R&S SMC100A User Correction
1411.4060.32 4.59 E-4
User Correction
The "User Correction" function is used to create and activate lists in which level correction values
predefined by the user are freely assigned to RF frequencies. Correction is performed by the user-
defined table values being added to the output level for the respective RF frequency.
With frequencies which are not contained in the list, the level correction is determined by interpolation of
the closest correction values.
The lists are created in the List Editor. Each list is stored in its own file with the predefined file extension
*. uco. The name of the User Correction file can be freely selected. The files are loaded from the
Lists... file manager. Externally created tables with pairs of frequency and level values can be
converted into User Correction files using the import function. The external files must have the file
extension *.txt or *.csv. These file formats are provided e.g. by the Microsoft Excel program. The
separators for table columns and for decimal floating-point numerals can be set. In addition, internally
created User Correction data can be exported into ASCII files using the export function.
The amplitude can also be linearized automatically by means of a R&S NRP power sensor connected
to the generator output signal. With the aid of the Fill with Sensor function, a table with correction
values for external test assemblies can be automatically determined, e.g. for compensating the
frequency response of cables. The User Correction list with the correction values acquired by the
sensor is generated in the Edit User Correction List menu. The correction values can be acquired any
time irrespective of the modulation settings of the generator.
If user correction is activated, the UCOR display (User Correction) is shown in the header together with
the Level display. The RF output level is the sum of both values.
Level + UCOR = Output level
If activated, user correction is effective in all operating modes.
User Correction Menu
The User Correction menu is opened either in the RF function block or using the SETUP key under RF.
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