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Transmit modulation – Atec Rohde-Schwarz_FSL Series User Manual

Page 22

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R&S

®

FSL Spectrum Analyzer

Version 09.00, December 2008

22

Standard deviation

σ of spectrum emission mask measurement as a function of sweep time (T

sweep

)

Transmit modulation

Composite EVM

test case 6.7.1

Measurement range

1.0 % to 25 %

Inherent EVM

<1.9 %

Measurement uncertainty

test models 1 to 5
P > –40 dBm

<1 % (

σ = 0.3 %)

PMU: <2.5 %

Peak code domain error power
(PCDEP)

test case 6.7.2

Measurement range

–50 dB to 0 dB

0 dB to –50 dB

Inherent PCDEP

<

−50 dB (σ = 0.95 dB)

–30 dB < PCDEP

<0.15 dB (

σ = 0.05 dB)

PMU: <1.0 dB

–40 dB < PCDEP < –30 dB

<0.15 dB (

σ = 0.05 dB)

PMU: <1.0 dB

–50 dB < PCDEP < –40 dB

<0.15 dB (

σ = 0.05 dB)

PMU: <1.0 dB

Measurement uncertainty

–60 dB < PCDEP < –50 dB

<0.15 dB (

σ = 0.05 dB)

PMU: <1.0 dB

10

2

10

3

0

0.5

1

1.5

2

2.5

T

sw eep

in ms

S

tan

da

rd

de

v

iat

ion

in

d

B

relative (RBW : 30kHz)

absolute (RBW : 30kHz)