产品信息
产品型号:CMD80
产品品Pai:R&S
产品指标:CDMA
详细说明
CMD80是一种能够对CDMA AMPS D-AMPS(TDMA)和TACS等各种类型移动站进行测量的测试仪器。在进行射频参数测量时，它可仿真移动站的真实工作环境，如模拟为三模式/双频段基站与移动站建立通话并在DUT处于正常通话状态下(非专门测试模式)时进行各项测量仪器可支持下列网络和频率波段:高测量速度以及远程控制功能，(通过 IEC/IEEE总线)CMD80使得测试仪适于在生产测试中使用仪器的高测量精度更是用于移动站开发研制所必需的特性。
CMD80技术指标
Signalgenerator
Frequency range, US Cellular 869MHz to 894MHz
GSM(US) 1930MHz to 1990MHz
GSM(Kored) 1805MHz to 1870MHz
Outputlevel RF IN/OUT -20dBm to -124 dBm
RFOUT2 0dBm to 105dBm
Modulation GPSK
Analyzer
Frequency range, Cellular 824MHzto 849MHz
GSM(US) 1850MHz to 1910MHz
GSM(Korea) 1715MHz to 1780MHz
Powermeasurement(feference level range)
RF IN/OUT (fullscale) +41 dBm to -28 dBm
RF IN2 (fullscale) 0 dBm to -69 dBm
Dynamic range 50dB below reference level
Demodulator O-QPSK
Modulation measurements signal quality(p)
phase error
magnitudeerror
error vector amplitued
carrier feedthraough
I/Qimbalance
cqrrier frequency error
transmission error
DCvoltoge measuremints Range 0 V to ±30V
DCcurrent measurements Range 0 A to ±10A
SignallingDigital modes 1595,UB-IS95,J-STD008,T53
D-AMPS;optionCMD-B84
Frequency rqnge, Cellular 869MHzto 894MHz
GSM 1930MHz to 1990MHz
Output level RF IN/OUT -17 dBm to -131 dBm
RF OUT2 +3 dBm to -112dBm
Modulation π/4DQPSK or unmodulated
Analyzer
Frequency range, Celluar 824MHz to 849MHz
GSM 1850MHz to 1910MHz
Powermeasurement(referene level range)
RF IN/OUT(fullscale) +39dBm to -60 dBm
RF IN2(full scale) -2dBm to -100 dBm
Power ramp
Adjacent-channel power
Modulationmeasurements phase error
magnitudeerror
error vector amplitued
carrier feedthraough
I/Qimbalance
cqrrier frequency error
Bit error rate measurement
SignallingDigital modes IS 136,IS54
RF signal generator
Frequency range
AMPS 869MHz to 894MHz
N-AMPS 869 MHz to 894MHz
TACS 935 MHz to 960MHz
J-TACS 860MHz to 870MHz
E-TACS 917 MHz to 950MHz
N-TACS 843 MHz to 846MHz
863.5MHzto 867MHz
Output level
RF IN/OUT -20 dBm to -124 dBm
RFIN2 0 dBm to -105 dBm
FM modulation
RF analyzer
Frequencyrange
AMPS 824 MHz to 849 MHz
N-AMPS 824 MHz to 849 MHz
TACS 890MHz to 915 MHz
J-TACS 915 MHz to 925 MHz
E-TACS 872 MHz to 905 MHz
N-TACS 898 MHz to 901 MHz
918.5MHz to 922 MHz
Referenec level
RF IN/OUT 0 dBm to +41 dBm
RFIN2 0 dBm to -69 dBm
FM demodulation
Signaling analog signalling AMPS(IS95)
NAMPS,TACSMJ/E/N-TACS
Audiosource
Frequency 50 Hz to 4kHz(single tone)
Output voltage Range 0.1mVto 5V,rms
AF analyzer
Measurements frequency
AC voltage
THD
D SINAD
