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Nexxim Simulator >
Nexxim Component Models >
Independent Sources >
   Eye External Step Response (ESR) Source       

Eye External Step Response (ESR) Source

 

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ESR SourceNetlist Format

An Eye External Step Response source is inserted in a schematic to allow the user to specify the rising and falling step responses for QuickEye and VerifEye via data files. The netlist syntax is:

AESRxxxx COMPONENT=external_step_response
+ SOURCE_NAME='Eye Source'
+ PROBE_NAME='Eye Probe'
+ STEP_RESPONSE_FILE_RISE='file-reference'
+ STEP_RESPONSE_FILE_FALL='file-reference'

The ESR does not connect physically to the circuit. The ESR represents one set of step responses between one source and one probe, which must be specified. At least one of the step response files must be specified. If only one file is specified, symmetry is assumed. The data files use a two-column format: time voltage. Linear interpolation is used betwen timepoints. The entry COMPONENT=external_step_response identifies the component.

 


ESR Source Parameters

Parameter

Description

Unit

Default

SOURCE_NAME

Name of the Eye Source for this ESR

None

Required

PROBE_NAME

Name of the Eye Probe for this ESR

None

Required

STEP_RESPONSE_FILE_RISE

Name of the file with the rise time step response

None

None

STEP_RESPONSE_FILE_FALL

Name of the file with the fall time step response

None

None


ESR Source Netlist Example

AESR3 COMPONENT=external_step_response
+ SOURCE_NAME='EYE_Source1'
+ PPROBE_NAME='EYE_Probe1'
+ STEP_RESPONSE_FILE_RISE='rising_SR.txt'
+ STEP_RESPONSE_FILE_FALL='falling_SR.txt'

 




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