2 files changed, 36 insertions, 0 deletions
diff --git a/620/CH29/EX29.7/example29_7.sce b/620/CH29/EX29.7/example29_7.sce
new file mode 100644
index 000000000..6bfc7f419
--- /dev/null
+++ b/620/CH29/EX29.7/example29_7.sce
@@ -0,0 +1,18 @@
+r1=1500;
+r2=1200;
+b=100;
+disp("Part a");
+av=-b*r1/r;
+disp("the voltage gain of the amplifier without feedback is"); disp(av);
+disp("Part b");
+r3=82;
+k=r3/r1;
+a1=av/(1-k*av);
+disp("the voltage gain of the amplifier when the feedback capacitor is not connected is"); disp(a1);
+disp("Part c");
+r4=1000;
+ro=r1*r4/(r1+r4);
+av1=-b*ro/r2;
+k=r3/ro;
+a2=av1/(1-k*av1);
+disp("the new voltage gain with feedback is"); disp(a2);
+\ No newline at end of file
diff --git a/620/CH29/EX29.7/example29_7.txt b/620/CH29/EX29.7/example29_7.txt
new file mode 100644
index 000000000..fde845fcf
--- /dev/null
+++ b/620/CH29/EX29.7/example29_7.txt
@@ -0,0 +1,18 @@
+
+ Part a   
+ 
+ the voltage gain of the amplifier without feedback is   
+ 
+  - 15.  
+ 
+ Part b   
+ 
+ the voltage gain of the amplifier when the feedback capacitor is not connected is   
+ 
+  - 8.2417582  
+ 
+ Part c   
+ 
+ the new voltage gain with feedback is   
+ 
+  - 6.3829787  
+\ No newline at end of file