Spectrum measurements – Atec Rohde-Schwarz-CMW500 User Manual
Page 34
Version 11.00, May 2013
34
Rohde & Schwarz R&S
®
CMW500 Wideband Radio Communication Tester
Frequency error
Measurement range
±80 kHz
Frequency measurement uncertainty
< 20 Hz
18
+ drift of timebase,
see general technical specifications
I/Q origin offset
Inherent I/Q offset
< –50 dB
Inband emissions
Dynamic range
allocated resource blocks ≤ 50,
f
RF
< 3300 MHz
> 50 dB
allocated resource blocks ≤ 50,
f
RF
> 3300 MHz
> 47 dB
Expected nominal power setting for full
dynamic range
RF1 COM, RF2 COM
see general technical specifications
Equalizer spectrum flatness
allocated resource blocks ≤ 50
Level uncertainty
< 0.5 dB
Spectrum measurements
Adjacent channel leakage ratio
Filter E-UTRA
rectangle 1.08 MHz, 2.7 MHz, 4.5 MHz,
9 MHz, 13.5 MHz, 18 MHz
UTRA
1.28 MHz, RRC, α = 0.22, WCDMA filter
Dynamic range
E-UTRA, f
RF
< 3300 MHz
> 45 dB
E-UTRA, f
RF
> 3300 MHz
> 42 dB
UTRA, f
RF
< 3300 MHz
> 56 dB
UTRA,
f
RF
> 3300 MHz
> 53 dB
Expected nominal power setting for full
dynamic range
RF1 COM, RF2 COM
see general technical specifications
Spectrum emission mask (SEM)
Frequency span
70 MHz
Noise floor
RBW → 1 MHz, f
RF
< 3300 MHz
< –35 dBm
RBW → 1 MHz, f
RF
> 3300 MHz
< –32 dBm
RBW → 100 kHz, f
RF
< 3300 MHz
< –40 dBm
RBW → 100 kHz, f
RF
> 3300 MHz
< –37 dBm
RBW → 30 kHz, f
RF
< 3300 MHz
< –45 dBm
RBW → 30 kHz, f
RF
> 3300 MHz
< –42 dBm
18
For frequency error measurements relative to the downlink signal of the same R&S
®
CMW500, the uncertainty is in line with 3GPP TS 36.521-1 V9.3.0.