initial commit / add all books

15 files changed, 231 insertions, 0 deletions

diff --git a/2528/CH4/EX4.1/Ex4_1.sce b/2528/CH4/EX4.1/Ex4_1.sce
new file mode 100755
index 000000000..4ed71a771
--- /dev/null
+++ b/2528/CH4/EX4.1/Ex4_1.sce
@@ -0,0 +1,10 @@
+

+clear;

+clc;

+close;

+//page no 98

+//figure 4.2

+Rf=10*10^3;     ///In Ohms

+Ri=1*10^3;     ///In Ohms

+Av=1+(Rf/Ri);

+disp(Av,"Gain of Circuit is")

diff --git a/2528/CH4/EX4.10/Ex4_10.sce b/2528/CH4/EX4.10/Ex4_10.sce
new file mode 100755
index 000000000..1a8b5e9f2
--- /dev/null
+++ b/2528/CH4/EX4.10/Ex4_10.sce
@@ -0,0 +1,11 @@
+clc;

+clear;

+close;

+//figure 4.15

+//pagec no 107

+//Figure 4.15

+Iload=100*10^-6;        //In Amp

+Vin=10;     //In Volt

+gm=Iload/Vin;

+Ri=1/gm;

+disp("ohm",Ri,"Value of Ri")

diff --git a/2528/CH4/EX4.11/Ex4_11.sce b/2528/CH4/EX4.11/Ex4_11.sce
new file mode 100755
index 000000000..42f99c3c6
--- /dev/null
+++ b/2528/CH4/EX4.11/Ex4_11.sce
@@ -0,0 +1,15 @@
+clc;

+clear;

+close;

+//pagec no 111

+//Figure 4.17

+Iin=5*10^-6;        //In Ampere

+Ri=33*10^3;     //In Ohm

+Rf=1*10^3;          //In Ohm

+Rload=10*10^3;          //In Ohm

+Ai=1+(Ri/Rf);           //for inverting current amplifier

+Iout=Ai*Iin;

+disp("A",Iout,"I out ");

+Vmax=Iout*Rload+Iin*Ri;

+disp("V",Vmax,"Vmax is");

+disp("(No problem)")

diff --git a/2528/CH4/EX4.12/Ex4_12.sce b/2528/CH4/EX4.12/Ex4_12.sce
new file mode 100755
index 000000000..c5e1a070f
--- /dev/null
+++ b/2528/CH4/EX4.12/Ex4_12.sce
@@ -0,0 +1,20 @@
+clc;

+clear;

+close;

+//pagec no 111

+//Figure 4.18

+Ai=50;

+Rl=200*10^3;          //In Ohm

+//Ai=1+(Ri/Rf)

+Rf=1*10^3;          //In Ohm(Assumption)

+Ri=Rf*(Ai-1);

+disp("ohm",Ri,"Ri for Rf 1000ohm");

+Rf=2*10^3;          //In Ohm(Assumption)

+Ri=Rf*(Ai-1);

+disp("ohm",Ri,"Ri for Rf 2000ohm");

+Rf=0.5*10^3;          //In Ohm(Assumption)

+Ri=Rf*(Ai-1);

+disp("ohm",Ri,"Ri for Rf 500ohm");

+Imax=13.5/Rl;

+disp("A",Imax,"Resulting current");

+disp("A",Imax/50,"Maximum allowable input current ");

diff --git a/2528/CH4/EX4.13/Ex4_13.sce b/2528/CH4/EX4.13/Ex4_13.sce
new file mode 100755
index 000000000..983234561
--- /dev/null
+++ b/2528/CH4/EX4.13/Ex4_13.sce
@@ -0,0 +1,26 @@
+clc;

+clear;

+close;

+//pagec no 113

+//Figure 4.20

+//Noninverting Amplifier

+Rf=10*10^3;          //In Ohm(Assumption)

+//Channel 1

+Ri1=4*10^3;          //In Ohm(Assumption)

+Vi1=1;      //In Volt

+Av1=-Rf/Ri1;

+Vo1=Av1*Vi1;

+disp("V",Vo1,"Vout1");

+//Channel 2

+Ri2=2*10^3;          //In Ohm(Assumption)

+Vi2=-2;      //In Volt

+Av2=-Rf/Ri2;

+Vo2=Av2*Vi2;

+disp("V",Vo2,"Vout2");

