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R&S UP300/350
Analyzer
Operating Manual, 11/2007
6-259
E-1147.2759.00
6.3.2.2.6
THD, THD+N, SINAD (Total Harmonic Distortion)
Description
With this function, you can measure the harmonic distortion of the input
signal.
Setting
measurement
parameters
1.
Call the
THD
measurement function (
Ê
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
Select the measurement mode.
(
Ê
Select the frequency search mode.
(
Ê
Select the measurement speed.
(
Ê
Activate/Deactivate the filter.
(
Ê
Open the submenu:
(
Ê
Set the POST FFT.
Select the unit for the level display.
(
Ê
Displaying and
analyzing
measurement
results
Measurement display
Activating the measurement function displays the harmonic distortion
according to measurement mode.
Frequency spectrum
1.
Switch on the measurement function
POST
FFT
(
Ê
2.
Select the
SPECTRUM
display mode in the Graph menu (
Ê
A measurement diagram with the frequency spectrum is shown in the
display area.
Summary of Contents for Smart Instruments UP300
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