GSM1900 data are only applicble toCRTP 02 |
Analog unit | |
Signal generator | |
Frequency range | GSM 900 GSM 1800 GSM 1900 | 935.2 to 959.8 MHz 1805.2 to 1879.8 MHz 1930.2 to 1989.8 MHz |
Temperature variation | <2×10^-9/℃ |
Maximum output level | 13 dBm |
Staticattenuation setting | 0 to 35 dB |
Resolution | 5dB |
Dynamic attenuation | 0to 35 dB(electronic) |
Modulation | GMSK,bit rate 270 833 bit /s .to GSM Spec.05.04 |
Amalyaer | |
Frequency range | GSM 900 GSM1800 GSM1900 | 890.0 to 914.8 MHz 1710.0 to 1784.8 MHz 1930.2 to 1989.8 MHz |
Reference level for full dynamic range |
| GSM900 | 13 to +47 dBm(RF IN/OUT) -17to -19 dBm(RF IN2) |
| GSM1800/1900 | 9 to +36 dBm(RF IN/OUT) -21to +6 dBm(RF IN2) |
RFinputs/ourputs | |
Fadingsimulator | 2 N commectors,50Ω(output level 8 to 13 dBm) |
RFIN/OUT and RF IN2 | Nconnectors,50Ω |
Digital unit | |
CPU | |
Processor | 80486DX |
RAM | 8 Mbyte |
Floppydisk drive | 31/2",1.44Mbyte |
Haurd disk | 200 Mbyte |
Graphics | VGA |
Interfaces | parallel Centronics, RS-232-C |
Channels supported | CO channels with H+SCH+H+H+CBCH+H/4+H traffic channel(voiceand data)with TCH+H+H, H/8+H |
AFMeasurement Unit(CRTP-B1) | |
AFgenerator | |
Signal source | singleor dualtone |
Frequemcy range | 20Hz to 20 kHz |
Output voltage | 10μV to 5 Vrms |
AF voltmeter | |
Operating modes | RMS,+peak,peak |
Frequencyrange | 50 Hz to 5 kHz |
Voltagerange | 0.1 mV to 30 Vrms |
Weightingfilter | CCITT filter,complying with CCITT 0.41 |
Distortion meter | |
Frequencyrange | 20 Hz to 20 kHz |
Measurementrange | 0 to 50% |
AF frequencycounter | |
Frequency range | 50Hz to 5 kHz |
Resolution | 0.1Hz/1 Hz |
Input voltage range | 10 mV to 30V(upto 20kHz) |
DC measurements | |
Voltage/current | 0 to ±30V/0 to ±10A |
I/Q Inputs/outputs(CRTP-B7) | |
Input level/output level | ±1.5 VPP Theoption is required separately for each of thetwo channels of CRTC02/CRTP02 |