initial commit / add all books

14 files changed, 273 insertions, 0 deletions

diff --git a/2528/CH5/EX5.1/Ex5_1.sce b/2528/CH5/EX5.1/Ex5_1.sce
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+//Chapter 5

+//page 135

+//Example no 5-1

+clc;

+clear;

+G=20;       //in dB

+A=10^(G/20);        //Ordinary gain

+GBW=1*10^6;         //in Hz (from datasheet)

+f2=GBW/A;

+printf("Uper break frequency %.0f Hz",f2);

diff --git a/2528/CH5/EX5.10/Ex5_10.sce b/2528/CH5/EX5.10/Ex5_10.sce
new file mode 100755
index 000000000..ecc101b3d
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+

+//clear//

+//Example5.10:"Output voltage""

+//Page 158

+//figure 5.24

+clear;

+clc;

+Rf=20000;       // in Ohm

+Ri=5000;        //in ohm

+Av=-Rf/Ri;

+Vin=3*10^-3;        //in Volt 

+Vout=Av*Vin;

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

+

+//411 typical apecs

+Vos=0.8*10^-3;      //in Volt

+Ios=25*10^-12;       //in Amp

+Ib=50*10^-12;       //in Amp

+Anoise=1+Rf/Ri;

+Roff=0;

+Vout=(Vos*Anoise)+(Ib*Roff*Anoise+Ib*Rf);

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

+//Result

diff --git a/2528/CH5/EX5.11/Ex5_11.sce b/2528/CH5/EX5.11/Ex5_11.sce
new file mode 100755
index 000000000..dcc44c513
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+

+//clear//

+//Example5.11:"Output Drift""

+//Page 161

+//figure 5.23

+clear;

+clc;

+Roff=909;           //in Ohm

+Rf=10000;           //in Ohm

+Anoise=11;

+DT=55;      //degree Celsius

+DVbyDT=5*10^-6;      //    V/C

+DInoisebyDT=200*10^-12;            //  A/C

+Vdrift=(DVbyDT*DT*Anoise)+(DInoisebyDT*DT*Rf);

+disp("V",Vdrift,"Vdrift");

+Av=Anoise;

+Vdriftin=Vdrift/Av;

+disp("V",Vdriftin,"Vdriftinput");

diff --git a/2528/CH5/EX5.12/Ex5_12.sce b/2528/CH5/EX5.12/Ex5_12.sce
new file mode 100755
index 000000000..2d7214aa5
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+++ b/2528/CH5/EX5.12/Ex5_12.sce
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+//Example5.12:"Output "

+//Page 163

+clear;

+clc;

+Av=20;          //in dB

+Vin=-60;        //in dBV

+CMRR=-90;       //in dB

+//for differential input

+Vout=Av+Vin;

+disp("dBV",Vout,"Vout for differential mode input");

+//for common mode input

+Vout1=Vout+CMRR;

+disp("dBV",Vout1,"Vout for common mode signal");

+//This signal is so small that it is overshadowed by noise

diff --git a/2528/CH5/EX5.13/Ex5_13.sce b/2528/CH5/EX5.13/Ex5_13.sce
new file mode 100755
index 000000000..cb87d7dc1
--- /dev/null
+++ b/2528/CH5/EX5.13/Ex5_13.sce
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+//Example5.13:"How much Ripples is seen in output"

+//Page 164

+clear;

+clc;

+PSRR=86;        //in dB

+Vripple=0.5;       //in Volt

+Psrr=10^(PSRR/20);

+disp(Psrr,"PSRR ordinary value");

+Vout=Vripple/Psrr;

+disp("Vpp",Vout,"Vout_ripple ")

+//result//

diff --git a/2528/CH5/EX5.14/Ex5_14.sce b/2528/CH5/EX5.14/Ex5_14.sce
new file mode 100755
index 000000000..3193e16ee
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+++ b/2528/CH5/EX5.14/Ex5_14.sce
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+//Example5.14:"Output noise voltage""

+//Page 167

+//figure 5.29

+clear;

+clc;

+Rf=99000;       // in Ohm

+Ri=1000;        //in ohm

+Rs=100;        //in ohm

+Av=1+Rf/Ri;

+disp(Av,"Av ordinary value");

+disp(20*log10(Av),"Av dB value");

+Anoise=Av;          //for non inverting amplifier

+Rnoise=Rs+Rf*Ri/(Rf+Ri);

+disp("Ohm",Rnoise,"Rnoise");

+

+T=300;      //Given in degree cel.

