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About the SerDes System Single Repeater Tool...
Typical SerDes System Characteristics and Displays...

1. Define Analysis Name - Recall prior analysis. Note: Recall is under development and not available at this time.

Description and Name Prefix Name Status Comment Action Action
Analysis name: Redriver_ or Retimer_ Alpha-numeric characters or underbar - case sensitive - start with alpha character

2. Define Transmitter - model is linear and time invariant (LTI).

Name Description Entry Value(s) Status Type Limits Comment Action
TransmitterType Transmitter type Integer [0, 5]

0 = None
1 = FFE
2 = FFE with value range
3 = FFE with code range
4 = Model with multiple step responses
5 = Tx LTI IBIS-AMI model

3. Define Channel - model is linear and time invariant (LTI).

Name Description Entry Value(s) Status Type Limits Comment Action
ChannelType Channel specification type Integer [ 0, 3]

0 = None
1 = Channel implulse data
2 = Channel S-parameter data
3 = Tx pkg + channel + Rx pkg

4. Define Repeater Receiver LTI Front End - model is linear and time invariant (LTI).

Name Description Entry Value(s) Status Type Limits Comment Action
ReceiverFEType Receiver front end type Integer [0, 4]

0 = None
1 = 1 section or AGC only
2 = 2 sections
3 = 3 sections
4 = 4 sections
5 = Rx LTI IBIS-AMI model

5. Define Repeater Receiver NLTV model - model is nonlinear and time variant (NLTV); forces Bit-by-bit Analysis mode.

Name Description Entry Value(s) Status Type Limits Comment Action
ReceiverCDRDFEType Receiver CDR/DFE type Integer [0, 6]

0 = None
1 = Pass-thru bit-by-bit analysis
2 = Nonlinearity only
3 = CDR + DFE
4 = CDR + DFE with value range
5 = CDR + DFE with code range
6 = Rx NLTV AMI model

6. Define Repeater Transmitter - model is linear and time invariant (LTI).

Name Description Entry Value(s) Status Type Limits Comment Action
TransmitterType2 Transmitter type Integer [0, 5]

0 = None
1 = FFE
2 = FFE with value range
3 = FFE with code range
4 = Model with multiple step responses
5 = Tx LTI IBIS-AMI model

7. Define 2nd Channel - model is linear and time invariant (LTI).

Name Description Entry Value(s) Status Type Limits Comment Action
ChannelType2 Channel specification type Integer [ 0, 3]

0 = None
1 = Channel implulse data
2 = Channel S-parameter data
3 = Tx pkg + channel + Rx pkg

8. Define 2nd Channel Receiver Front End - model is linear and time invariant (LTI).

Name Description Entry Value(s) Status Type Limits Comment Action
ReceiverFEType2 Receiver front end type Integer [0, 4]

0 = None
1 = 1 section or AGC only
2 = 2 sections
3 = 3 sections
4 = 4 sections
5 = Rx LTI IBIS-AMI model

9. Define 2nd Channel Receiver CDR/DFE - model is nonlinear and time variant (NLTV); forces Bit-by-bit Analysis mode.

Name Description Entry Value(s) Status Type Limits Comment Action
ReceiverCDRDFEType2 Receiver CDR/DFE type Integer [0, 6]

0 = None
1 = Pass-thru bit-by-bit analysis
2 = CDR + Nonlinearity
3 = CDR + DFE
4 = CDR + DFE with value range
5 = CDR + DFE with code range
6 = Rx NLTV AMI model

10. Setup Analysis - With LTI system, analysis uses Statistical mode. With NLTV system, analysis uses Bit-by-bit mode.

Name Description Entry Value(s) Status Type Limits Comment Action
BitRate Bit rate Real > 0 Bits per second
SamplesPerBit Samples per bit Integer [4, 128]
SetupOptions Setup analysis options Integer [0, 1]

0 = No
1 = Yes
SetupBitByBitMode Setup bit-by-bit mode Integer [0, 1]]

0 = No
1 = Yes
RepeaterType Repeater type Integer [0, 1]

0 = Redriver
1 = Retimer
GenerateModels Generate IBIS-AMI repeater model after Run with satisfactory results Integer 0 or 4

0 = No
4 = Yes: Repeater

 Info...

11. Run Analysis

Select to run analysis Waiting to run

12. Display Results Log File

Display Action
Analysis log file

13. Display Channel 1 Results

Display Action
1.1. Channel and System LTI spectrum magnitude
1.2. Channel and System LTI spectrum phase
1.3. Channel data impulse response
1.4. System LTI impulse response
1.5. System worst/best case eye contours
1.6. System amplitude bathtub BER
1.7. System waveform

14. Display Channel 2 Results

Display Action
2.1. Channel and System LTI spectrum magnitude
2.2. Channel and System LTI spectrum phase
2.3. Channel data impulse response
2.4. System LTI impulse response
2.5. System worst/best case eye contours
2.6. System amplitude bathtub BER
2.7. System waveform
Go to the Eye Analysis Tool for detail eye analysis for this SerDes system (set ChAnalysisName to the 'Analysis name' or 'Analysis name'_RepeaterCh2 with the correct prefix 'Redriver_' or 'Retimer_')...

Use the View S-Parameters Tool to view S-Parameters defined in a file...
Use the Compare S-Parameters Tool to compare the S-Parameters from two files...
Use the Causal S-parameters Tool to generate causal S-parameters for a given S-parameters file...