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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /3281/CH9 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '3281/CH9')
46 files changed, 448 insertions, 0 deletions
diff --git a/3281/CH9/EX9.10/ex9_10.jpg b/3281/CH9/EX9.10/ex9_10.jpg Binary files differnew file mode 100755 index 000000000..306b3abfc --- /dev/null +++ b/3281/CH9/EX9.10/ex9_10.jpg diff --git a/3281/CH9/EX9.10/ex9_10.sce b/3281/CH9/EX9.10/ex9_10.sce new file mode 100755 index 000000000..48520ea41 --- /dev/null +++ b/3281/CH9/EX9.10/ex9_10.sce @@ -0,0 +1,15 @@ +//Page Number: 486
+//Example 9.10
+clc;
+//Given
+vd=2D+5; //m/s
+L=10D-6; //m
+Ec=3.2D+5; //V/m
+
+//Natural frequency
+f=vd/L;
+disp('GHz',f/10^9,'Natural frequency:');
+
+//Critical voltage
+Vc=Ec*L;
+disp('V',Vc,'Critical voltage:');
diff --git a/3281/CH9/EX9.11/ex9_11.jpg b/3281/CH9/EX9.11/ex9_11.jpg Binary files differnew file mode 100644 index 000000000..92f9c7c68 --- /dev/null +++ b/3281/CH9/EX9.11/ex9_11.jpg diff --git a/3281/CH9/EX9.11/ex9_11.sce b/3281/CH9/EX9.11/ex9_11.sce new file mode 100644 index 000000000..1a006fe56 --- /dev/null +++ b/3281/CH9/EX9.11/ex9_11.sce @@ -0,0 +1,16 @@ +//Page Number: 487
+//Example 9.11
+clc;
+//Given
+n=0.08;
+A=3D-8; //m2
+n0=1D+21; //m-3
+e=1.6D-19;
+vd=1.5D+5; //m/s
+M=3.2
+E=350D+3; //V
+L=12D-6; //m
+
+//Power output
+Pout=n*A*n0*e*vd*M*L*E;
+disp('mW',Pout*1000,'Power output:');
diff --git a/3281/CH9/EX9.12/ex9_12.jpg b/3281/CH9/EX9.12/ex9_12.jpg Binary files differnew file mode 100755 index 000000000..f7e9d9915 --- /dev/null +++ b/3281/CH9/EX9.12/ex9_12.jpg diff --git a/3281/CH9/EX9.12/ex9_12.sce b/3281/CH9/EX9.12/ex9_12.sce new file mode 100755 index 000000000..f0dcad317 --- /dev/null +++ b/3281/CH9/EX9.12/ex9_12.sce @@ -0,0 +1,10 @@ +//Page Number: 487
+//Example 9.12
+clc;
+//Given
+G=15.85;
+Rn=75; //ohm
+
+Rl=Rn-(Rn/G);
+C=Rl+(10*%i);
+disp('ohms',C,'Cavity impedance:');
diff --git a/3281/CH9/EX9.13/ex9_13.jpg b/3281/CH9/EX9.13/ex9_13.jpg Binary files differnew file mode 100755 index 000000000..2614f2778 --- /dev/null +++ b/3281/CH9/EX9.13/ex9_13.jpg diff --git a/3281/CH9/EX9.13/ex9_13.sce b/3281/CH9/EX9.13/ex9_13.sce new file mode 100755 index 000000000..9d288f2df --- /dev/null +++ b/3281/CH9/EX9.13/ex9_13.sce @@ -0,0 +1,14 @@ +//Page Number: 487
+//Example 9.13
+clc;
+//Given
+e=1.6D-19;
+n1=1D+16; //m-3
+mu1=8000D-4; //m2/Vs
+nu=1D+14; //m-3
+muu=180D-4; //m2/Vs
+
+///Conductivity
+C=e*((n1*mu1)+(nu*muu));
+disp('m mho',C*1000,'Conductivity:');
+
diff --git a/3281/CH9/EX9.14/ex9_14.jpg b/3281/CH9/EX9.14/ex9_14.jpg Binary files differnew file mode 100755 index 000000000..1f6165eae --- /dev/null +++ b/3281/CH9/EX9.14/ex9_14.jpg diff --git a/3281/CH9/EX9.14/ex9_14.sce b/3281/CH9/EX9.14/ex9_14.sce new file mode 100755 index 000000000..70ce36349 --- /dev/null +++ b/3281/CH9/EX9.14/ex9_14.sce @@ -0,0 +1,13 @@ +//Page Number: 488
