IMEP-Spice interface

Features

• Define value of the component’s parameters that are defined as a simulation variable. The variable used during simulation can be saved into a normal text file and can be reloaded in the any future simulation.
• Configure and perform a parametric analysis. This type of simulation is used by the designer in the optimization step. The interface gives the possibility to sweep a parameter within a particular range and step (our actual interface is limited to one parameter).
• Plotting output data. The output data are plotted using free RAW format plotting software (Gwave in our case). The plot interface communicates with the plotting software (no direct contact with the free tool) and gives the flexibility to choose between the different output data (transient output, AC output, DC output …).
• Configuration of the technology files. This step aims to include the components models by providing the path to the directory where the technology files (libraries and models) are placed.
• Send feedback to the interface developer using a graphical interface. This interface uses the SMTP (Simple Mail Transfer Protocol) protocol and must be configured during the installation step.
• Set-up and run the following simulation: i) AC analysis. ii) DC analysis. iii) Transient analysis. iv) Pole and zero analysis. v) DC and AD sensitivity analysis. vi) Distortion analysis. vii) Transfer function analysis. viii) Noise analysis. ix) Operating point analysis. The ability to use all these simulation depends on the capacity of the free spice simulator used with the interface. In our case, the interface is tested with the Ngspice simulator developed by Berkeley [3].

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