Using a Design Variable in an input.scs File

Cachi,

parameters vrefstart=0 vrefstop=1.5 vrefstep=0.05

V1 (vrefin 0) vsource type=dc dc=1.0

dc dc start=vrefstart stop=vrefstop step=vrefstep dev=V1 param=dc  hysteresis=yes

Does that help?

Alternatively, if you only want to put the analysis statements in the file, you can omit the parameters statements and then just define the vrefstart, vrefstop etc variables in ADE. ADE will netlist them as a parameters statement, but then your dc analysis in the included analysis "scs" file will pick up the parameter names. Essentially parameter names just have a simple reference in spectre syntax - no need to use VAR(), desVar(), etc.  ADE Design Variables corresponds to spectre variables - see "spectre -h  parameters".

Regards,

Andrew.

Hello Andrew,

I saw that you are very familiar with Cadence. I have a problem for Veriglog A in Cadence, I hope you can help me. In fact I need to elaborate a stochastic model by coding in Verilog A executed under Cadence. My aim is to offer a medel with which the customers can do the Monte Carlo Analysis. But I used the functions like "$random", "$temperature" etc. to generate a seed for obtaining a parameter which changes each time of simulation. But finally it changes just according to the real time of simulation, but not according to different times of simulation. Do you have any experiences like this? Thank you for you response. 

Best regards,

UU

UU,

Please read the forum guidelines. You've posted this on the end of an old thread, sent me a direct message, and also posted it as a new thread elsewhere. The reason the forum guidelines ask you not to do the old thread bit or double posting is that it confuses people and makes it hard to track. Also, I generally ask people not to direct message me rather than posting in the forum - I'm not going to be more likely to post a reply if you do that - and in fact you're better off posting in the public forums because then you have multiple people who can answer (especially if I'm busy with my day job). Anyway, I've answered it here.

Regards,

Andrew.