From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1691/CH6/EX6.19/e6_19.sce | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100755 1691/CH6/EX6.19/e6_19.sce

(limited to '1691/CH6/EX6.19/e6_19.sce')

diff --git a/1691/CH6/EX6.19/e6_19.sce b/1691/CH6/EX6.19/e6_19.sce
new file mode 100755
index 000000000..76630d2fa
--- /dev/null
+++ b/1691/CH6/EX6.19/e6_19.sce
@@ -0,0 +1,27 @@
+//example6.19
+clc
+disp("Using equation (2) from section 6.7, we can determine I_BQ.")
+i=(18-0.7)/(1.2*10^3)
+format(10)
+disp(i,"I_BQ(in A)=")
+i=40*14.4167
+format(7)
+disp(i,"Now (I_CQ)[in mA]=(beta*I_BQ)=")
+v=18-(576.67*16*10^-3)
+disp(v,"And (V_CEQ)[in V]=(V_CC)-(I_CQ*R_L)=")
+p=18*576.67
+disp(p,"So  P_dc(in W)=(V_CC)*(I_CQ)=")
+disp("This is the input power.")
+disp("Now input a.c. voltage causes a base current of 5mA rms")
+disp("Therefore (I_b)_rms=5 mA")
+i=40*5
+disp(i,"Therefore i_c_rms(in mA)=40*5=")
+disp("This is nothing but the output collector current,rms value I_rms")
+disp("Therefore I_rms = 200mA")
+disp("Using equation (13) from section 6.8, we can write,")
+p=16*(200*10^-3)^2
+disp(p,"P_ac(in W)=(I_rms^2)^R_L=")
+disp("This is the power delivered to the load.")
+disp("Hence the efficiency of the amplifier is,")
+n=(64000*10^-3)/10.38
+disp(n,"%eta=(P_ac*100)/P_dc= ")
-- 
cgit