? Will it affect for PCIE differential pairs if we route pull down as single ended signal ? What should be the impedance for those traces?