| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MODEL 8556A 20 HZ TO 300 KHZ,AMPLITUDE ACCURACY PORM 0.6 DB HIGH RESOLUTION 10 HZ BANDWIDTH BUILT-IN 0.01 PERCENT CRYSTAL MARKERS TWO FREQ SCALES SELECTABLE 0-30 KHZ AND 0-300 KHZ,BUILT-IN TRACKING GENERATOR COUNTER OUTPUT FOR PRECISION FREQ MEASUREMENTS |