Atec Rohde-Schwarz-UPV User Manual
Page 6
Version 03.00, August 2011
6
Rohde & Schwarz R&S
®
UPV Audio Analyzer
Total harmonic distortion (THD)
Fundamental
10 Hz to 110 kHz
Frequency tuning
automatic to input or generator signal or
fixed through entered value
Weighted harmonics
any combination of d
2
to d
9
, up to 250 kHz
harmonics < 50 kHz
±0.5 dB
harmonics < 100 kHz
±0.7 dB
Error limit
harmonics < 250 kHz
±1 dB
fundamental 20 Hz to 10.95 kHz
< –110 dB, typ. –115 dB
Inherent distortion
(bandwidth 22 kHz)
4
5
fundamental 10 Hz to 20 Hz
< –100 dB
fundamental 50 Hz to 20 kHz
< –100 dB, typ. –105 dB
fundamental 20 kHz to 50 kHz
< –90 dB, typ. –95 dB
Inherent distortion
(bandwidth 40/80/250 kHz)
4
5
fundamental 50 kHz to 110 kHz
< –80 dB, typ. –85 dB
Spectrum
bargraph showing signal and distortion
post FFT
THD+N and SINAD
Fundamental
10 Hz to 110 kHz
Frequency tuning
automatic to input or generator signal or
fixed through entered value
Input voltage
typ.
> 100 µV with automatic tuning
Bandwidth
upper and lower frequency limit selectable,
one weighting filter in addition
bandwidth
< 50 kHz
±0.5 dB
< 100 kHz
±0.7 dB
Error limit
< 250 kHz
±1 dB
fundamental meas.
Bandwidth
Inherent distortion
(analyzer bandwidth 22 kHz)
4
to 22 kHz
20 Hz to 22
kHz
typ. –110 dB at 1 kHz, 2.5 V
< –105 dB + 2 µV
6
typ. –108 dB + 1.5 µV
fundamental meas.
bandwidth
to 20kHz
20 Hz to 22 kHz
< –95 dB + 2.5 µV, typ. –100 dB + 1.75 µV
to 20 kHz
20 Hz to 80 kHz
< –90 dB + 5 µV, typ. –95 dB + 3.5 µV
Inherent distortion
(analyzer bandwidth 40/80/250 kHz)
4
to 50 kHz
20 Hz to 250 kHz
< –84 dB + 10 µV, typ. –90 dB + 7 µV
Spectrum
post
FFT
Time domain display (WAVEFORM)
Trigger
rising/falling
Trigger level
–100 V to +100 V
Trace length
max. 480 ksample per channel
Pretrigger
max. 19200 sample
Standard mode
each sample recorded
Compressed mode
peak value of up to 1024 sample recorded
(envelope)
Undersample mode
undersampling factor up to 1024
Frequency
Frequency range
20 Hz to 250 kHz
Frequency error
±10 ppm
Phase
Frequency range
20 Hz to 250 kHz
20 Hz to 22 kHz
±0.4°
22 kHz to 50 kHz
±0.6°
50 kHz to 100 kHz
±1.0°
Phase error
100 kHz to 250 kHz
±1.5°
4
Total inherent distortion of analyzer and generator (with R&S
®
UPV-B1 option), analyzer with dynamic mode precision.
5
Typ. 3 dB less when > 3.5 V; sensitivity reduced by inherent noise when < 0.5 V.
6
At full-scale level of measurement range (< –100 dB + 2 µV with autoranging), < –100 dB for input voltage > 3.5 V.