+//Channel 3

+Ri3=1*10^3;          //In Ohm(Assumption)

+Vi3=0.5;      //In Volt

+Av3=-Rf/Ri3;

+Vo3=Av3*Vi3;

+disp("V",Vo3,"Vout1")

+disp("V",Vo1+Vo2+Vo3,"Total output via summation  is ")

diff --git a/2528/CH4/EX4.14/Ex4_14.sce b/2528/CH4/EX4.14/Ex4_14.sce
new file mode 100755
index 000000000..02269dd5d
--- /dev/null
+++ b/2528/CH4/EX4.14/Ex4_14.sce
@@ -0,0 +1,24 @@
+clc;

+clear;

+close;

+//pagec no 116

+//Figure 4.22

+//Noninverting Amplifier

+V1=1;       //In Volt

+V2=-0.2;        //In Volt

+//to draw graph of V3

+step=0.5;

+t=0:step:10*%pi;

+

+V3=2*sin(100*t);      //In Volt

+R1=20*10^3;    //In ohm

+R2=20*10^3;    //In ohm

+R3=20*10^3;    //In ohm

+Rf=20*10^3;    //In ohm

+Ri=5*10^3;    //In ohm

+//Vout=(1+(Rf/Ri))*(V1+V2+V3)/3;

+Vout=(1+(Rf/Ri))*(V1+V2)/3;     //for DC componet in Vin

+Voutac=(1+(Rf/Ri))*(V3)/3;      //for ac componet in Vin

+disp("Output Voltage is 3.33 V peak sine wave riding on 1.33 V DC");

+plot(Voutac+Vout);

+xtitle("Output","t","V")

diff --git a/2528/CH4/EX4.15/Ex4_15.sce b/2528/CH4/EX4.15/Ex4_15.sce
new file mode 100755
index 000000000..ba8c554fa
--- /dev/null
+++ b/2528/CH4/EX4.15/Ex4_15.sce
@@ -0,0 +1,15 @@
+clc;

+clear;

+close;

+//pagec no 118

+//Figure 4.27

+Ri=10*10^3;     //In ohm

+Av=26;      //In dB

+Av1=10*log10(Av);

+Rf1=Av1*Ri;

+//Rf1=20*Ri1;

+//Ri1+20*Ri1=Ri;

+//Ri1=Ri-Rf1;

+Ri1=Ri/21;

+Rf1=20*Ri1;

+disp("ohm",Rf1,"Rf1 is")

diff --git a/2528/CH4/EX4.2/Ex4_2.sce b/2528/CH4/EX4.2/Ex4_2.sce
new file mode 100755
index 000000000..ece578a58
--- /dev/null
+++ b/2528/CH4/EX4.2/Ex4_2.sce
@@ -0,0 +1,19 @@
+clc;

+clear;

+close;

+//page no 98

+//figure 4.3

+Av1=26;//in dB

+Av=20;

+//Zi=47*10^3  //in ohms

+Ri=1*10^3;     ///In Ohms

+//we know Av=1+(Rf/Ri)

+Rf=Ri*(Av-1);

+disp(Rf,"Value of Rf(ohm) when Ri is 1k");

+Ri=2*10^3;     ///In Ohms

+Rf=Ri*(Av-1);

+disp(Rf,"Value of Rf(ohm) when Ri is 1k")

+Ri=5*10^2;     ///In Ohms

+Rf=Ri*(Av-1);

+disp(Rf,"Value of Rf(ohm) when Ri is 1k")

+

diff --git a/2528/CH4/EX4.3/Ex4_3.sce b/2528/CH4/EX4.3/Ex4_3.sce
new file mode 100755
index 000000000..bff3a15fa
--- /dev/null
+++ b/2528/CH4/EX4.3/Ex4_3.sce
@@ -0,0 +1,12 @@
+

+clc;

+clear;

+close;

+//pagec no 99

+//figure 4.4

+Av=1;

+//Av=1+(Rf/Ri)

+//Rf/Ri=Av-1=0

+disp("Rf/Ri=0 ");

+disp("Rf is replaced by short circuiting wire and Ri can have any theoretical value")

+disp("When Ri is infinite it can be deleted from circuit");

diff --git a/2528/CH4/EX4.4/Ex4_4.sce b/2528/CH4/EX4.4/Ex4_4.sce
new file mode 100755
index 000000000..86705c07a
--- /dev/null
+++ b/2528/CH4/EX4.4/Ex4_4.sce
@@ -0,0 +1,22 @@
+clc;

