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Rohde&Schwarz CMD80
特點(diǎn)·生產(chǎn)、發(fā)展、質(zhì)量控制及服務(wù)領(lǐng)域CDMA、 D-AMPS及模擬測(cè)量·精密、快速測(cè)量 ·高靈活性 ·易于使用
技術(shù)指標(biāo)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
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