黃先生:1.3.7.1.4.8.8.4.8.3.4----------------------------------------------------
特點
·是測量GSM移動電話的緊縮式單元
·高測量精度
·高速測量
·能力范圍包括發射信號、發生器、實現正確操作的測量功能及的測量分析
·使用生產與服務領域
技術指標
RFgenerator
Frequencyrange
935.2 to 959.8MHz(GSM channel spacing)
Frequencysettling time
≤3ms for phaseerror<2°
Output level(RF IN/OUT)
-33 to -120dBm
Output level(RF OUT 2)
13 to -77dBm
Resolution
0.1dB
Harmonics (RFIN/OUT)
<-30dBc
Modulation
GMSK,B×T=0.3
RF generator2
same as RFgenerator 1,but
Outputlevel(RFIN/OUT)
-35 dBm (RF OUT2: 11 dBm)
Peak powermeter(RF IN/OUT)
Frequencyrange
800to 1000MHz
Measurementrange/resolution
10to 47 dBm/0.1dB
VSWR
≤1.3
GSM phase andfrequency
errormeasurement
withoptionCMD-B4
Frequencyrange
890.2to 914.8MHz(GSM900 band)
Level range (RFIN/OUT
10to 47 dBm(RFIN 2:-37 to 0 dBm)
High-dynamicburst analysis
with optionCMD-B42
Relativeerrorof individual test sample
≤1.5 dB to 72dB below peak power
Dynamicrange
>72dB
Measurementlimit (RF IN/OUT)
<-36 dBm(RFIN 2:<-83 dBm)
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