Atec Rohde-Schwarz-CMW500 - Manual (Page 43)

Version 11.00, May 2013
Rohde & Schwarz R&S ® CMW500 Wideband Radio Communication Tester 43
WLAN ABG RF analyzer (R&S ® CMW-KM650 option)
Frequency range WLAN IEEE 802.11b/g 2412 MHz to 2484 MHz
WLAN IEEE 802.11a,
prerequisite: R&S
® CMW-KB036 option
5000 MHz to 6000 MHz,
for frequency exceptions for inherent
spurious response, see general technical
specifications
Statistics
Statistical count 1 to 1000
Values current, average, maximum, standard
deviation
Trigger
Trigger sources WLAN: free run,
WLAN: IF power
Modulation analysis
Filter 20 MHz
Level range –28 dBm to +42 dBm 23
Payload length ≥ 16 symbol or
≥ 403 byte
Analysis modes DSSS 1 Mbps DBPSK,
2 Mbps DQPSK,
5.5 Mbps CCK,
11 Mbps CCK
OFDM 6 Mbps BPSK,
9 Mbps BPSK,
12 Mbps QPSK,
18 Mbps QPSK,
24 Mbps 16QAM,
36 Mbps 16QAM,
48 Mbps 64QAM,
54 Mbps 64QAM
Measured parameters
DSSS,
numeric results and standard deviation
burst power,
error vector magnitude (EVM) peak,
error vector magnitude (EVM) RMS,
center frequency error,
chip clock error,
I/Q offset,
gain imbalance,
quadrature error
DSSS,
graphical EVM versus chip,
I/Q constellation
OFDM,
numeric results and standard deviation
burst power,
EVM all carriers,
EVM data carriers,
EVM pilot carriers,
center frequency error,
symbol clock error,
I/Q offset,
gain imbalance,
quadrature error
OFDM,
graphical EVM versus symbol,
EVM versus carrier,
I/Q constellation,
spectrum flatness
23 The maximum permissible continuous power is +34 dBm due to thermal limits.