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how to generate random NRZ signals in Cadence IC design tool

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beabroad

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nrz signals

hi

I want to know how to generate random NRZ signals in Cadence IC design tool.
I want to simulate the transient output of my CDR circuit. And want to input random NRZ signal into it.
Also, I want to plot the output as eye diagram.
I want to know how to do above things in the Cadence IC environment.
Thank you.
 

eye_diagram_generator

We've done this buy using a PRBS generator to generate the NRZ signals. You can either do it in schematic form or use veriloga, which we use. To generate the eye diagram, use the [SPECIAL FUNCTION] tab on the calculator and there is an eyeDiagram button. Else, if you have the rfLib, there is an eye_diagram_generator symbol/verilog that you can use too.
 
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    beabroad

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    iceblade

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Re: how to generate random NRZ signals in Cadence IC design

Thank you for the useful info.
For I am not familiar with veriloga, could you post the code to generate the signals?
 

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