黄先生 1.3.7.1.4.8.8.4.8.3.4-------------------------------
特点
·可测量GSM，GSM1800及GSM1900
·CRT06的RF测量
·适应高生产量时的高速测量
·独立、轻便、紧缩式设计
·通过RS232，IEC/IEEE远控
·前面板有多功能连接器
·话音编码器/解码器可被集成
·可选择安培表和伏特表
·视频测试
·高敏感度二级RF输入
技术指标
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
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
