Atec R-S-CMU200 - Manual (Page 18)

18 R&S ® CMU200 Universal Radio Communication Tester Version 09.00, October 2008
TDMA specifications – mobile station test
RF generator
signaling mode
US Cellular 869 MHz to 894 MHz
Frequency range
PCS (US) 1930 MHz to 1990 MHz
Frequency range non-signaling mode 10 MHz to 2200 MHz
Frequency resolution non-signaling mode 1 Hz
Frequency uncertainty same as timebase,
see base unit specifications
Output level range
RF 1 –130 dBm to –32 dBm
RF 2 –130 dBm to –15 dBm
RF 3 OUT –90 dBm to +8 dBm
Output level resolution 0.1 dB
Output level uncertainty see base unit specifications
Modulation π/4 DQPSK or unmodulated
(non-signaling mode)
Uncertainty EVM <2.5 %, rms
Carrier suppression >40 dB
RF analyzer
signaling mode
US Cellular 824 MHz to 849 MHz
Frequency range
PCS (US) 1850 MHz to 1910 MHz
Frequency range non-signaling mode 10 MHz to 2200 MHz
Frequency resolution non-signaling mode 1 Hz
Frequency uncertainty same as timebase,
see base unit specifications
Modulation analysis
signaling mode
US Cellular 824 MHz to 849 MHz
Frequency range
PCS (US) 1850 MHz to 1910 MHz
<2.0 %, rms EVM residual
<4 %, peak
I/Q offset residual <–50 dB (0.3 %)
I/Q imbalance residual <–50 dB (0.3 %)
Frequency measurement range –2 kHz to +2 kHz
Frequency measurement uncertainty ≤5 Hz + drift of timebase,
see base unit specifications