SMU_dat-sw-en.pdf - 第30页

Version 08.00, Januar y 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 …

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Version 08.00, January 2012
Rohde & Schwarz R&S
®
SMU200A Vector Signal Generator 29
modulation, filter, symbol rate and coding in line with standard
Predefined settings
standards Bluetooth
®
7
, DECT, ETC, GSM,
GSM EDGE, NADC, PDC, PHS, TETRA,
WCDMA 3GPP, TD-SCDMA,
CDMA2000
®
Forward,
CDMA2000
®
Reverse, Worldspace
Modulation errors
deviation 0.2 to 0.7 × symbol rate
Gaussian filter with B × T = 0.2 to 0.7
symbol rate up to 2 MHz < 1.2 %, 0.25 % (typ.)
Deviation error with 2FSK, 4FSK
symbol rate up to 10 MHz 0.75 % (typ.)
Gaussian filter with B × T = 0.2 to 0.7
bit rate up to 2 MHz < 0.4°, 0.15° (typ.)
Phase error with MSK
bit rate up to 10 MHz 0.3° (typ.)
cosine, root cosine filter with α = 0.2 to 0.7
symbol rate up to 5 MHz < 0.8 %, 0.2 % (typ.)
EVM with QPSK, OQPSK, π/4-DQPSK,
8PSK, 16QAM, 32QAM, 64QAM
symbol rate up to 20 MHz 0.7 % (typ.)
Measured EVM versus symbol rate.
7
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®
word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Rohde & Schwarz is
under license.
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.
Version 08.00, January 2012
Rohde & Schwarz R&S
®
SMU200A Vector Signal Generator 31
3GPP FDD with R&S
®
SMU-K42 option
Error vector magnitude 1 DPCH, RMS < 0.8 %, 0.3 % (typ.)
test model 1, 64 DPCH
level 10.5 dBm PEP, 16.5 dBm PEP with R&S
®
SMU-B31, R&S
®
SMU-B36 options
frequency = 1800 MHz to 2200 MHz
5 MHz offset (baseband gain: 3 dB) > 67 dB, 71 dB (typ.)
Adjacent channel leakage ratio (ACLR)
10 MHz offset (baseband gain: 6 dB) > 72 dB, 74 dB (typ.)
A
Ref -9.1 dBm
*
*
*1 R
M
CLRWR
3DB
RBW 30 kHz
VBW 300 kHz
SWT 2 sAtt 10 dB*
NOR
*
Center 2.14 GHz Span 25.5 MHz2.55 MHz/
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
T
x
C
annel W-
C
D
MA 3GPP FW
D
Bandwidth 3.84 MHz
Power -6.67 dBm
Adjacent Channel
Bandwidth 3.84 MHz
Lower -72.03 dB
Spacing 5 MHz
Upper -72.46 dB
Alternate
C
annel
Bandwidth 3.84 MHz
Lower -74.10 dB
Spacing 10 MHz
Upper -74.06 dB
1
Marker 1 [T1 ]
-26.78 dBm
2.138447115 GHz
↑
POS -9.079 dBm
Measured ACPR for 3GPP test model 1, 64 DPCH (baseband gain: +3 dB).
A
Ref -16.7 dBm
*
*
*
CLRWR
3DB
RBW 30 kHz
VBW 300 kHz
1 R
M
SWT 2 sAtt 10 dB*
NOR
*
Center 2.14 GHz Span 40.6 MHz4.06 MHz/
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
Standard: W-CDMA 3GPP FWD
Tx Channels
Ch1 -12.73 dBm
(Ref)
Ch2 -12.77 dBm
Ch3 -12.71 dBm
Ch4 -12.70 dBm
Total -6.70 dBm
Adjacent Channel
Lower -65.70 dB
Upper -65.22 dB
Alternate Channel
Lower -66.15 dB
Upper -66.12 dB
1
Marker 1 [T1 ]
-33.39 dBm
2.138447115 GHz
↑
POS -16.66 dBm
Measured ACPR for a 3GPP four-carrier signal with test model 1, 64 DPCH on each carrier (baseband gain: +3 dB).