Cdma2000, Rf analyzer (r&s, Cmw-km800 option) – Atec Rohde-Schwarz-CMW500 User Manual
Page 60: Modulation analysis
Version 11.00, May 2013
60
Rohde & Schwarz R&S
®
CMW500 Wideband Radio Communication Tester
CDMA2000
®
RF analyzer (R&S
®
CMW-KM800 option)
Frequency range
band class 0
815.025 MHz to 848.985 MHz
band class 1
1850.000 MHz to 1910.000 MHz
band class 2
872.0125 MHz to 914.9875 MHz
band class 3
887.0125 MHz to 924.9875 MHz
band class 4
1750.000 MHz to 1780.000 MHz
band class 5
411.675 MHz to 483.480 MHz
band class 6
1920.000 MHz to 1979.950 MHz
band class 7
776.000 MHz to 794.000 MHz
band class 8
1710.000 MHz to 1784.950 MHz
band class 9
880.000 MHz to 913.750 MHz
band class 10
806.000 MHz to 900.975 MHz
band class 11
411.675 MHz to 483.475 MHz
band class 12
870.0125 MHz to 875.9875 MHz
band class 13
2500.000 MHz to 2570.000 MHz
band class 14
1850.000 MHz to 1915.000 MHz
band class 15
1710.000 MHz to 1755.000 MHz
band class 16
2502.000 MHz to 2568.000 MHz
band class 17
2502.000 MHz to 2567.950 MHz
band class 18
787.000 MHz to 700.000 MHz
band class 19
698.000 MHz to 716.000 MHz
Statistics
Statistical count
1 to 1000
Values
current, average, minimum/maximum,
standard deviation
Trigger
Trigger sources
BASE: external TRIG A,
BASE: external TRIG B,
GPRF: BB generator,
C2K: free run
Modulation analysis
Filter
1.23 MHz, RRC, α = 0.22, CDMA filter
Level range
–28 dBm to +42 dBm
46
Analysis modes
OQPSK,
HPSK
Measured parameters
numeric results and standard deviation
error vector magnitude (EVM),
magnitude error (ME),
phase error (PE),
frequency error,
rho,
carrier feedthrough,
I/Q imbalance,
power,
wideband power (8 MHz),
narrowband power (1.23 MHz)
graphical
EVM versus time,
ME versus time,
PE versus time
Waveform quality (rho)
Uncertainty
for rho 0.9 to 1
< 0.003
Measurement length
616 chip (0.5 ms)
Error vector magnitude (EVM)
Measurement range
up to 25 %, RMS
Inherent EVM
< 2.5 %, RMS
Measurement length
0.5 ms
46
The maximum permissible continuous power is +34 dBm due to thermal limits.