ICOM艾可慕IC-502_user操作说明书手册

SECTIONI SPECIFICATIONSGENERAL:Number of Semi-ConductorsTransistor16FETfICDiodes38Frequency Coverage50 MHz-51 MHzFrequemcy Stability±200Hz/HR@25°CMod.ulation Type(A3J),(A1)Antenna Impedance50 ohms unbalancedPower SupplyDC13.8V±15%Current DrainNegative GroundTransmittingA3JApprox.550mAA1Approx.700mAReceivingat Max.Audio OutputApprox.250mAwith no signalApprox.120mADial LightApprox.40mADimension183mm X 61mm X 162 (Hx Wx D)Net Weight2.1Kgs including batteriesTRANSMITTER:Frequencies50 MHz-51 MHzModulation TypA3J(USB)and A1RF Output PowerA3J3W(PEP)Al3WCarrier Suppressio.nBetter than 40 dBOpposite Side Band SuppressionBetter than 40 dB/1KHzSpurious RadiationBetter than-60 dBModulation SystemBalanced ModulationSSB Producing Syste mFilter TypeMicrophone Impedance600 ohmsRECEIVER:FrequenciesSame as TransmitterModulation TypeA3J (USB)and AlReceiving SystemSingle Super HeterodyneIntermediate Frequency10.7 MHzSensitivity0.5 uV at (S+N)/N 10 dB or betterSpurious ResponseBetter than-60 dBSelectivity+1.2 KHz or better at-6dBt2.4 KHz er better at -60 dBAudio Outp-tMore than 1WAudio Out.Impedance8 ohms