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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2825/CH9/EX9.6 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2825/CH9/EX9.6')
| -rwxr-xr-x | 2825/CH9/EX9.6/Ex9_6.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/2825/CH9/EX9.6/Ex9_6.sce b/2825/CH9/EX9.6/Ex9_6.sce new file mode 100755 index 000000000..c59da7251 --- /dev/null +++ b/2825/CH9/EX9.6/Ex9_6.sce @@ -0,0 +1,15 @@ +//Ex9_6 Pg-476
+clc
+
+Aol=20000 //open loop gain
+R1=100 //resistor R1 in ohm
+R2=7.5*10^(3) //resistor R2 in ohm
+Rin=3*10^(6) //input resistor in ohm
+Rcm=500*10^(6)
+
+Beta=R1/(R1+R2) //Feedback fraction
+printf("Feedback fraction = 1\\76 = %.5f \n",Beta)
+
+Req=(Rin*Rcm)/(Rin+Rcm) //equivalent resistance of Rin and Rcm
+Zcl=(1+Beta*Aol)*Req //closed loop input impedance (textbook answer is wrong)
+printf(" Closed loop input impedance = %.0f Mohm",Zcl*10^-6)
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