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30 minutes of Dave twiddling knobs on a 2nd hand 50MHz Tektronix 2225 analog oscilloscope - it's right here! Who else can get so excited about a 500uV/div vertical scale? Теги: tektronix,oscilloscope,analog,analouge,scope,2nd,hand,ebay,craigs,list,2225,calibration,cal,check,waveform,crt,dual,trace,50mhz,vertical,scale,triggering,horizontal,tutorial,sweep,how,to,guide