+K=1.38*10^-23;      //Boltzmann's constant

+Vind=4*10^-9;       //In V/Hz

+Iind=0.6*10^-12;     //in A/Sqrtof Hz

+eth=(4*K*T*Rnoise)^0.5;      //sqared the 

+etot=((Vind^2)+(Iind*Rnoise)^2 +eth^2)^0.5;

+disp("V/(Hz)^0.5",etot,"etotal");

+

+funity=10*10^6;     //in Hz

+f2=funity/Anoise;

+disp("Hz",f2,"f2");

+BWnoise=f2*1.57;

+disp("Hz",BWnoise,"BWnoise");

+

+en=etot*(BWnoise)^0.5;

+disp("V",en,"en");

+

+en_out=en*Anoise;

+disp("V",en_out,"en_out");

+

+//for a nominal output signal of 1V RMS signal to noise ratio is 

+signal=1;           //in V

+Noise=en_out;

+S_N=signal/Noise;

+

+disp(S_N,"Signal to Noise ratio ");           //answer in book is approxmately 

+disp(20*log10(S_N),"S/N in dB");

+//Result

diff --git a/2528/CH5/EX5.2/Ex5_2.sce b/2528/CH5/EX5.2/Ex5_2.sce
new file mode 100755
index 000000000..8c725f758
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+++ b/2528/CH5/EX5.2/Ex5_2.sce
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+//Chapter 5

+//page 135

+//Example no 5-2

+//Given 

+clc;

+clear;

+Rf=10000;       //in Ohm

+Ri=2000;        //in Ohm

+Av=-Rf/Ri;

+printf("\n Av  = %.0f ",Av);//Result

+Av1=20*log10(-Av);

+printf("\n Av in %.0f bB",Av1);//Result

+//for noise gain 

+An=1+Rf/Ri;

+printf("\n Anoise =%.0f ",An);  //Result

diff --git a/2528/CH5/EX5.3/Ex5_3.sce b/2528/CH5/EX5.3/Ex5_3.sce
new file mode 100755
index 000000000..9550349a5
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+//clear//

+//Example5.3:Finimum acceptable frequency

+//Page 138

+//figure 5.5

+clear;

+clc;

+Rf=20000;      //in Ohms

+Ri=500;         //in Ohms

+f2=50*10^3;        //In Hz

+Anoise=1+(Rf/Ri);

+disp(Anoise,"Anoise");

+funity=Anoise*f2;

+disp("Hz",funity,"funity");

+

+disp("For this application 741 would not be fast enough, therefore 411 would be fine");

diff --git a/2528/CH5/EX5.4/Ex5_4.sce b/2528/CH5/EX5.4/Ex5_4.sce
new file mode 100755
index 000000000..f7b4b3116
--- /dev/null
+++ b/2528/CH5/EX5.4/Ex5_4.sce
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+//clear//

+//Example5.4:System gain and upper break frequency

+//Page 140

+//figure 5.6

+clear;

+clc;

+//STAGE 1

+disp("Stage 1");

+Rf1=14000;      //in Ohms

+Ri1=2000;         //in Ohms

+Av1=1+(Rf1/Ri1);

+disp(Av1,"Av");

+Anoise1=1+(Rf1/Ri1);

+disp(Anoise1,"Anoise");

+GBW=1*10^6;         //in Hz (from Datasheet)

+f1=GBW/Anoise1;

+disp(f1,"f2");

+

+//STAGE 2

+disp("Stage 2");

+Rf2=20000;      //in Ohms

+Ri2=10000;         //in Ohms

+Av2=-(Rf2/Ri2);

+disp(Av2,"Av");

+Anoise2=1+(Rf2/Ri2);

+disp(Anoise2,"Anoise");

+GBW=1*10^6;         //in Hz (from Datasheet)

+f2=GBW/Anoise2;

+disp(f2,"f2");

+

+//STAGE 3

+disp("Stage 3");

+Rf3=12000;      //in Ohms

+Ri3=4000;         //in Ohms

+Av3=1+(Rf3/Ri3);

+disp(Av3,"Av");

+Anoise3=1+(Rf3/Ri3);

+disp(Anoise3,"Anoise");

+GBW=1*10^6;         //in Hz (from Datasheet)

