二手CDMA测试仪 CMD80 数字综合测试仪[产品打印页面]

特点
·生产、发展、质量控制及服务领域CDMA、   D-AMPS及模拟测量
·精密、快速测量
·高灵活性
·易于使用

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