Rohde & Schwarz SME02 - Vector Error (NADC Standard IS-54)

SME Test Procedure
1038.6002.02 5.33 E-13
[dBm]
0
-50
-100
835,9 945 836,1 [MHz]
Fig. 5-2 Spectrum with QPSK
5.2.34.2 Vector Error (NADC Standard IS-54)
Test equipment FSEA with option FSE-B7 (Section 5.1, item 23)
Test setup Connect FSEA to the RF output socket of the SME
Measurement À Settings at the SME
- Carrier frequency 900 MHz,
- Level 7 dBm,
in menu DIGITAL MOD/QPSK
- SOURCE PRBS,
- PRBS 23 bit,
- SELECT STANDARD NADC .
À Settings at the FSE
- PRESET
- CENTER 900 MHz
- REF 10 dBm
- MODE VECTOR ANALYZER
- DIGITAL STANDARDS NADC ENTER
- TRIGGER FIND BURST OFF
- MODE MEAS RESULTS
- SYMB TABLE/ERRORS
RMS vector error ......................................... <2.5% (1.3% typically)