- 產品品牌：
- 羅德&施瓦茨Rohde&Schwarz
- 產品型號：
- CMD65
特點 ·可測量GSM，GSM1800及GSM1900
·CRT06的RF測量
·適應高生產量時的高速測量
·獨立、輕便、緊縮式設計
·通過RS232，IEC/IEEE遠控
·前面板有多功能連接器
·話音編碼器/解碼器可被集成
·可選擇安培表和伏特表
·視頻測試
·高敏感度二級RF輸入 技術指標
| Time andfrequency reference | |
| TCXO | standard |
| Nominalfrequency | 10MHz |
| Temperfureeffect(0 to 35℃) | <1.5*10^-6 |
| Aging | <0.5*10^-6/year |
| OCXO | optionCMD-B1 |
| Nominalfrequency | 10MHz |
|
Temperatureeffect(0to 50℃) Aging |
1*10^-7 <5*10^-9/day or <2*10^-7/year |
| DECT signalgenerator | specificaitonsvalidfor N connector |
| Frequency | 10 DECt chanels0 to 9 |
| Additional DECTchannels | -3 to -1,10 to12and half channels |
| Levelrange | -100 to-40dBm |
| Burstswitch-off | >30dB |
| Modulation | GFSK(B*T=0.5) |
| DECTanalyzer | specificationsvalid for N connector |
|
Frequency Level(setting for external offenuation and expected powershall bematching |
same as signalgenerator |
| -10 to +30 todBm) |
-65 to+30dBm(for level meter) -30 to +30dBm(forbroadband FM demodulator and signalling),valuesshifted by about -40dB for input2 |
| FMdemodulator | for TXpostprocessing and analog output |
| Range | 0 to 450kHzdeviation |
| Resolution | 1kHz |
| Levelmeter(transientresponse) | for TXposprocessing and analog output |
| Range | -65to 30 todBm |
| Dynamic | 70dB |
| Analog DECTADPCM interface | |
| Output | balanced |
| Range | 1V,300Hz to3kHz |
| S/N+THD | 50dB offull-range level |
| Input | balanced |
| Range | 50mV,300Hzto3kHz |
| S/N+THD | 50dB atfull-range level |
| DCmeasurements | |
| DCvoltmeter | 0to±30V |
| DCammeter | 0 to±30A |
| AFmeter | |
| Frequencyrange | 50Hzto10kHz |
| Inputvoltage | 0.1mV to30V |
| Loadimpedance | 1MΩ |
| AF distortionmeter | |
| Frequencyrange | 300Hz to3kHz |
| Inputvoltage | 100mV to30V |
| Loadimpedance | 1MΩ |
| AFcounter | |
| Frequencyrange | 20Hz to10kHz |
| Inputvoltage | 10mVto30V |
| rESOLUTION | 1Hz |
| Loadimpedance | 1mΩ |
| 60MHzcounter | |
| Frequencyrange | 10Khz to60MHz |
| Inputsignal | min:100mV;max:TTL signal |
| Resolution | 1Hz |
| Loadimpedance | 1MΩ‖100pF |
| AFgenerator | |
| Frequencyrange | 50Hzto10kHz |
| Resolution | 0.1Hz |
| Accuracy | 0.05Hz |
| Outputvoltage | 10μVto5V |
| Max.current | 20mA |
| Sourceimpedance | <5Ω |
| Mobile StationTester | ||
| GSM900 | CMD50 | 1050.9008.50 |
| GSM900 | CMD52 | 1050.9008.52 |
| GSM900 andCSM1800 | CMD53 | 1050.9008.53 |
| GSM900 andGSM1800 | CMD55 | 1050.9008.55 |
| GSM900,andGSM1800 and DECT | CMD65 | 1050.9008.65 |
| For all modelGSM1900 optional | CMD-B19 | 1059.6201.02 |
