I imagined as explained below.
Assuming rise time and fall time are symmetric on a Microstrip
configuration.
NEXT: Width should be same width as the pulse from aggressor.
FEXT: Profile has two peaks inverted to aggressor pulse's rising and
falling and their peaks separated by aggressor's pulse width.
Correct?
On Thu, Jun 15, 2017 at 7:38 PM, Weston Beal <Weston.Beal@xxxxxxxxxx> wrote:
Aakash,
Use superposition. The pulse is just the combination of a rising edge and
a delayed falling edge. Invert the rising edge waveforms and you have the
falling edge waveforms. Now delay the falling edge waveforms, and add them
to the corresponding rising edge waveforms. That should give you the
effects of a pulse.
Weston
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Aakash Gupta
Sent: Thursday, June 15, 2017 6:33 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] NEXT and FEXT Profile for a Pulse
Hello Experts,
I am studying cross talk and I see many resources online showing the
profile of NEXT and FEXT for a step signal (rising edge only). I totally
get that.
I want to know what is the cross talk profile for a pulse (rising and
falling edge). I have some picture in my mind but I cannot afford tools to
simulate and verify my intuition.
If some has them simulated or could explain me. It will be very helpful.
Thanks
Aakash.
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