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Chapter 18 209
Single Acquisition Combined WLAN Measurement Application
N9077A, Combined WLAN 802.11b or 802.11g-DSSS Measurements
Currier Suppression
UUT Maximum Suppression –10 dBc (nominal)
Analyzer Noise Floor –46 dBc (nominal)
Frequency
Range ±100 kHz (nominal)
Accuracy
±10 Hz+tfa
c
a. ML (mixer level) is RF input power minus attenuation
b. The accuracy specification applies when the EVM to be measured is well above the measurement
floor. When the EVM does not greatly exceed the floor, the errors due to the floor add to the accuracy
errors. The errors due to the floor are noise-like and add incoherently with the UUT EVM. The errors
depend on the EVM of the UUT and the floor as follows: error = sqrt(EVMUUT
2
+ EVMsa
2
) -
EVMUUT, where EVMUUT is the EVM of the UUT in percent, and EVMsa is the EVM floor of the
analyzer in percent.
c. tfa = transmitter frequency frequency reference accuracy.
Description Specifications Supplemental Information