Question

Show houw to mke a two-digitdigikl -to -onalooconverter b scalina the input resislors in a Somm ind omals The dital inpuoo digts each consistin of Sour lines that rpresen the values 1,4,and 8 or the repetive diait . An ineul line is either aㅓ +1 olt or a rounde the eghi lines represent 1, 3,4, 20 40, and 80. Sine op amp out puts generall connot swing beyond士13 o will hare to setle Sor an out putn volts eqeal to one-tenth the valve oS the inyt number Cnnol Swin s ea va one Den

Answer 1

Given dat le digital ineput %0pxoynly hoo digdy . Each ConsijHn Shoo balouo Output 2322222 22 0 1b 2 by 128 g-loyd DAc block diagramノ( Summing amplieio)

Rj. And im 0-1 느

(3 variicetion