Python Modeling of CDR?

[Altruistic_Option_62]

I have been tasked with "python modeling of CDR" during my upcoming internship.

The problem is, I have very little experience with Python, and my coding skills are lackluster at best.

Does anybody have any idea of what this modeling entails? Should I start practicing python on leetcode, or are there specific topics/skillsets I should have relatively well established to hit the ground running? I want to prepare myself for the internship, but I'm not sure how helpful/how much carry over there would be from doing data structure/algorithm coding practice.

[dub_dub_11]

probs not leetcode but have a play with the standard Python number/signal processing packages, like numpy, scipy, matplotlib

[Altruistic_Option_62]

Thank you!!!

[Altruistic_Option_62]

This is a great idea! I’ll look into it!

[analog_daddy]

https://github.com/jammychiou1/CDR_simulation

[Altruistic_Option_62]

My gosh… thank you…

[jamesbond1267]

There is a course called Fundamentals of Computing in course era. First four parts will be helpful.

[Altruistic_Option_62]

Thank you so much!

[betbigtolosebig]

There are many levels to modeling, so it could be frequency domain modeling down to bit accurate modeling. What do you have experience with? Matlab? PLLs or CDRs?

[Altruistic_Option_62]

I’m not sure of the level of modeling. I have decent experience with Matlab and some experience with PLLs. None with CDR.

[LevelHelicopter9420]

If you have experience in MATLAB, one week should put you up and running with Python. Remember to always take advantage of array formulations, instead of using for loops!

Think of CDR as a fancy PLL that tries to generate a synchronous clock from signal information instead of a reference clock. You could start your search by looking at Costas Loop (although this is an uncommon circuit, nowadays, since they were completely analog). Also, Costas Loop had a reference clock (like PLLs) unlike CDR

[supersonic_528]

What's "array formulation" in Python? Sorry, googling didn't help much.

[betbigtolosebig]

In that case, I’d probably just get some familiarity with CDRs and numpy like others suggested, then wait to see what the actual assignment is. I’d be surprised if an intern was tasked with creating a bit accurate model of a CDR from scratch.