initial commit / add all books

1 files changed, 19 insertions, 0 deletions

diff --git a/199/CH3/EX3.6.a/Example_3_6_a.sce b/199/CH3/EX3.6.a/Example_3_6_a.sce
new file mode 100755
index 000000000..c4d95334c
--- /dev/null
+++ b/199/CH3/EX3.6.a/Example_3_6_a.sce
@@ -0,0 +1,19 @@
+// Chapter3

+// Page.No-99, Figure.No-3.16

+// Example_3_6_a

+// Voltage gain and input resistance of Op-amp

+// Given

+clear;clc;

+R1=680;R3=680; // Both are in ohms

+RF=6800;R2=6800; // Both are in ohms

+Ri=2*10^6; // Open-loop input resistance of the op-amp

+vx=-1.5;vy=-2; // Both are in volts

+A=200000; // Open-loop Gain

+AD=1+RF/R1; // Voltage gain

+printf("\n Voltage gain is AD = %.f \n",AD) // Result

+B=R2/(R2+R3);

+RiFy=Ri*(1+A*B); // Input resistance of first stage amplifier

+printf("\n Input resistance of first stage amplifier is RiFy = %.1f ohms \n",RiFy) // Result

+B=R1/(R1+RF);

+RiFx=Ri*(1+A*B); // Input resistance of second stage amplifier

+printf("\n Input resistance of second stage amplifier is RiFx = %.1f ohms \n",RiFx) // Result
\ No newline at end of file