+f3=GBW/Anoise3;

+disp(f3,"f2");

+

+//SYSTEM

+Av=Av1*Av2*Av3;

+disp(Av,"Av");

+

+disp("Dominant break frequency here is 125kHz");

+GBW=f1*64;

+disp(GBW,"Gain bandwidth product is");

diff --git a/2528/CH5/EX5.5/Ex5_5.sce b/2528/CH5/EX5.5/Ex5_5.sce
new file mode 100755
index 000000000..b2b5348a5
--- /dev/null
+++ b/2528/CH5/EX5.5/Ex5_5.sce
@@ -0,0 +1,12 @@
+//clear//

+//Example5.5:System gain and upper break frequency

+//Page 142

+clear;

+clc;

+Anoise=10;

+funity=4*10^6;          //in Hz

+f2=funity/Anoise;

+disp(f2,"f2");

+n=3;

+f2_system=f2*(2^(1/n)-1)^0.5;

+disp(f2_system,"f2_system");

diff --git a/2528/CH5/EX5.6/Ex5_6.sce b/2528/CH5/EX5.6/Ex5_6.sce
new file mode 100755
index 000000000..3a72a5d96
--- /dev/null
+++ b/2528/CH5/EX5.6/Ex5_6.sce
@@ -0,0 +1,20 @@
+//clear//

+//Example5.6:design a circuit with upper break frequency

+//Page 142

+clear;

+clc;

+Av1=26;     //in dB

+Av=20;      //ordinary gain

+f2=500*10^3;    //in Hz

+

+funity=f2*Av;    //(Anoise=Av for non inverting terminal)

+disp("Hz",funity,"funity")

+//411 has funity =4MHZ ,therefore atleast 2 stages would be required

+//Stage 1

+f411=4*10^6;            //in hz

+Av1=f411/f2;

+ disp(Av1,"Av");

+//To achive gain of 20 second stage should have gain of atleast Av2=2.5

+Av2=2.5;

+f2=f411/Av2;

+disp("Hz",f2,"f2");

diff --git a/2528/CH5/EX5.7/Ex5_7.sce b/2528/CH5/EX5.7/Ex5_7.sce
new file mode 100755
index 000000000..e4983344d
--- /dev/null
+++ b/2528/CH5/EX5.7/Ex5_7.sce
@@ -0,0 +1,11 @@
+//clear//

+//Example5.7:"is 741's power bandwith atleast 3kHz""

+//Page 148

+//figure 5.6

+clear;

+clc;

+slewrate=0.5/10^-6;       // in V/S

+Vp=12;      //in Volts

+fmax=slewrate/(2*%pi*Vp);

+disp("Hz",fmax,"Fmax");

+//Result

diff --git a/2528/CH5/EX5.8/Ex5_8.sce b/2528/CH5/EX5.8/Ex5_8.sce
new file mode 100755
index 000000000..3a20af976
--- /dev/null
+++ b/2528/CH5/EX5.8/Ex5_8.sce
@@ -0,0 +1,11 @@
+//clear//

+//Example5.8:"minimum acceptable rate for 741""

+//Page 149

+//figure 5.6

+clear;

+clc;

+fmax=20000;     //in Hz

+Vp=10;      //in Volts

+slewrate=fmax*(2*%pi*Vp);

+disp("V/S",slewrate,"Slew rate ");

+///Result in V/S

diff --git a/2528/CH5/EX5.9/Ex5_9.sce b/2528/CH5/EX5.9/Ex5_9.sce
new file mode 100755
index 000000000..d300b35dc
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+++ b/2528/CH5/EX5.9/Ex5_9.sce
@@ -0,0 +1,21 @@
+//clear//

+//Example5.9:"Typical offset voltage""

+//Page 157

+//figure 5.9

+clear;

+clc;

+Rf=10000;       // in Ohm

+Ri=1000;        //in ohm

+Roff=0;         //in ohm

+Anoise=1+Rf/Ri;

+disp(Anoise,"Anoise");

+Vos=0.5*10^-3;      //in Volt

+Ios=10*10^-9;       //in Amp

+Ib=800*10^-9;       //in Amp

+Vout=(Vos*Anoise)+(Ib*Roff*Anoise+Ib*Rf);

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

+

+Roff=Ri*Rf/(Rf+Ri);

+Vout=(Vos*Anoise)+(Ios*Rf);

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

+//result