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Hi All,
I was trying to understand the BBPD CDR and I created simple z-domain model and a VERILOG-A model to study its dynamics.
The issue here is that I can't related between whatever i see from stability analysis with the z-model and whatever i see int he transient model (VERILOG-A)
In other words, from z-model I see phase margin but doesn't reflect perfectly the time domain step response sometimes i see small PM while it settles perfectly !! not ringing and vice versa
Also, If I used a DESER along with majority voter then DSM how can i involve that in my z-domain model ?
Thanks,
Ibrahim
I was trying to understand the BBPD CDR and I created simple z-domain model and a VERILOG-A model to study its dynamics.
The issue here is that I can't related between whatever i see from stability analysis with the z-model and whatever i see int he transient model (VERILOG-A)
In other words, from z-model I see phase margin but doesn't reflect perfectly the time domain step response sometimes i see small PM while it settles perfectly !! not ringing and vice versa
Also, If I used a DESER along with majority voter then DSM how can i involve that in my z-domain model ?
Thanks,
Ibrahim
