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-rw-r--r--3636/CH11/EX11.1/Ex11_1.sce15
-rw-r--r--3636/CH11/EX11.1/Ex11_1.txt3
-rw-r--r--3636/CH11/EX11.2/Ex11_2.sce15
-rw-r--r--3636/CH11/EX11.2/Ex11_2.txt4
-rw-r--r--3636/CH11/EX11.3/Ex11_3.sce9
-rw-r--r--3636/CH11/EX11.3/Ex11_3.txt1
-rw-r--r--3636/CH11/EX11.4/Ex11_4.sce15
-rw-r--r--3636/CH11/EX11.4/Ex11_4.txt2
-rw-r--r--3636/CH11/EX11.5/Ex11_5.sce16
-rw-r--r--3636/CH11/EX11.5/Ex11_5.txt2
-rw-r--r--3636/CH11/EX11.6/Ex11_6.sce12
-rw-r--r--3636/CH11/EX11.6/Ex11_6.txt1
-rw-r--r--3636/CH11/EX11.7/Ex11_7.sce11
-rw-r--r--3636/CH11/EX11.7/Ex11_7.txt1
-rw-r--r--3636/CH11/EX11.8/Ex11_8.sce18
-rw-r--r--3636/CH11/EX11.8/Ex11_8.txt1
-rw-r--r--3636/CH11/EX11.9/Ex11_9.sce16
-rw-r--r--3636/CH11/EX11.9/Ex11_9.txt8
18 files changed, 150 insertions, 0 deletions
diff --git a/3636/CH11/EX11.1/Ex11_1.sce b/3636/CH11/EX11.1/Ex11_1.sce
new file mode 100644
index 000000000..36a7b10b3
--- /dev/null
+++ b/3636/CH11/EX11.1/Ex11_1.sce
@@ -0,0 +1,15 @@
+clear;
+clc;
+RL=8 //in ohm
+VCC=30 //in V
+
+//Calculation
+IC_max=VCC/RL
+VCE_max=VCC
+IC=VCC/(2*RL)
+VCE=VCC-(IC*RL)
+PT=VCE*IC
+
+mprintf("maximum collector current= %1.2f A\n",IC_max)
+mprintf("Maximum collector-emiiter voltage= %i V\n",VCE_max)
+mprintf("Maximum Power rating= %2.2f W",PT)
diff --git a/3636/CH11/EX11.1/Ex11_1.txt b/3636/CH11/EX11.1/Ex11_1.txt
new file mode 100644
index 000000000..6f272a934
--- /dev/null
+++ b/3636/CH11/EX11.1/Ex11_1.txt
@@ -0,0 +1,3 @@
+ maximum collector current= 3.75 A
+Maximum collector-emiiter voltage= 30 V
+Maximum Power rating= 28.13 W \ No newline at end of file
diff --git a/3636/CH11/EX11.2/Ex11_2.sce b/3636/CH11/EX11.2/Ex11_2.sce
new file mode 100644
index 000000000..0e3294a3e
--- /dev/null
+++ b/3636/CH11/EX11.2/Ex11_2.sce
@@ -0,0 +1,15 @@
+clear;
+clc;
+VDD=25 //voltage axis intersection point in V
+ID=4 //current in A
+
+//Calculation
+RD=VDD/ID
+ID=VDD/(2*RD)
+VDS=VDD-(ID*RD)
+PT=VDS*ID
+
+mprintf("Drain Resistance= %1.2f ohm\n",RD)
+mprintf("Drain current at maximum power ditribution point= %i A\n",ID)
+mprintf("drain-to-source voltage at maximum power dissipation point= %2.1f V\n",VDS)
+mprintf("Maximum power dissipation= %i W",PT)
diff --git a/3636/CH11/EX11.2/Ex11_2.txt b/3636/CH11/EX11.2/Ex11_2.txt
new file mode 100644
index 000000000..6fbb76482
--- /dev/null
+++ b/3636/CH11/EX11.2/Ex11_2.txt
@@ -0,0 +1,4 @@
+ Drain Resistance= 6.25 ohm
+Drain current at maximum power ditribution point= 2 A
+drain-to-source voltage at maximum power dissipation point= 12.5 V
+Maximum power dissipation= 25 W \ No newline at end of file
diff --git a/3636/CH11/EX11.3/Ex11_3.sce b/3636/CH11/EX11.3/Ex11_3.sce
