Modulation uncertainty for main standards, Signal performance for digital standards – Atec Rohde-Schwarz-SMU200A User Manual
Page 30
Version 08.00, January 2012
30
Rohde & Schwarz
R&S
®
SMU200A Vector Signal Generator
Modulation uncertainty for main standards
Typical values
Standard GSM
EDGE
WCDMA
3GPP
(1DPCH)
cdmaOne
Reverse
DECT TETRA
NADC PDC IEEE
802.11a
800 to 900
824 to 894
810 to 956
2400 to
2485
Frequency
in MHz
400 to
2000
400 to
2000
1800 to
2200
1850 to 2000
1880 to
1990
380 to
480
1850 to
2000
1429 to
1501
5150 to
5825
EVM in %
–
0.2
0.3
0.2
–
0.2
0.2
0.2
0.4
Phase error
in °
0.15
–
–
–
– –
– – –
Deviation error
in kHz
–
–
–
–
0.5
–
– – –
Channel
spacing
200 kHz
200 kHz 5 MHz
1.25 MHz
1.728 MHz
25 kHz
30 kHz
25 kHz
–
Adjacent channel power ratio (ACPR) in dB
8
In adjacent
channel
−37
−38
−72
9
−85
10
–
−74
11
−34
−74
−42
at 11 MHz
In alternate
channel
−71
−71
−78
12
−89
13
–
−77
11
−80
−82
−64
at 20 MHz
In 2nd alternate
channel
−85
−85 –
−95
14
– – – –
−66
at 30 MHz
Signal performance for digital standards
GSM/EDGE
with R&S
®
SMU-K40 option
Burst on/off ratio
> 100 dB
MSK, Gaussian filter B × T = 0.3
RMS
< 0.4°, 0.15° (typ.)
Phase error
peak
< 1.2°, 0.4° (typ.)
Error vector magnitude
8PSK EDGE, Gaussian linearized filter,
RMS
< 0.5 %, 0.2 % (typ.)
values measured with 30 kHz resolution bandwidth, referenced to level in band center
without power ramping
level
≤ 10.5 dBm, ≤ 16.5 dBm with R&S
®
SMU-B31, R&S
®
SMU-B36 options
200 kHz offset
< –34 dB, –37 dB (typ.)
400 kHz offset
< –68 dB, –71 dB (typ.)
Power density spectrum
600 kHz offset
< –80 dB, –85 dB (typ.)
8
Level restricted, see specifications.
9
0 dB baseband gain (standard).
10
885 kHz offset and 30 kHz bandwidth.
11
Measured with root cosine filter.
12
6 dB baseband gain (low noise).
13
1.25 MHz offset and 30 kHz bandwidth.
14
1.98 MHz offset and 30 kHz bandwidth.