Result display, Adjustable parameters, Measurement uncertainty (nominal) – Atec Rohde-Schwarz_FSL Series User Manual

Page 29

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Version 09.00, December 2008

R&S

®

FSL Spectrum Analyzer

29

Result display

EVM all carriers
EVM pilots
EVM payload
I/Q offset
gain imbalance
quadrature error
center frequency error
symbol clock error
mean burst power

Result list

min./mean/max. values

crest factor
full burst

Power versus time

rising/falling edge
EVM versus symbol

EVM

EVM versus carrier
frequency error versus preamble

Error versus preamble

phase error versus preamble
spectrum mask (IEEE & ETSI),
ACP (IEEE 802.11j: abs./rel.), spectrum
FFT

Spectrum

spectrum flatness
constellation diagram

Constellation

constellation versus carrier
bit stream
signal field

Statistics

CCDF
result list
EVM
spectrum mask

Limit check

values in line with standard

ACP

Adjustable parameters

phase ON/OFF
timing ON/OFF

Pilot tracking

level ON/OFF
data

Channel estimation

preamble

Measurement uncertainty (nominal)

5

level

23 dBm to +15 dBm,

average of 20 bursts

IEEE 802.11a/g/j signal

IEEE 802.11n signal 20 MHz

input RF, f = 2.4 GHz / 5 GHz

channel estimation =
preamble

–37 dB / –35 dB

–36 dB / –33 dB

Residual EVM

channel estimation = data

–40 dB / –38 dB

–40 dB / –36 dB

Frequency error

Lock range

40 ppm

Uncertainty

1 Hz + reference frequency uncertainty

test of spectrum mask

0.2 dB

output power

f < 3 GHz

0.5 dB

3 GHz

 f  6 GHz

0.8 dB

Level uncertainty

ACPR

0.5 dB

Spectrum flatness

0.5 dB

5

Valid for R&S

®

FSL3 without tracking generator: serial number

≥100838, R&S

®

FSL6 without tracking generator: serial number

≥100675,

R&S

®

FSL3 with tracking generator: serial number

≥100704, R&S

®

FSL6 with tracking generator: serial number

≥100605.

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