Rohde & Schwarz R&S UPP, User Manual

Page: 413 / 938

Instrument Functions
R&S
®
UPP
397 User Manual 1411.1055.32 ─ 10
   
 
2
1 2 2 1
2
f
f f f f
U
U U
d
 


Equation 5-1: 2nd order intermodulation product
   
 
2
1 2 2 1 2 2
3
f
f f f f
U
U U
d
 


Equation 5-2: 3rd order intermodulation product
 






  
2 2
3 2 lg 20 d d dB MODDIST
Equation 5-3: Total intermodulation factor in dB
For alternative intermodulation measurement, see Chapter 5.23.5, "DFD" ,
on page 398.
For more distortion measurements, see Chapter 5.23, "Distortion Measurements" ,
on page 381.
Figure 5-10: Mod-Dist measurement with 7 kHz useful signal and quadrupled interferer at 60 Hz
Function (MOD DIST)
Selection of MOD DIST measurement.
Remote command:
SENSe[1]:FUNCtion MDISt
Distortion Measurements