+//Example 9.14
+clc;
+//Given
+e0=8.854D-12;
+er=13.1;
+vd=2.5D+5; //m/s
+e=1.6D-19;
+mu=0.015; //m2/Vs
+
+//Criteria
+n0L=(e0*er*vd)/(e*mu);
+disp('m^-3',n0L,'n0L should be greater than');
diff --git a/3281/CH9/EX9.15/ex9_15.jpg b/3281/CH9/EX9.15/ex9_15.jpg Binary files differnew file mode 100755 index 000000000..3e32ac74b --- /dev/null +++ b/3281/CH9/EX9.15/ex9_15.jpg diff --git a/3281/CH9/EX9.15/ex9_15.sce b/3281/CH9/EX9.15/ex9_15.sce new file mode 100755 index 000000000..3d4fb276f --- /dev/null +++ b/3281/CH9/EX9.15/ex9_15.sce @@ -0,0 +1,21 @@ +//Page Number: 488
+//Example 9.15
+clc;
+//Given
+L=10D-6; //m
+f=10D+9; //Hz
+e=1.6D-19;
+n0=2D+20; //m3
+E=3200D+2; //V/m
+
+//Current density
+vd=L*f;
+J=n0*e*vd;
+disp('A/m sqr',J,'Current density:');
+
+//Negative electron mobility
+mu=-vd/E;
+disp('cm sqr/Vs',mu*10000,'Negative electron mobility:');
+
+//Answer for Negative electron mobility is 3125 but it is given as 3100
+
diff --git a/3281/CH9/EX9.17/ex9_17.jpg b/3281/CH9/EX9.17/ex9_17.jpg Binary files differnew file mode 100755 index 000000000..1250f12ad --- /dev/null +++ b/3281/CH9/EX9.17/ex9_17.jpg diff --git a/3281/CH9/EX9.17/ex9_17.sce b/3281/CH9/EX9.17/ex9_17.sce new file mode 100755 index 000000000..a9fddfd01 --- /dev/null +++ b/3281/CH9/EX9.17/ex9_17.sce @@ -0,0 +1,18 @@ +//Page Number: 497
+//Example 9.17
+clc;
+//Given
+n=0.15;
+Vdc=100; //V
+Idc=200D-3; //A
+vd=2D+5; //m/s
+L=6D-6; //m
+
+//(i) Maximum CW output power
+Pdc=Vdc*Idc;
+Pout=n*Pdc;
+disp('W',Pout,'Maximum CW power output:');
+
+//(ii) Resonant frequency
+f=vd/(2*L);
+disp('GHz',f/10^9,'Resonant frequency:');
diff --git a/3281/CH9/EX9.18/ex9_18.jpg b/3281/CH9/EX9.18/ex9_18.jpg Binary files differnew file mode 100755 index 000000000..810aa62c7 --- /dev/null +++ b/3281/CH9/EX9.18/ex9_18.jpg diff --git a/3281/CH9/EX9.18/ex9_18.sce b/3281/CH9/EX9.18/ex9_18.sce new file mode 100755 index 000000000..633eda132 --- /dev/null +++ b/3281/CH9/EX9.18/ex9_18.sce @@ -0,0 +1,29 @@ +//Page Number: 497
+//Example 9.18
+clc;
+//Given
+n=0.1;
+Vdc=100; //V
+Idc=100D-3; //A
+vd=2D+5; //m/s
+L=5D-6; //m
+V0=90; //V
+k=3;
+
+//(i) Maximum CW output power
+Pdc=Vdc*Idc;
+Pout=n*Pdc;
+disp('W',Pout,'Maximum CW power output:');
+
+//(ii) Resonant frequency
+f=vd/(2*L);
+disp('Hz',f,'Resonant frequency:');
+
+//(iii)Transit time
+T=L/vd;
+disp('s',T,'Transit time:');
+
+//(iv) Avalanche multiplication factor
+M=1/(1-((Vdc/V0)^k));
+disp(-M,'Avalanche multiplication factor:');
+
