From 8ac15bc5efafa2afc053c293152605b0e6ae60ff Mon Sep 17 00:00:00 2001
From: Siddharth Agarwal
Date: Tue, 3 Sep 2019 18:27:40 +0530
Subject: Xcos examples from textbooks and for blocks

---
 Working_Examples/293/CH9/EX9.2/eg9_2.sce | 12 ++++++++++
 Working_Examples/293/CH9/EX9.3/eg9_3.sce | 38 ++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100755 Working_Examples/293/CH9/EX9.2/eg9_2.sce
 create mode 100755 Working_Examples/293/CH9/EX9.3/eg9_3.sce

(limited to 'Working_Examples/293/CH9')

diff --git a/Working_Examples/293/CH9/EX9.2/eg9_2.sce b/Working_Examples/293/CH9/EX9.2/eg9_2.sce
new file mode 100755
index 0000000..8a35341
--- /dev/null
+++ b/Working_Examples/293/CH9/EX9.2/eg9_2.sce
@@ -0,0 +1,12 @@
+// Quiescent point
+Idq = 0.0034; // drain current
+Vdq = 15; // drain voltage
+Vgq = 1; // gate voltage
+
+Vdd = 24; //drain supply voltage 
+
+Rs = Vgq/Idq;
+disp(Rs,"The value of self bais source resistance is(in ohm): ")
+
+Rd = (Vdd - Vdq)/Idq ; 
+disp(Rd,"The value of drain load resistance is(in ohm): ")
\ No newline at end of file
diff --git a/Working_Examples/293/CH9/EX9.3/eg9_3.sce b/Working_Examples/293/CH9/EX9.3/eg9_3.sce
new file mode 100755
index 0000000..edac541
--- /dev/null
+++ b/Working_Examples/293/CH9/EX9.3/eg9_3.sce
@@ -0,0 +1,38 @@
+//a
+//transistor parameters 
+ R2 = 0.625;
+ hie = 1.67;
+ Rb = 4.16;
+ Rl = 2.4;
+ Roe = 150;
+ 
+ Cc = 25 * 10^-6;
+ rBB = 0.29;
+ rBE = 1.375;
+ Cd = 6900 * 10^-12;
+ Ct = 40 * 10^-12;
+ gm = 0.032;
+ 
+  Req = (Rl*Roe)/(Rl + Roe);
+  hfe = 44;
+  a = 1 + (R2/Req);
+  b = 1 + (hie/Rb);
+  Aim = -hfe/(a*b); // mid band frequency gain 
+  disp("a")
+  disp(Aim,"The mid band frequency gain of the first stage of the circuit is: ")
+  
+  //b
+  Tl = 2*%pi*(Req + R2)*Cc*(10^3);
+  Fl = 1/Tl; 
+  
+  Rp = (Req*R2)/(Req + R2);
+  C = Cd + Ct*(1 + gm*Rp*10^3);
+  d = Rb + hie ;
+  e = rBE * (Rb + rBB)* 10^3 * C ; 
+  Fh = d/(2*%pi*e);
+  
+  BW = Fh - Fl;
+ disp("b")
+ disp(BW, "The bandwidth of the first stage amplifier in Hz is :")
+  
+  
\ No newline at end of file
-- 
cgit