ICOM艾可慕IC-7800_adj

IC-7800 ADJUSTMENT PROCEDURES1 PREPARATION BEFORE SERVICINGREQUIRED TEST EQUIPMENTEQUIPMENTGREDE AND RANGEEQUIPMENTGREDE AND RENGEAC outletVoltage:85V-265VFrequency range:300-3000HzAudio generator:1-500mVMeasuring range:10-200WMeasuring rangeRF power meterFrequency range:1.8-100MHzFrequency range:0.1-100MHz(terminated type)Impedance:502Standard signalOutput level:0.1uV-32mVSWRLess than 12:1generator (SSG)(-127to-17dBmFrequency range:0.1-100MHzDigital multimeterImput impeadance10 M/DC or beterFrequency counterFrequency accuracy+0.5 ppm or betterSensitivity100 mV or betterAC millivoltmeterMeasuring range:10mV-10VRF voltmeterFrequency range:0.1-100MHzDC voltmeterInput impedance50 ko/V DC or betterMeasuring range:0.01-10VDC ammeterMeasurement capability:1 A/30 AFM deviation meterFrequency rangeDC-500 MHzFrequency rangeAt least 90 MHzMeasuring range:0to±5kHzSpectrum analyzerSpectraum bandwidth 100 kHz or moreModulation analyzerFrequency rangeAt least 90 MHzPower attenuation50 or 60 dBMeasuring range:0-100%AttenuatorCapacity150 W or more:1kHz10%Distortion meterFrequency rangeInput impedance:8ΩMeasuring range:1-100%External speakerCapacity5 W or moreFrequency rangeDC-20 MHzOscilloscopeResistance:50and1502Measuring range:0.01-20VTerminatorCapacity150 W or more9