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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
我们的大多数设备在装运之前均经过严格的质量检测与校验。也可申请国家计量证书。
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