特点
·为生产、服务和发展而设计
·CRT06的RF测量
·视频测试
·适〓应高生产量时的高速测量
·独立、轻便、紧缩式设计
·被改进为GSM，GSM1800及GSM1900的测量设备
技术指标
| Time and frequency reference | |
| TCXO | standard |
| Nominal frequency | 10MHz |
| Temperfure effect(0 to 35℃) | <1.5*10^-6 |
| Aging | <0.5*10^-6/year |
| OCXO | option CMD-B1 |
| Nominal frequency | 10MHz |
| Temperatureeffect(0to 50℃) Aging | 1*10^-7 <5*10^-9/day or <2*10^-7/year |
| DECT signal generator | specificaitons validfor N connector |
| Frequency | 10 DECt chanels 0 to 9 |
| Additional DECT channels | -3 to -1,10 to 12and half channels |
| Level range | -100 to -40dBm |
| Burst switch-off | >30dB |
| Modulation | GFSK(B*T=0.5) |
| DECT analyzer | specifications valid for N connector |
| Frequency Level(setting for external offenuation and expected powershall be matching | same as signal generator |
| -10 to +30 to dBm) | -65 to +30dBm(for level meter) -30 to +30dBm(forbroadband FM demodulator and signalling),values shifted by about -40dB for input2 |
| FM demodulator | for TX postprocessing and analog output |
| Range | 0 to 450kHz deviation |
| Resolution | 1kHz |
| Level meter(transientresponse) | for TX posprocessing and analog output |
| Range | -65to 30 to dBm |
| Dynamic | 70dB |
| Analog DECT ADPCM interface | |
| Output | balanced |
| Range | 1V,300Hz to 3kHz |
| S/N+THD | 50dB of full-range level |
| Input | balanced |
| Range | 50mV,300Hzto 3kHz |
| S/N+THD | 50dB at full-range level |
| DC measurements | |
| DC voltmeter | 0to ±30V |
| DC ammeter | 0 to ±30A |
| AF meter | |
| Frequency range | 50Hzto 10kHz |
| Input voltage | 0.1mV to 30V |
| Load impedance | 1MΩ |
| AF distortion meter | |
| Frequency range | 300Hz to 3kHz |
| Input voltage | 100mV to 30V |
| Loadimpedance | 1MΩ |
| AF counter | |
| Frequency range | 20Hz to 10kHz |
| Input voltage | 10mVto 30V |
| rESOLUTION | 1Hz |
| Load impedance | 1mΩ |
| 60MHz counter | |
| Frequency range | 10Khz to 60MHz |
| Input signal | min:100mV;max:TTL signal |
| Resolution | 1Hz |
| Load impedance | 1MΩ‖100pF |
| AFgenerator | |
| Frequency range | 50Hzto 10kHz |
| Resolution | 0.1Hz |
| Accuracy | 0.05Hz |
| Output voltage | 10μV to5V |
| Max.current | 20mA |
| Source impedance | <5Ω |
订货信息
| Digital Radiocommunication Tester | CMD60 | 1050.9008.60 |
| GSM900,GSM1800,DECT | CMD65 | 1050.9008.65 |
| GSM900 and GSM1800 Extension | CMD-U65 | 1059.8104.02 |
