[SI-LIST] Point to point simulation results

  • From: Mallikarjun K <malli.1729@xxxxxxxxx>
  • To: "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
  • Date: Tue, 21 Oct 2014 06:11:54 +0530

Hi,
I am trying to simulate a topology.
it consists of driver --> 0 ohm resistor --> MS line (length varied from
1000 mils to 10000 mils) ---> DDR2 dq 533 io(receiver).

I am just simulating to findout how much can be the maximum length, before
signal degrades badly.

As i am increasing the length, i am seeing more degradation at the Driver
than at the receiver. there is degradation at the receiver , but it is OK.

I have uploaded 3 files 1000mils,4800mils and 10000mils
@ 10000mils there is delay between input and output but still output
quality and input quality are good compared to 4800 mils case.

why is this? 10000mils case should have more degradation

http://s3.postimg.org/q6wi1e283/ddr2_io_0000_dq_533_MS3_1000.png

http://s2.postimg.org/4qw22kazt/ddr2_io_0000_dq_533_MS3_4800.png

http://s27.postimg.org/o988g61zn/ddr2_io_0000_dq_533_MS3_10000.png


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