new file mode 100644
index 000000000..1cae31f75
--- /dev/null
+++ b/3636/CH11/EX11.3/Ex11_3.sce
@@ -0,0 +1,9 @@
+clear;
+clc;
+beta1=20 //bjt gain
+beta2=20 //bjt gain
+
+//Calculation
+beta0=beta1+beta2+(beta1*beta2)
+
+mprintf("net common-emitter current gain= %g",beta0)
diff --git a/3636/CH11/EX11.3/Ex11_3.txt b/3636/CH11/EX11.3/Ex11_3.txt
new file mode 100644
index 000000000..c1ed9d8d5
--- /dev/null
+++ b/3636/CH11/EX11.3/Ex11_3.txt
@@ -0,0 +1 @@
+ net common-emitter current gain= 440 \ No newline at end of file
diff --git a/3636/CH11/EX11.4/Ex11_4.sce b/3636/CH11/EX11.4/Ex11_4.sce
new file mode 100644
index 000000000..99037e8a9
--- /dev/null
+++ b/3636/CH11/EX11.4/Ex11_4.sce
@@ -0,0 +1,15 @@
+clear;
+clc;
+TJ_max=150 //in C
+Tamb=27 //in C
+Rth_dp=1.7 //Thermal resistance in C/W
+Rth_pa=40 //in C/W
+Rth_ps=1 //in C/W
+Rth_sa=4 //in C/W
+
+//Calculation
+PD1_max=(TJ_max-Tamb)/(Rth_dp+Rth_pa)
+PD2_max=(TJ_max-Tamb)/(Rth_dp+Rth_sa+Rth_ps)
+
+mprintf("Case(a):No heat sink used :-Maximum power distribution= %1.2f W\n",PD1_max)
+mprintf("Case(b):Heaat sink used :- Maximum power distribution= %2.2f W",PD2_max)
diff --git a/3636/CH11/EX11.4/Ex11_4.txt b/3636/CH11/EX11.4/Ex11_4.txt
new file mode 100644
index 000000000..803e2c1df
--- /dev/null
+++ b/3636/CH11/EX11.4/Ex11_4.txt
@@ -0,0 +1,2 @@
+ Case(a):No heat sink used :-Maximum power distribution= 2.95 W
+Case(b):Heaat sink used :- Maximum power distribution= 18.36 W \ No newline at end of file
diff --git a/3636/CH11/EX11.5/Ex11_5.sce b/3636/CH11/EX11.5/Ex11_5.sce
new file mode 100644
index 000000000..dd4184db3
--- /dev/null
+++ b/3636/CH11/EX11.5/Ex11_5.sce
@@ -0,0 +1,16 @@
+clear;
+clc;
+B=10 //current gain
+IB=0.6 //in A
+VBE=1 //in V
+RC=10 //in ohm
+VCC=100 //in Vs
+
+//Calculation
+IC=B*IB //in A
+VCE=VCC-(IC*RC) //in V
+VCB=VCE-VBE //in V
+PT=(VCE*IC)+(VBE*IB)
+
+mprintf("Total power dissipation= %.1f W",PT)
+disp("The BJT is working outside the SOA")
diff --git a/3636/CH11/EX11.5/Ex11_5.txt b/3636/CH11/EX11.5/Ex11_5.txt
new file mode 100644
index 000000000..789ccabda
--- /dev/null
+++ b/3636/CH11/EX11.5/Ex11_5.txt
@@ -0,0 +1,2 @@
+ Total power dissipation= 240.6 W
+ The BJT is working outside the SOA \ No newline at end of file
diff --git a/3636/CH11/EX11.6/Ex11_6.sce b/3636/CH11/EX11.6/Ex11_6.sce
new file mode 100644
index 000000000..5276ef8b1
--- /dev/null
+++ b/3636/CH11/EX11.6/Ex11_6.sce
@@ -0,0 +1,12 @@
+clear;
+clc;
+Beff=250 //effective gain
+B1=25 //current gain of transistor
+B2=8.65 //effective gain of Darlington-pair
+iB=50*10^-3 //in A
+
+//Calculation
+iC2=iB*(Beff-B1)
+iE2=(1+(1/B2))*iC2
+
+mprintf("Emitter current= %2.2f A",iE2)
