Atec Rohde-Schwarz-UPL - Manual (Page 16)

16 Audio Analyzer UPL
Specifications
Data without tolerances are typical values.
Analog analyzers
For analog measurements two analyzers with different bandwidths, specifica-
tions and measurement functions are available:
Analyzer
Frequency range
ANLG 22 kHz DC/10 Hz to 21.90 kHz 1)
ANLG 110 kHz DC/20 Hz to110 kHz 1)
Level measurements (rms)
Accuracy at 1 kHz ± 0.05 dB
Frequency response ref. to 1 kHz)
20 Hz to 22 kHz
± 0.03 dB, typ. 0.003 dB (V
in
<3 V)
10 Hz to 20 Hz ± 0.1 dB
22 kHz to 50 kHz ± 0.1 dB
50 kHz to 110 kHz ± 0.2 dB
Inputs
XLR connectors 2 channels, balanced (unbalanced
measurements possible with XLR/BNC
Adapter UPL-Z1), floating/grounded
and AC/DC coupling switchable
Voltage range 0.1 µ V to 110 V (rms, sine)
Measurement ranges 18 mV to 100 V, in steps of 5 dB
Input impedance 100 k Ω ± 1% shunted by 120 pF, each
pin against ground
300
Ω , 600 Ω , ± 0.5% each, P
max
1 W
Crosstalk attenuation > 120 dB, frequency < 22 kHz, 600 Ω
Common-mode rejection (V
in
< 3 V) > 100 dB at 50 Hz,
> 86 dB at 1 kHz, > 80 dB at 16 kHz
Generator output each input channel switchable to the
other output channel, input impedance:
balanced 200 k
Ω , unbalanced
100 k Ω
Typical frequency response, measured with internal generator/analyzer at
analog interfaces
Measurement functions
RMS value, wideband
Accuracy
Measurement speed
AUTO ± 0.05 dB at 1 kHz, sine
AUTO FAST ± 0.1 dB additional error
Integration time
AUTO FAST/AUTO 4.2 ms/42 ms, at least 1 cycle
VALUE 1 ms to 10 s
GEN TRACK 2.1 ms, at least 1 cycle
Noise (600 Ω )
with A filter 1 µ V
with CCIR unweighting filter < 2 µ V, 1.6 µ V typ. (ANLG 22 kHz)
Filter weighting filters and user-definable fil-
ters, up to 3 filters can be combined,
analog notch filter in addition (expan-
sion of dynamic range by up to 30 dB)
Spectrum post-FFT of filtered signal
1) DC/AC coupling.
RMS value, selective
Bandwidth (–0.1 dB)
1%, 3%, 1/12 octave, 1/3 octave and
user-selectable fixed bandwidth,
minimum bandwidth 20 Hz
Selectivity 100 dB (80 dB) with analyzer ANLG
22 kHz (110 kHz) bandpass or band-
stop filter, 8th order elliptical filter, ana-
log notch filter in addition
Frequency setting – automatic to input signal
– coupled to generator
– fixed through entered value
– sweep in selectable range
Accuracy ± 0.2 dB + ripple of filters
Peak value with analyzer ANLG 22 kHz only
Measurement peak max, peak min, peak-to-peak,
peak absolute
Accuracy ± 0.2 dB at 1 kHz
Interval 20 ms to 10 s
Filter 2) weighting filters and user-definable
filters, up to 3 filters can be combined
Quasi-peak with analyzer ANLG 22 kHz only
Measurement, accuracy to CCIR 468-4
Noise (600 Ω ) < 8 µ V with CCIR weighting filter
Filter 2) weighting filters and user-definable
filters, up to 3 filters can be combined,
analog notch filter in addition
DC voltage
Voltage range
0 V to ± 110 V
Accuracy ± (1% of measured value + 0.1% of
measurement range)
Measurement ranges 100 mV to 100 V, in steps of 10 dB
S/N measurement routine available for measurement functions
– rms, wideband
– peak
– quasi-peak
indication of S/N ratio in dB,
no post-FFT
FFT analysis see FFT analyzer section
Total harmonic distortion (THD)
Fundamental
10 Hz to 22 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 110 kHz
Accuracy
Harmonics < 50 kHz ± 0.5 dB
< 110 kHz ± 0.7 dB
Inherent distortion 3)4)
Analyzer ANLG 22 kHz
Fundamental
20 Hz to 10.95 kHz < –110 dB, typ. –115 dB
10 Hz to 20 Hz < –100 dB
Analyzer ANLG 110 kHz
Fundamental
50 Hz to 20 kHz < –100 dB, typ. –105 dB
Spectrum bar chart showing signal and distortion
THD+N and SINAD
Fundamental
10 Hz to 22 kHz
Frequency tuning automatic to input or generator signal
or fixed through entered value
Input voltage typ. > 100 µ V with automatic tuning
Bandwidth upper and lower frequency limit se-
lectable, one weighting filter in addi-
tion
Accuracy
Bandwidth
< 50 kHz ± 0.5 dB
< 100 kHz ± 0.7 dB
Inherent distortion 3)
Analyzer ANLG 22 kHz
Bandwidth 20 Hz to 21.90 kHz typ. –110 dB at 1 kHz, 2.5 V
< –105 dB +2 µ V 5)
typ. –108 dB +1.5 µ V
Analyzer ANLG 110 kHz
Bandwidth 20 Hz to 22 kHz < –95 dB + 2.5 µ V, typ. –100 dB +1.75 µ V
20 Hz to 110 kHz < –88 dB + 5 µ V, typ. –95 dB + 3.5 µ V
Spectrum post-FFT of filtered signal
2) With UPL-B29 only in base rate mode.
3) Total inherent distortion of analyzer and generator (with option
UPL-B1), analyzer with dynamic mode precision.
4) >3.5 V: typ. 3 dB less; <0.5 V: sensitivity reduced by inherent noise
(typ. 0.25/1.25
µ V with analyzers 22/110 kHz).
5) At full-scale level of measurement range (<–100 dB + 2 µ V with auto range),
<–100 dB for input voltage >3.5 V.