Rohde & Schwarz R&S UPP, User Manual

Page: 403 / 938

Instrument Functions
R&S
®
UPP
387 User Manual 1411.1055.32 ─ 10
"Level even di" The distortion voltage of all even harmonics d2 to d8 (root from the
square sum of the even harmonics) is measured.
 
2
8
2
6
2
4
2
2 d d d d THD
U U U U V U
   
The measured value is displayed in voltage units (volts or FS).
"Level odd di"
The distortion voltage of all odd harmonics d3 to d9 (root from the
square sum of the even harmonics) is measured.
 
2
9
2
7
2
5
2
3 d d d d THD
U U U U V U
   
The measured value is displayed in voltage units (volts or FS).
"Level all di" The distortion voltage of all harmonics d2 to d9 (root from the square
sum of all 8 harmonics) is measured.
 
2
9
2
8
2
3
2
2
...
d d d d THD
U U U U V U
    
The measured value is displayed in voltage units (volts or FS).
"Level dmin to
dmax" The distortion voltage of all harmonics in the range of dmin to dmax is
measured. In the bargraph display, harmonics are only shown up to
d9.
max
2
min
2
+ ... + = ] [
d d
THD
U U V U
The measured value is displayed in voltage units (volts or FS).
Remote command:
SENSe[1]:FUNCtion:MMODe
on page 753
Even Harmonics, Odd Harmonics
Used to select the desired harmonics; only available if "(Level) Select di" is selected
under "Meas Mode".
Remote command:
SENSe[1]:FUNCtion:DISTortion<n3>
on page 759
<n3> designates harmonics 2 to 9
dmin, dmax
Used to enter the lowest and highest harmonic for the dmin to dmax meas mode.
Remote command:
SENSe[1]:FUNCtion:DMIN
on page 759
SENSe[1]:FUNCtion:DMAX
on page 759
Fundamental
Used to determine the fundamental frequency.
Distortion Measurements