diff options
Diffstat (limited to '2561/CH8/EX8.7')
| -rwxr-xr-x | 2561/CH8/EX8.7/Ex8_7.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/2561/CH8/EX8.7/Ex8_7.sce b/2561/CH8/EX8.7/Ex8_7.sce new file mode 100755 index 000000000..d44367936 --- /dev/null +++ b/2561/CH8/EX8.7/Ex8_7.sce @@ -0,0 +1,20 @@ +//Ex8_7
+clc
+if=100*10^(-6)
+disp("if = "+string(if)+" ampere") //Full-Scale deflection current
+Av=1*10^(5)
+disp("Av= "+string(Av)) //Voltage gain
+vs=10*10^(-3)
+disp("vs= "+string(vs)+" volts") // Input voltage
+RM=100
+disp("RM= "+string(RM)+ " ohm") // Moving coil Ammeter internal resistance
+Ri=10*10^(3)
+disp("Ri= "+string(Ri)+ " ohm") //Input resistance of OP-AMP
+R1=vs/if
+disp("R1=vs/if= "+string(R1)+ " ohm") // Resistor at input side of OP-AMP in Voltage-to-Current converter
+Avf=1+(RM/R1) // formulae using Avf=1+(RF/R1)=1+(RM/R1)// since RF=RM
+disp("Avf=1+(RM/R1)="+string(Avf)) // Overall Voltage gain
+Rif=Ri*(Av/Avf)
+disp("Rif=Ri*(Av/Avf)="+string(Rif)+ " ohm") // Equivalent input side resistance of OP-AMP with feedback
+
+
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