Hi,
I have a doubt,
Please look at the link below:
ednTargetImpedance
<http://www.edn.com/design/test-and-measurement/4413192/3/Target-impedance-based-solutions-for-PDN-may-not-provide-a-realistic-assessment>
Why is the switching excitation pattern a sharp edged trapezoidal instead
of a 10% triangular waveform at some processor frequency?
At least it should have been modulated with this pattern, or randomized it.
Say because of the microprocessor operations, lower frequencies are
excited, it will look like a modulated wave.
But in this case also, the amplitude of lower frequency currents will be
very small right?
Is there any entity in an IC draws this type of current waveforms?
I have a related doubt, what is the nature of current taken by a Current-
Mode differential signaling driver? Is it constant in all the time it
operates?
Thanks,
Anto
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