Rohde & Schwarz Smart Instruments UP300, Operating Manual

Page: 251 / 355

R&S UP300/350 Analyzer
Operating Manual, 11/2007 6-251 E-1147.2759.00
6.3.2.2.5 FFT (Frequency-Domain Display, Spectrum)
Description With this function, you can display the input signal as a frequency spectrum.
Transformation to the frequency domain is performed by means of Fast
Fourier Transformation (FFT).
Setting
measurement
parameters 1. Call the FFT measurement function ( Ê 6-226).
2. Select the menu with the
3 or 4
cursor keys .
The menu name is highlighted and the function keys [13] are assigned
the appropriate function.
Function key
assignment
Set the FFT size. ( Ê 6-253)
Set the FFT window. ( Ê 6-253)
Activate/Deactivate the filter. ( Ê 6-232)
Open the submenu: ( Ê 6-255)
Set the averaging mode.
Select the unit for the level display. ( Ê 6-257)