What do the C_param and RevBrk parameters mean for spice_diode ?

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Theodore Wilkening
Theodore Wilkening 2020-1-13
回答： David John 2020-1-16
Hi,
I imported a netlist into MATLAB for simulink/simscape modeling and was prompted to edit some of the diode parameters after running subcircuit2ssc. My parameters have been imported well, however I don't know why two parameters (c_param and RevBrk) were added to the code. I have not been able to find documentation detailing what they are. See generated code from subcircuit2ssc below:
D_MD1_D2 = ee.additional.spice_semiconductors.spice_diode(AREA={1,'m^2'},SCALE={1,'1'},IS={1e-14,'A/m^2'}, ...
RS={0.01,'Ohm*m^2'},N={1,'1'},C_param={2,'1'},CJO={0,'F/m^2'},VJ={0.75,'V'},M={0.333,'1'},FC={0.5,'1'}, ...
TT={0,'s'},RevBrk={2,'1'},BV={25,'V'},IBV={0.0001,'A/m^2'},XTI={3,'1'},EG={1.11,'eV'});

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采纳的回答

David John
David John 2020-1-16
C_param is a flag indicating what type of capacitance model you want to use and RevBrk is a flag indicating what type of reverse breakdown model you want to use. This is because different versions of SPICE may use different models under the hood.
For C_param, a value of 1 means no capacitance model, and a value of 2 means you can use CJO, FC and TT to specify the capacitance behaviour.
For RevBrk, a value of 1 turns off reverse breakdown, and a value of 2 means you can use BV, IBV, etc. to specify the reverse breakdown behaviour.

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