ifspec.ifs

ngspice又一个电子CAD仿真软件代码.功能更全

/* $Id: ifspec.ifs,v 1.2 2003/08/05 17:20:36 pnenzi Exp $ */
/*.......1.........2.........3.........4.........5.........6.........7.........8
================================================================================
Copyright 1991
Georgia Tech Research Corporation, Atlanta, Ga. 30332
All Rights Reserved

AUTHORS                      

    12 Apr 1991     Harry Li


SUMMARY

    This file contains the interface specification file for the 
    analog square (controlled squarewave oscillator) code model.

===============================================================================*/
 
NAME_TABLE:


C_Function_Name:       cm_square
Spice_Model_Name:      square 
Description:           "controlled square wave oscillator"


PORT_TABLE:

Port_Name:             cntl_in              out            
Description:           "input"              "output"
Direction:             in                   out 
Default_Type:          v                    v
Allowed_Types:         [v,vd,i,id,vnam]     [v,vd,i,id] 
Vector:                 no                   no
Vector_Bounds:          -                    -  
Null_Allowed:          no                   no 

PARAMETER_TABLE:

Parameter_Name:     cntl_array            freq_array 
Description:        "control in array"    "frequency array"
Data_Type:          real                  real   
Default_Value:      0.0                   1.0e3   
Limits:             -                     [0 -]       
Vector:              yes                   yes     
Vector_Bounds:       [2 -]                 [2 -]      
Null_Allowed:       no                    no     


PARAMETER_TABLE:

Parameter_Name:     out_low                out_high
Description:        "output low value"     "output high value"
Data_Type:          real                   real 
Default_Value:      -1.0                   1.0 
Limits:             -       	           -       
Vector:              no                     no     
Vector_Bounds:       -                      -      
Null_Allowed:       yes                    yes    

PARAMETER_TABLE:

Parameter_Name:     duty_cycle             rise_time 
Description:        "duty cycle"           "rise time"
Data_Type:          real                   real 
Default_Value:      0.5                    1.0e-9 
Limits:             [1e-6 .999999]         -       
Vector:              no                     no     
Vector_Bounds:       -                      -      
Null_Allowed:       yes                    yes    

PARAMETER_TABLE:

Parameter_Name:     fall_time 
Description:        "fall time"
Data_Type:          real 
Default_Value:      1.0e-9 
Limits:             -       
Vector:              no
Vector_Bounds:       -
Null_Allowed:       yes