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SPICE import block in CST

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sensen9966

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the reference found in CST help is as bellow.

Code: 
This type of block  imports a circuit from a file in Berkeley SPICE syntax. [b]It supports up to Berkeley's version 3f4[/b]. Syntax extensions from SPICE derivates or commercial SPICE simulators such as HSPICE, PSPICE, LTSPICE, etc. are not supported.

i want to defined a diode spice file can be used in CST, i have the official datasheet file of the diode. how to make a Berkeley SPICE file?
and are there some handy software can defined the diode by the parameters and then export to a Berkeley SPICE file?

thanks in advance.
 

I have same problem,Could you kindly tell me ,if you solve this porblem?
thanks...
 

Simplest Diode SPICE syntax is

D1 1 2 DMOD
.MODEL DMOD D IS=1E-12, RS=1m

This represent a diode connected between node 1 & 2. DMOD is it's model and last line represent the model parameter for this device.

You need to extract the Diode model parameters from diode datasheet. You can use PSpice Model Editor for same. In this tool you can enter the diode characteristic curves and this tool extract the model parameters for you.
 
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