Atec Rohde-Schwarz-SMJ100A - Manual (Page 24)

R&S ® SMJ100A Vector Signal Generator Version 05.00, December 2007 24
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
In adjacent
channel
−37 −38 −72 −80
offset
750 kHz,
bandwidth
30 kHz
– −74 −34 −71 −42
at 11 MHz
In alternate
channel −71 −71 −76 −93
offset
1.98 MHz,
bandwidth
30 kHz
– −77 −78 −77 −64
at 20 MHz
In 2nd alternate
channel −85 −85 – – – – – – −66
at 30 MHz
Signal performance for digital standards
GSM/EDGE with R&S ® SMJ-K40 option
Burst ON/OFF ratio >100 dB
MSK, Gaussian filter B × T = 0.3
rms <0.4°, typ. 0.15°
Phase error
peak <1.2°, typ. 0.4°
Error vector magnitude 8PSK EDGE, Gaussian linearized filter,
rms <0.5 %, typ. 0.2 %
values measured with 30 kHz resolution
bandwidth, referenced to level in band
center without power ramping
level ≤10.5 dBm
frequency 400 MHz to 2 GHz
200 kHz offset <–34 dB, typ. –37 dB
400 kHz offset <–68 dB, typ. –71 dB
Power density spectrum
600 kHz offset <–80 dB, typ. –85 dB