Channel RChannel AChannel B0° 360° I A, B :7-16 μA ppIR :2-8 μA pp135° ± 20°360° ± 60°Parameter Analog1 CountDigitalOutput SignalsIncremental signalsSignal levelsReference Mark signalsSignal levelPower SupplySquare-wave voltage signals.Channels A and B, in 90°quadrature relationshipTTL-levelSimilar phasing, but differentialsinusoidal current output7-16μA ppw/1 K Ohm loadSquare-wave pulseTTL-levelDifferential current output2-8μAppw/100 K Ohm loadIμAIμA5.1 ± 0.1 VDC @ 140 mA max. 5.1 ± 0.1 VDC @ 80 mA max.90°Electrical Specifications ENC150IOH=(High level output current) = 20mAV OH=(High level output voltage) >2.5VdcIOL =(Low level output current) = 20mAVOL =(Low level output voltage) < 0.5Vdc90°360°0°Channel R+10Channel A+ 10Channel A- 10Channel B+ 10Channel B- 10Channel R- 10ACU-RITE ® 18