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FC-1300 The model FC-1300 is a RF-Frequency Counter.designed for system and bench use with max 9 digits,resolution featuring RS-23C and GPIB interfaces with full remote control capability.The frequency range is from 10Hz to 3GHz(Option 3;5GHz)and High speed,High resolution Measurements are possible .it is also equipped with the measurement functions for period,peak voltage and auto trigger,auto limiting test.The model FC-1300 is suited for use in R&D sections and production line such as cellular phone,personal radios,pagers and other equipment.Wide frequencyrange CH 1:10Hz~220MHz CH 2:100MHz~3GHz(Option 3;5GHz) High resolution and high speed measurement using expanding reciprocal technique Possible to measure the period,peak voltage Select the trigger level(Auto/Manual)Built tn auto limit testing Save and recall function Interface to RS-232C,GPIB(Option 1;GPIB) Soft rubber keyBright easy to view display using fluorescent display tube产品规格 CHANNEL 1Frequency range10Hz~220MHzResolution9 digits/secSensitivity (impedance:50Ω）100KHz~100MHz:>-20dBm(22mVrms)100KHz~200MHz:>-13dBm(50mVrms)Max input level5Vrms MAXInput conditioningImpedance:1MΩ or 50Ωcoupling:AC or DCLPF:100KHz,switchableAttenuator:X1 or X10Trigger levelAuto Trigger:Set level by percent of Signal levelManual Trigger:Set level by absolute VoltageMeasurementsPeriod(usec),peak voltage(±5Vmax,0.01 step)CHANNEL2Frequencu range100MHz~3GHzResolution9digits/secSensitivity100MHz~2GHz:>-32dBm2GHz~3GHz:>-25dBmMax input level5Vrms MAXAnalysis Automatic limit testingGating time 0.1sec,0.5sec,1sec,10sec selectactableTime baseInternalFrequency:10MHzStability:Standard:0.5ppm.TCXOExternalFrequency:10MHz Input level:0.2Vrsm~5Vrms@impedance 1kΩ Interface RS~232C,GPIB(Option1)Power 100/120/220/230/VAC,50/60HzSize and Weight 100mm(H)×210mm(W)×350mm(D),3.6kgOption Otion1:GPIB Interface Option2:High stabilty OCXO（±×10-8）Otion3:5GHz channel