diff --git a/3281/CH9/EX9.19/ex9_19.jpg b/3281/CH9/EX9.19/ex9_19.jpg Binary files differnew file mode 100755 index 000000000..a770f52e0 --- /dev/null +++ b/3281/CH9/EX9.19/ex9_19.jpg diff --git a/3281/CH9/EX9.19/ex9_19.sce b/3281/CH9/EX9.19/ex9_19.sce new file mode 100755 index 000000000..02d5a9fe8 --- /dev/null +++ b/3281/CH9/EX9.19/ex9_19.sce @@ -0,0 +1,18 @@ +//Page Number: 498
+//Example 9.19
+clc;
+//Given
+n=0.1;
+Vdc=100; //V
+Idc=0.9; //A
+t=0.01D-9; //s
+f=16D+9; //Hz
+
+//(i)Power output
+Pdc=Vdc*Idc;
+Pout=n*Pdc;
+disp('W',Pout,'Power output:');
+
+//(ii)Duty cycle
+D=(t/2)+(1/(2*f));
+disp('s',D,'Duty cycle:');
diff --git a/3281/CH9/EX9.2/ex9_2.jpg b/3281/CH9/EX9.2/ex9_2.jpg Binary files differnew file mode 100755 index 000000000..3a61e3a23 --- /dev/null +++ b/3281/CH9/EX9.2/ex9_2.jpg diff --git a/3281/CH9/EX9.2/ex9_2.sce b/3281/CH9/EX9.2/ex9_2.sce new file mode 100755 index 000000000..f39081962 --- /dev/null +++ b/3281/CH9/EX9.2/ex9_2.sce @@ -0,0 +1,12 @@ +//Page Number: 448
+//Example 9.2
+clc;
+//Given
+fc=5D+9; //Hz
+Em=2D+7; //V/m
+vs=4D+3; //ms/s
+Xc=1; //ohm
+
+//Maximum allowable power
+Pm=((Em*vs)^2)/(((2*%pi*fc)^2)*Xc);
+disp('W',Pm,'Maximum allowable power:');
diff --git a/3281/CH9/EX9.20/ex9_20.jpg b/3281/CH9/EX9.20/ex9_20.jpg Binary files differnew file mode 100755 index 000000000..b541ea197 --- /dev/null +++ b/3281/CH9/EX9.20/ex9_20.jpg diff --git a/3281/CH9/EX9.20/ex9_20.sce b/3281/CH9/EX9.20/ex9_20.sce new file mode 100755 index 000000000..9504a8131 --- /dev/null +++ b/3281/CH9/EX9.20/ex9_20.sce @@ -0,0 +1,20 @@ +//Page Number: 498
+//Example 9.20
+clc;
+//Given
+Cj=0.5D-12; //F
+Lp=0.5D-9; //H
+Irf=0.65; //A
+Rl=2; //ohms
+Vbd=80; //V
+Idc=0.08; //A
+
+//Resonant frequency
+f=1/(2*%pi*sqrt(Cj*Lp));
+disp('Hz',f,'Resonant frequency:');
+
+//Efficiency
+Pout=(Irf*Irf*Rl)/2;
+Pin=Vbd*Idc;
+n=(Pout*100)/Pin;
+disp('%',n,'Efficiency:');
diff --git a/3281/CH9/EX9.21/ex9_21.jpg b/3281/CH9/EX9.21/ex9_21.jpg Binary files differnew file mode 100755 index 000000000..83f082bf6 --- /dev/null +++ b/3281/CH9/EX9.21/ex9_21.jpg diff --git a/3281/CH9/EX9.21/ex9_21.sce b/3281/CH9/EX9.21/ex9_21.sce new file mode 100755 index 000000000..3a802c1e6 --- /dev/null +++ b/3281/CH9/EX9.21/ex9_21.sce @@ -0,0 +1,12 @@ +//Page Number: 501
+//Example 9.21
+clc;
+//Given
+J=25D+7; //A/m;
+Na=2.5D+21; //m3
+e=1.6D-19;
+
+//Avlance zone velocity
+vz=J/(Na*e);
+disp('m/s',vz,'Avlanche zone velocity:');
+
diff --git a/3281/CH9/EX9.22/ex9_22.jpg b/3281/CH9/EX9.22/ex9_22.jpg Binary files differnew file mode 100755 index 000000000..b6c2cfdbf --- /dev/null +++ b/3281/CH9/EX9.22/ex9_22.jpg diff --git a/3281/CH9/EX9.22/ex9_22.sce b/3281/CH9/EX9.22/ex9_22.sce new file mode 100755 index 000000000..923106682 --- /dev/null +++ b/3281/CH9/EX9.22/ex9_22.sce @@ -0,0 +1,17 @@ +//Page Number: 503
+//Example 9.22
+clc;
+//Given