+clear;

+close;

+//pagec no 100

+Rf=14*10^3;//in ohm

+Ri=2*10^3;//in ohm

+Av1=1+(Rf/Ri);

+disp(Av1,"Av1 is");

+Av3=20*log10(Av1);

+disp(Av3,"Av1 in dB is");

+

+Rf=18*10^3;//in ohm

+Ri=2*10^3;//in ohm

+Av2=1+(Rf/Ri);

+disp(Av2,"Av2 is");

+Av4=20*log10(Av2);

+disp(Av4,"Av2 dB is ");

+Avt=Av3+Av4;

+disp(Avt,"Total Gain dB Av1+Av2 is");

+vin=-30;//in dB

+vout=Avt+vin;

+disp(vout,"Vout in dB ");

diff --git a/2528/CH4/EX4.5/Ex4_5.sce b/2528/CH4/EX4.5/Ex4_5.sce
new file mode 100755
index 000000000..c30001ee5
--- /dev/null
+++ b/2528/CH4/EX4.5/Ex4_5.sce
@@ -0,0 +1,11 @@
+clc;

+clear;

+close;

+//pagec no 102

+Ri=5*10^3;// in ohm

+Rf=20*10^3;// in ohm

+vin=100*10^-3;//In volt

+Av=-(Rf/Ri);

+vout=vin*Av;

+disp("Volt",vout,"Vout is ");

+disp("(i.e. negative sign means inverted)");

diff --git a/2528/CH4/EX4.6/Ex4_6.sce b/2528/CH4/EX4.6/Ex4_6.sce
new file mode 100755
index 000000000..43c72c520
--- /dev/null
+++ b/2528/CH4/EX4.6/Ex4_6.sce
@@ -0,0 +1,10 @@
+clc;

+clear;

+close;

+//pagec no 103

+Ri=15*10^3;

+zin=Ri;

+Av=-10;//inverting amplifier gain

+//Av=-(Rf/Ri)

+Rf=Ri*-Av;

+disp("ohm",Rf,"Value for Rf ");

diff --git a/2528/CH4/EX4.7/Ex4_7.sce b/2528/CH4/EX4.7/Ex4_7.sce
new file mode 100755
index 000000000..49e4fc374
--- /dev/null
+++ b/2528/CH4/EX4.7/Ex4_7.sce
@@ -0,0 +1,13 @@
+clc;

+clear;

+close;

+//pagec no 103

+//capacitors are used to remove higher frequencies

+Rf=200*10^3;//In Ohm 

+Ri=15*10^3; //In Ohm

+Av=-(Rf/Ri);

+Av1=20*log10(-Av);

+disp(Av,"Maximum gain is ");

+disp(Av1,"Maximum gain in dB is ");

+Av2=0;// divider action makes Ri infinite

+disp(Av2,"Minimum gain in dB is ");

diff --git a/2528/CH4/EX4.8/Ex4_8.sce b/2528/CH4/EX4.8/Ex4_8.sce
new file mode 100755
index 000000000..ff23d3bb6
--- /dev/null
+++ b/2528/CH4/EX4.8/Ex4_8.sce
@@ -0,0 +1,9 @@
+clc;

+clear;

+close;

+//pagec no 105

+//Figure 4.6 

+Iin=50*10^-6;       //In Ampere

+Vout=4;     //In Volt

+Rf=Vout/Iin;

+disp("ohm",Rf,"Transresistance of Circuit is");

diff --git a/2528/CH4/EX4.9/Ex4_9.sce b/2528/CH4/EX4.9/Ex4_9.sce
new file mode 100755
index 000000000..b3914ff46
--- /dev/null
+++ b/2528/CH4/EX4.9/Ex4_9.sce
@@ -0,0 +1,14 @@
+clc;

+clear;

+close;

+//pagec no 107

+//Figure 4.13

+Ri=20*10^3;     //In Ohm

+Vin=0.4;        //In Volt

+Rl=1*103;//In ohm

+gm=1/Ri;        //unit-micro*Siemens

+Iload=gm*Vin;

+disp("A",Iload,"Load current is");

+//maximum current is 20microAmp in Op Amp

+Vout=(Ri+Rl)*Iload;

+disp("V",Vout,"V max ");