FT-200_Sommerkamp_FT-250_使用说明书手册

FT-200/250 SSB TRANSCEIVERThe FT200/250 Transceiver,for HF amateur bands 80 through 10 meters,is aprecision built high performance transceiver providing SSB (USB and LSB selectable),CWand AM modes of operation,with a single-tone power of 240W(approx.300W speech peakinput).High stability is obtained by use of a well designed heterodyne VFO,and the speciallydesigned 9 MC crystal filter ensures good voice quality.Its compact size,light weight,and attached carrying handle make it very suitable andconvenient for both home,portable,and mobile use.Other features include VOX,100 kc calibrator,5 kc receiver offset (clarifier)tuning andeasy connection for use of a Linear Amplifier.FP-200/250 matching AC power supply with built-in speaker is especially designed foruse with the Transceiver,A 12V DC supply;the DC-200/250 provides for mobile orfield use.GENERAL SPECIFICATIONSModesSSB (USB-LSB),CW,AMInput power240WFrequency range3.5-4;7-7.5；14-14.5；21-21.5;28.5-29.(crystals optionally available for ranges 28-28.5;29-29.5;29.5-30MC)Antenna impedance50-100ohmsFrequency stabilityAfter warm-up,within 100 cps/every 30 minutesCarrier suppression-40dBSideband suppression-50 dB at 1000 cpsThird order intermodulationDownloaded byproducts-30 dB (P.E.P.)RadioAmateur.EUA.F.bandwidth300-2700cpsReceiver sensitivity0.5 uV input S/N 10 dBSelectivity2.4kc(-6dB),4kc(-60dB)I.F.interference ratio50 dBImage ratio50 dBAudio output1W at 10%distortionAudio output impedance8 ohmsPower supplyAC or DC with separate power suppliesTubes semiconductors16 tubes,15 diodes,7 transistorsDimensions13'4”wide,5high,11”deepWeight17.51bs.(8kg)