R&S CMD55

特点

·是测量GSM移动电话的紧缩式单元
·高测量精度
·*测量
·能力范围包括发射信号、发生器、实现正确操作的测量功能及*的测量分析
·使用生产与服务领域

技术指标

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 *ysis	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)

型号/规格

CMD55

品牌/商标

R&S