4105 GSM1900移动电话测试仪
特点
·快速而完全地,立即测试出移动电话在工作或出现故障—方便、便宜、易于适合于任何柜台
·适合于所有GSM系统
·通过Internet可以免费升级
·Go/NoGo测试
·故障查找
·异步模式:用于调谐或定位移动电话。在异步模式下,可以发送不同的测试参数,并检测信号类型。
·突发脉冲边沿故障批示器能够检测出功率/时间模板中的故障。
·远程控制可以通过SCPI命令对测试仪进行RS232控制。

技术指标
-RX Level -Burst Shape
-RX Qual -MS Call
-MS Power -BS Call
-BER/FER -Hand-off
-MS Sensitivety -Hand-over
-PhaseError -Power/Time Template
-FrequencyError -MS Into
-Burst Timing -Audio Echo
·RF Signal Generator
  Wavetek 4103 Series
Frequencyrange  
GSM900: 935 to 960 MHz(Channel 1 to 124)
E-GSM 900: 925 to 935MHz(Channel 975 to10
Key GSM Measurements &
Call Processing
 
-RX Level -BurstShape
-RX Qual -MS Call
-MS Power -BSCall
-BER /FER -Hand-off
-MS Semsitivity -Hand-over
-Phase Error -Power/Time Template
-Frequency Error -MS Info
-Burst Timing -Audio Echo
23)
GSM 1800: 1805 to 1880MHz(Channel 512to 885)
GSM00: 1930 to90MHz(Channel512 to 810)
Frequencyerror 1ppm
Output powr level -45 to -110dBmGSM/E-GSM
-50 to -110dBm GSM1800/GSM00
Output power level accuracy <1.0 dB GSM/E-GSM
<1.0dB GSM1800/GSM1900
Output level resolution 0.1dB
Modulation Gaussian minimum shift keying
(GMSK),B*T=0.3
·Tx Measurement
RF power measurement (burtst)  
Input power level  
Inputpower level accuracy  
Inputpower measurement resolution  
Frequecnyrange
GSM 900: 890to 915MHz (Channel 1 to 124)
E-GSM900: 880to 890MH(Channel 975 to 1023)
PCN/GSM 1800: 1710to 1785MHz(Channel 512 to 885)
PCS/GSM00: 850to10MHz(Channel 512 to 810)
Frequency error measurement accuracy (within 5 kHz mobile=referencefrequency offset >25Hz GSM
>50Hz GSM 1800/GSM00
Phase error measurement accuracy(within measurementrange 1.5° to 20°rms) >1.5°rms GSM
2.0°rms GMS 1800/1900
Power/TimeTeplate Samples/Bit(Burst):4(>812)
Reference:Bit 13 of the training sequence
Dynamic range:40 dB
·General Data
·Temperature range...................+15℃to +35℃(Working)
·....................................-30℃ to 50℃(Storage)
·Power Consumption................................15 Wstts
·Size and Weight.............................250*1109*95mm
·Interfaces
·RF:...................................................TNC
·Data exchange:...................................RS-232-C
·Printing:......................................Centronics
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