+e=1.6D-19;
+N=4D+21; //m
+L=10D-6; //m
+e0=8.854D-12;
+er=11;
+
+//Breakdown voltage
+Vbd=(e*N*L*L)/(e0*er);
+disp('V',round(Vbd),'Breakdown voltage:');
+
+//Breakdown electric field
+E=Vbd/L;
+disp('V/m',E,'Breakdown electric field:');
diff --git a/3281/CH9/EX9.23/ex9_23.jpg b/3281/CH9/EX9.23/ex9_23.jpg Binary files differnew file mode 100755 index 000000000..9c8b83a8b --- /dev/null +++ b/3281/CH9/EX9.23/ex9_23.jpg diff --git a/3281/CH9/EX9.23/ex9_23.sce b/3281/CH9/EX9.23/ex9_23.sce new file mode 100755 index 000000000..afdf321ce --- /dev/null +++ b/3281/CH9/EX9.23/ex9_23.sce @@ -0,0 +1,18 @@ +//Page Number: 515
+//Example 9.23
+clc;
+//Given
+lam=8000D-10; //m
+a=0.5D-2; //m
+D=4D+8; //m
+
+//Angular Spread
+t=(1.22*lam)/a;
+disp('rad',t,'Angular spread:');
+
+//Aerial spread
+A=%pi*((D*t)^2);
+disp('m sqr',A,'Aerial spread:');
+
+
+//Answer for A is given as 193 m sqr but it is 1.915D+10 m sqr
diff --git a/3281/CH9/EX9.24/ex9_24.jpg b/3281/CH9/EX9.24/ex9_24.jpg Binary files differnew file mode 100755 index 000000000..3a3fb924a --- /dev/null +++ b/3281/CH9/EX9.24/ex9_24.jpg diff --git a/3281/CH9/EX9.24/ex9_24.sce b/3281/CH9/EX9.24/ex9_24.sce new file mode 100755 index 000000000..ceb51184c --- /dev/null +++ b/3281/CH9/EX9.24/ex9_24.sce @@ -0,0 +1,16 @@ +//Page Number: 515
+//Example 9.24
+clc;
+//Given
+E=10; //W
+T=1D-9; //s
+c=3D+8; //m/s
+lam=650D-9; //m
+
+//Pulse Power
+P=E/T;
+disp('W',P,'Pulse Power:');
+
+//Q value
+Q=(c*T)/lam;
+disp(Q,'Q value:');
diff --git a/3281/CH9/EX9.25/ex9_25.jpg b/3281/CH9/EX9.25/ex9_25.jpg Binary files differnew file mode 100755 index 000000000..a32519155 --- /dev/null +++ b/3281/CH9/EX9.25/ex9_25.jpg diff --git a/3281/CH9/EX9.25/ex9_25.sce b/3281/CH9/EX9.25/ex9_25.sce new file mode 100755 index 000000000..de5b65e50 --- /dev/null +++ b/3281/CH9/EX9.25/ex9_25.sce @@ -0,0 +1,13 @@ +//Page Number: 515
+//Example 9.25
+clc;
+//Given
+h=6.626D-34;
+c=3D+8; //m/s
+e=1.6D-19;
+Eg=1.85; //eV
+
+//Wavelenght emitted
+lam=(h*c)/(Eg*e);
+lamarm=lam*1D+10;
+disp('A',round(lamarm),'Wavelenght emitted:');
diff --git a/3281/CH9/EX9.3/ex9_3.jpg b/3281/CH9/EX9.3/ex9_3.jpg Binary files differnew file mode 100755 index 000000000..4c7da559b --- /dev/null +++ b/3281/CH9/EX9.3/ex9_3.jpg diff --git a/3281/CH9/EX9.3/ex9_3.sce b/3281/CH9/EX9.3/ex9_3.sce new file mode 100755 index 000000000..4f5b66317 --- /dev/null +++ b/3281/CH9/EX9.3/ex9_3.sce @@ -0,0 +1,16 @@ +//Page Number: 451
+//Example 9.3
+clc;
+//Given
+XeGe=4.0; //eV
+XeGaAs=4.1; //eV
+delEgGe=0.78; //eV
+delEgGaAs=1.42; //eV
+
+//Conduction band differential
+delEc=XeGe-XeGaAs;
+disp('eV',delEc,'Conduction band differential:');
+
+//Valence band differential
+delEv=delEgGaAs-delEgGe-delEc;
+disp('eV',delEv,'Valence band differential:');
