技術(shù)指標(biāo) Time andfrequency reference TCXO standard Nominalfrequency 10MHz Temperfureeffect(0 to 35℃) <1.5*10^-6 Aging <0.5*10^-6/year OCXO optiONCMD-B1 Nominalfrequency 10MHz Temperatureeffect(0to 50℃) Aging 1*10^-7 <5*10^-9/day or <2*10^-7/year DECT signalgenerator specificaitonsvalidfor N connector Frequency 10 DECt chanels0 to 9 Additional DECTchannels -3 to -1,10 to12and half channels Levelrange -100 to-40dBm Burstswitch-off >30dB Modulation GFSK(B*T=0.5) DECTanalyzer specificationsvalid for N connector Frequency Level(setting for external offenuation and expected powershall bematching same as signalgenerator -10 to +30 todBm) -65 to+30dBm(for level meter) -30 to +30dBm(forbroadband FM demodulator and signalling),valuesshifted by about -40dB for input2 FMdemodulator for TXpostprocessing and analog output Range 0 to 450kHzdeviation Resolution 1kHz Levelmeter(transientresponse) for TXposprocessing and analog output Range -65to 30 todBm Dynamic 70dB Analog DECTADPCM interface
Output balanced Range 1V,300Hz to3kHz S/N+THD 50dB offull-range level Input balanced Range 50mV,300Hzto3kHz S/N+THD 50dB atfull-range level DCmeasurements
DCvoltmeter 0to±30V DCammeter 0 to±30A AFmeter
Frequencyrange 50Hzto10kHz Inputvoltage 0.1mV to30V Loadimpedance 1MΩ AF distortionmeter