This control instructs the simulator to perform a DC sensitivity analysis. In this analysis mode, a DC operating point is first calculated then the linearised sensitivity of the specified circuit voltage or current to every model and device parameter is evaluated. The results are output to a file (SENS.TXT by default but can be changed with SENSFILE option) and they are also placed in a new data group. The latter allows the data to be viewed in the message window (type Display) at the command line and can also be accessed from scripts for further analysis.
Setting up a Sensitivity Analysis
Place a control of the following form in the
F11 window:
.SENS V(nodename [,refnodename])| I(sourcename)
|
nodename
|
Output node to which sensitivities are calculated |
|
refnodename
|
Reference node. Ground if omitted |
|
sourcename
|
Voltage source to measure output current to which sensitivities are calculated. |