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Diffstat (limited to '1757/CH6/EX6.5/EX6_5.sce')
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1 files changed, 27 insertions, 0 deletions
diff --git a/1757/CH6/EX6.5/EX6_5.sce b/1757/CH6/EX6.5/EX6_5.sce new file mode 100755 index 000000000..71241b7dc --- /dev/null +++ b/1757/CH6/EX6.5/EX6_5.sce @@ -0,0 +1,27 @@ +// Example6.5 // Design a summing amplifier circuit to provide the output voltage Vo = -(7 V11 + 15 V12 + 10 V13 + 3 V14)
+clc;
+clear;
+close;
+R2 = 630*10^3 ; // Assume feedback resistance
+// Vo = -(7 V11 + 15 V12 + 10 V13 + 3 V14); equation 1
+// the output of the summer circuit is given as
+// Vo = -R2((Via/Ria)+(Vib/Rib)+(Vic/Ric)+(Vid/Rid)) equation 2
+
+// compare equation 1 and 2 of Vo we get
+
+// (R2/Ria)= 7 ;
+// (R2/Rbi= 15 ;
+// (R2/Ric)= 10 ;
+// (R2/Rid)= 3 ;
+
+Ria = R2/7 ;
+disp('the value of resistance Ria is = '+string(Ria)+' ohm');
+
+Rib = R2/15 ;
+disp('the value of resistance Rib is = '+string(Rib)+' ohm');
+
+Ric = R2/10 ;
+disp('the value of resistance Ric is = '+string(Ric)+' ohm');
+
+Rid = R2/3 ;
+disp('the value of resistance Rid is = '+string(Rid)+' ohm');
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