Atec Rohde-Schwarz-CMW500 - Manual (Page 22)

Version 11.00, May 2013
22 Rohde & Schwarz R&S ® CMW500 Wideband Radio Communication Tester
Power versus time measurement
Filter selectable Gaussian, 500 kHz or 1 MHz
Dynamic range filter → 500 kHz, Gaussian,
with fixed expected nominal power setting
GMSK > 72 dB, RMS
8PSK, 16QAM (level A) > 69 dB, RMS
Expected nominal power setting for full
dynamic range RF1 COM, RF2 COM –8 dBm to +42 dBm 10
Relative measurement uncertainty result > –40 dB typ. < 0.1 dB
–60 dB ≤ result ≤ –40 dB typ. < 0.5 dB
Burst power measurement
Level range –50 dBm to +42 dBm 10
Level uncertainty filter → 500 kHz or 1 MHz, Gaussian see general technical specifications
Spectrum due to modulation measurement
Expected nominal power setting for full
dynamic range RF1 COM, RF2 COM –8 dBm to +42 dBm 10
Test method relative measurement, averaging
Filter Gaussian, 30 kHz, 5 pole
Measurement at an offset of ± 100/200/250/400/600/800/1000/1200/
1400/1600/1800 kHz
Dynamic range offset ≥ 1200 kHz
GMSK > 74 dB
8PSK, 16QAM (level A) > 70 dB
Spectrum due to switching measurement
Expected nominal power setting for full
dynamic range RF1 COM, RF2 COM –8 dBm to +42 dBm 10
Test method absolute measurement, max. hold
Filter Gaussian, 30 kHz, 5 pole
Measurement at an offset of ± 400/600/1200/1800 kHz
Dynamic range offset ≥ 1200 kHz
GMSK > 72 dB
8PSK, 16QAM (level A) > 68 dB
GSM signaling (prerequisite: R&S ® CMW-KS200, R&S ® CMW-KS201,
R&S ® CMW-KS203, R&S ® CMW-B200A, R&S ® CMW-B210A options;
additionally R&S ® CMW-KS210 option and R&S ® CMW-KS211)
Frequency range
GSM850 band, GSM900 band, GSM1800
band, GSM1900 band DL see GSM RF generator specifications
UL see GSM RF analyzer specifications
Frequency setting channel number
Output level range depending on PAR and additional 6 dB
level margin see general technical specifications
with DLDC: depending on PAR and
additional 9.3 dB level margin see general technical specifications
Output level resolution see general technical specifications
Output level uncertainty see general technical specifications
Modulation
Inherent phase error GMSK < 1°, RMS
< 4°, peak
10 The maximum permissible continuous power is +34 dBm due to thermal limits.