diff --git a/3636/CH11/EX11.6/Ex11_6.txt b/3636/CH11/EX11.6/Ex11_6.txt
new file mode 100644
index 000000000..d179513e3
--- /dev/null
+++ b/3636/CH11/EX11.6/Ex11_6.txt
@@ -0,0 +1 @@
+ Emitter current= 12.55 A \ No newline at end of file
diff --git a/3636/CH11/EX11.7/Ex11_7.sce b/3636/CH11/EX11.7/Ex11_7.sce
new file mode 100644
index 000000000..769cae52b
--- /dev/null
+++ b/3636/CH11/EX11.7/Ex11_7.sce
@@ -0,0 +1,11 @@
+clear;
+clc;
+VBB=24 //in V
+r1=3 //in k-ohm
+r2=5 //in k-ohm
+
+//Calculation
+n=r1/(r1+r2)
+VP=(n*VBB)+0.7
+
+mprintf("peak-point voltage= %1.1f V",VP)
diff --git a/3636/CH11/EX11.7/Ex11_7.txt b/3636/CH11/EX11.7/Ex11_7.txt
new file mode 100644
index 000000000..be3936183
--- /dev/null
+++ b/3636/CH11/EX11.7/Ex11_7.txt
@@ -0,0 +1 @@
+ peak-point voltage= 9.7 V \ No newline at end of file
diff --git a/3636/CH11/EX11.8/Ex11_8.sce b/3636/CH11/EX11.8/Ex11_8.sce
new file mode 100644
index 000000000..001c49ef4
--- /dev/null
+++ b/3636/CH11/EX11.8/Ex11_8.sce
@@ -0,0 +1,18 @@
+clear;
+clc;
+Rth_sink=4 //resistance in C/W
+Rth_case=1.5 //in C/W
+T2=200 //Temperature in C
+T1=27 //Room temperature in C
+P=20 //power in W
+
+//Calculation
+Rth=(T2-T1)/P
+Tdev=T2
+Tamb=T1
+Rth_dp=Rth
+Rth_ps=Rth_case //case-sink resistance
+Rth_sa=Rth_sink //sink-ambient resistance
+PD=(Tdev-Tamb)/(Rth_dp+Rth_ps+Rth_sa)
+
+mprintf("Actual power dissipation= %2.2f W",PD) //The answers vary due to round off error
diff --git a/3636/CH11/EX11.8/Ex11_8.txt b/3636/CH11/EX11.8/Ex11_8.txt
new file mode 100644
index 000000000..48bcb66ff
--- /dev/null
+++ b/3636/CH11/EX11.8/Ex11_8.txt
@@ -0,0 +1 @@
+ Actual power dissipation= 12.23 W \ No newline at end of file
diff --git a/3636/CH11/EX11.9/Ex11_9.sce b/3636/CH11/EX11.9/Ex11_9.sce
new file mode 100644
index 000000000..a5316bc21
--- /dev/null
+++ b/3636/CH11/EX11.9/Ex11_9.sce
@@ -0,0 +1,16 @@
+clear;
+clc;
+Tj=400 //junction temperature in Celsius
+TA=50 //ambient temperature in Celsius
+P=90 //power supplied in Watts
+Rth_dp=1.5 //in C/W
+convection_coeff=100 //heat convection cofficient in W/degree-C*m^2
+
+//Calculation
+Rth_sa=((Tj-TA)/P)-Rth_dp
+A=1/(Rth_sa*convection_coeff)
+
+format("v",5)
+disp(Rth_sa,"Maximum thermal temperature of heat sink (C/W)= ") //The answers vary due to round off error
+format("e",8)
+disp(A,"Surface Area (m^2)= ")
diff --git a/3636/CH11/EX11.9/Ex11_9.txt b/3636/CH11/EX11.9/Ex11_9.txt
new file mode 100644
index 000000000..135388560
--- /dev/null
+++ b/3636/CH11/EX11.9/Ex11_9.txt
@@ -0,0 +1,8 @@
+
+ Maximum thermal temperature of heat sink (C/W)=
+
+ 2.39
+
+ Surface Area (m^2)=
+
+ 4.2D-03 \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-12-20 05:03:38 +0000