diff --git a/3281/CH9/EX9.4/ex9_4.jpg b/3281/CH9/EX9.4/ex9_4.jpg Binary files differnew file mode 100755 index 000000000..e8616038b --- /dev/null +++ b/3281/CH9/EX9.4/ex9_4.jpg diff --git a/3281/CH9/EX9.4/ex9_4.sce b/3281/CH9/EX9.4/ex9_4.sce new file mode 100755 index 000000000..383ef64fa --- /dev/null +++ b/3281/CH9/EX9.4/ex9_4.sce @@ -0,0 +1,17 @@ +//Page Number: 454
+//Example 9.4
+clc;
+//Given
+S11=0.89;
+S12=0.02;
+S21=3.1;
+S22=0.78;
+
+del=(S11*S22)-(S12*S21);
+K=[1-(S11)^2-(S22)^2+(del)^2;]/(2*S12*S21);
+if(K<1)
+ disp('Amplifier is potentially unstable');
+else
+ disp('Amplifier is potentially stable');
+ end
+
diff --git a/3281/CH9/EX9.5/ex9_5.jpg b/3281/CH9/EX9.5/ex9_5.jpg Binary files differnew file mode 100755 index 000000000..f8fa637f5 --- /dev/null +++ b/3281/CH9/EX9.5/ex9_5.jpg diff --git a/3281/CH9/EX9.5/ex9_5.sce b/3281/CH9/EX9.5/ex9_5.sce new file mode 100755 index 000000000..a0d97e183 --- /dev/null +++ b/3281/CH9/EX9.5/ex9_5.sce @@ -0,0 +1,42 @@ +//Page Number: 454
+//Example 9.5
+clc;
+//Given
+S11=0.40;
+S12=0.01;
+S21=2.00;
+S22=0.35;
+
+ZL=20; //ohm
+ZS=30; //ohm
+Z0=ZL+ZS; //ohm
+
+//Reflection coefficients of source and load
+TL=(ZL-Z0)/(ZL+Z0);
+TLm=-TL;
+TS=(ZS-Z0)/(ZS+Z0);
+TSm=-TS;
+
+//Reflection coefficients of input and output
+Tin=S11+((S12*S21*TL)/(1-(S22*TL)));
+Tout=S22+((S12*S21*TS)/(1-(S22*TS)));
+
+//Transducer Gain
+x=(1-(TSm)^2)/((1-(S11*TSm))^2); //Value of should be 1.145
+y=(S21*S21);
+z=(1-(TLm)^2)/((1-(Tout*TLm))^2);
+GT=x*y*z;
+disp(GT,'Transducer Gain:');
+
+//Available Power Gain
+z1=1-(Tout)^2;
+GA=(x*y)/z1;
+disp(GA,'Available power Gain:');
+
+//Power Gain
+z2=1-(Tin)^2;
+GP=(x*y)/z2;
+disp(GP,'Power Gain:');
+
+//All the end calculations of finding gain are not accurate in the book, hence the answers dont match
+
diff --git a/3281/CH9/EX9.6/ex9_6.jpg b/3281/CH9/EX9.6/ex9_6.jpg Binary files differnew file mode 100755 index 000000000..de17f00cd --- /dev/null +++ b/3281/CH9/EX9.6/ex9_6.jpg diff --git a/3281/CH9/EX9.6/ex9_6.sce b/3281/CH9/EX9.6/ex9_6.sce new file mode 100755 index 000000000..31e9088e5 --- /dev/null +++ b/3281/CH9/EX9.6/ex9_6.sce @@ -0,0 +1,45 @@ +//Page Number: 455
+//Example 9.6
+clc;
+//Given
+S11=0.60;
+S12=0.045;
+S21=2.50;
+S22=0.50
+TS=0.5;
+TL=0.4;
+Vrms=10; //V
+Z0=50; //ohm
+
+//(i)Reflection coefficients of input and output
+Tin=S11+((S12*S21*TL)/(1-(S22*TL)));
+Tout=S22+((S12*S21*TS)/(1-(S22*TS)));
+disp(Tin,'Reflection coefficients of input:');
+disp(Tout,'Reflection coefficients of output:');
+
+//(ii) Gains
+//Transducer Gain
+x=(1-(TS)^2)/((1-(S11*TS))^2);
+y=(S21*S21);
+z=(1-(TL)^2)/((1-(Tout*TL))^2);
+GT=x*y*z;
+disp(GT,'Transducer Gain:');
+
+//Available Power Gain
+z1=1-(Tout)^2;
+GA=(x*y)/z1;
