供应德国罗德&施瓦茨CMD65综合测试仪 品牌：R&S（罗德&施瓦茨）
型号：CMD65综合测试仪
CMD65可靠性测量速度和性价比是使
一种测试设备在市场上获得优势地位的关键性指标。
在DECT( 数字欧洲无绳电话) 无线通信网络中大量的无线电话和固定站，
CMD65必须分享十分有限的频率时间和空间资源。
因此只有制订严格的标准或规范才能保证网络正常有序的运转。
另一方面标准又要求DECT系统以及系统使用的话机应具有低廉的价格。
CMD65这一点导致设 备结构复杂性和精度受到限制。
技术指标
Time and frequency reference TCXO standard Nominal frequency 10MHz Temperfure effect(0 to 35℃) <1.5*10^-6 Aging <0.5*10^-6/year OCXO option CMD-B1 Nominal frequency 10MHz Temperatureeffect(0to 50℃) Aging 1*10^-7 <5*10^-9/day or <2*10^-7/year DECT signal generator specificaitons validfor N connector Frequency 10 DECt chanels 0 to 9 Additional DECT channels -3 to -1,10 to 12and half channels Level range -100 to -40dBm Burst switch-off >30dB Modulation GFSK(B*T=0.5) DECT analyzer specifications valid for N connector Frequency Level(setting for external offenuation and expected powershall be matching same as signal generator -10 to +30 to dBm) -65 to +30dBm(for level meter) -30 to +30dBm(forbroadband FM demodulator and signalling),values shifted by about -40dB for input2 FM demodulator for TX postprocessing and analog output Range 0 to 450kHz deviation Resolution 1kHz Level meter(transientresponse) for TX posprocessing and analog output Range -65to 30 to dBm Dynamic 70dB Analog DECT ADPCM interface Output balanced Range 1V,300Hz to 3kHz S/N+THD 50dB of full-range level Input balanced Range 50mV,300Hzto 3kHz S/N+THD 50dB at full-range level DC measurements DC voltmeter 0to ±30V DC ammeter 0 to ±30A AF meter Frequency range 50Hzto 10kHz Input voltage 0.1mV to 30V Load impedance 1MΩ AF distortion meter Frequency range 300Hz to 3kHz Input voltage 100mV to 30V Loadimpedance 1MΩ AF counter Frequency range 20Hz to 10kHz Input voltage 10mVto 30V rESOLUTION 1Hz Load impedance 1mΩ 60MHz counter Frequency range 10Khz to 60MHz Input signal min:100mV;max:TTL signal Resolution 1Hz Load impedance 1MΩ‖100pF AFgenerator Frequency range 50Hzto 10kHz Resolution 0.1Hz Accuracy 0.05Hz Output voltage 10μV to5V Max.current 20mA Source impedance <5Ω
粤公网安备 44030702000865号