+disp(GA,'Available power Gain:');
+
+//Power Gain
+z2=1-(Tin)^2;
+GP=(x*y)/z2;
+disp(GP,'Power Gain:');
+
+//Calculation for Tout and Gains are wrong in the book, hence the answers dont match
+
+//(iii) Power available
+Gt=9.4;
+Pas=(sqrt(2)*Vrms)^2/(8*Z0);
+Pal=Gt*Pas;
+disp('W',Pas,'Power available at source:');
+disp('W',Pal,'Power available at load:');
diff --git a/3281/CH9/EX9.7/ex9_7.jpg b/3281/CH9/EX9.7/ex9_7.jpg Binary files differnew file mode 100755 index 000000000..60effe9e3 --- /dev/null +++ b/3281/CH9/EX9.7/ex9_7.jpg diff --git a/3281/CH9/EX9.7/ex9_7.sce b/3281/CH9/EX9.7/ex9_7.sce new file mode 100755 index 000000000..a1ad3bb3a --- /dev/null +++ b/3281/CH9/EX9.7/ex9_7.sce @@ -0,0 +1,12 @@ +//Page Number: 457
+//Example 9.7
+clc;
+//Given
+S11=0.90;
+S12=0;
+S21=2.40;
+S22=0.80;
+
+Gmax=(S21*S21)/((1-(S11)^2)*(1-(S22)^2));
+Gdb=10*log10(Gmax);
+disp(Gdb,'Maximum gain:');
diff --git a/3281/CH9/EX9.8/ex9_8.jpg b/3281/CH9/EX9.8/ex9_8.jpg Binary files differnew file mode 100755 index 000000000..51ba2d4ea --- /dev/null +++ b/3281/CH9/EX9.8/ex9_8.jpg diff --git a/3281/CH9/EX9.8/ex9_8.sce b/3281/CH9/EX9.8/ex9_8.sce new file mode 100755 index 000000000..9fe26f554 --- /dev/null +++ b/3281/CH9/EX9.8/ex9_8.sce @@ -0,0 +1,41 @@ +//Page Number: 468
+//Example 9.8
+clc;
+//Given
+e=1.6D-19;
+Nd=1.1D+23; //m-3
+a=0.2D-6; //m
+er=11.8;
+e0=8.854D-12;
+mue=800D-4; //m2/Vs
+Z=50D-6;
+L=8.5D-6; //m
+W0=1; //V
+Vd=12; //V
+Vg=1.5; //V
+
+//(i) Pinch off voltage and pinch off current
+Vp=(e*Nd*a*a)/(2*er*e0);
+disp('V',Vp,'Pinch off voltage:');
+
+Ip=(mue*e*e*Nd*Nd*Z*a*a)/(e0*er*L);
+disp('A',Ip,'Pinch off current:');
+//Answer for Ip is 55809 A but it is given as 0.00558 A
+
+//(ii) Drain and maximum drain current
+//Taking Ip=5.58mA as given in book
+Ip1=0.00558; //A
+x=(2/3)*(((Vd+Vg+W0)/Vp)^(3/2));
+y=(2/3)*(((Vg+W0)/Vp)^(3/2));
+Id=Ip1*[(Vd/Vp)-x+y];
+disp('A',-Id,'Drain current:');
+
+//Saturation Current
+Is=Ip1*[(1/3)-((Vg+W0)/Vp)+((2/3)*(((Vg+W0)/Vp)^(3/2)))];
+disp('A',Is,'Drain saturation current:');
+
+//(iii) Cut off frequency
+f=(2*mue*e*Nd*a*a)/(%pi*er*e0*L*L);
+disp('GHz',f/10^9,'Cutt off freqency:');
+
+
diff --git a/3281/CH9/EX9.9/ex9_9.jpg b/3281/CH9/EX9.9/ex9_9.jpg Binary files differnew file mode 100755 index 000000000..17b6f3817 --- /dev/null +++ b/3281/CH9/EX9.9/ex9_9.jpg diff --git a/3281/CH9/EX9.9/ex9_9.sce b/3281/CH9/EX9.9/ex9_9.sce new file mode 100755 index 000000000..e0dea08ec --- /dev/null +++ b/3281/CH9/EX9.9/ex9_9.sce @@ -0,0 +1,13 @@ +//Page Number: 469
+//Example 9.9
+clc;
+//Given
+e=1.6D-19;
+Nd=8D+23; //m-3
+a=0.12D-6; //m
+er=13.2;
+e0=8.854D-12;
+
+//Pinch off voltage
+Vp=(e*Nd*a*a)/(2*er*e0);
+disp('V',Vp,'Pinch off voltage:');
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