updated the code

3 files changed, 56 insertions, 45 deletions

diff --git a/61/CH10/EX10.1/ex10_1.sce b/61/CH10/EX10.1/ex10_1.sce
index 34bdf2a4e..58371bc89 100755
--- a/61/CH10/EX10.1/ex10_1.sce
+++ b/61/CH10/EX10.1/ex10_1.sce
@@ -1,12 +1,17 @@
-//ex10.1

-//P out/P in=250;

-A_p_dB=gain_in_decibel_power(250)

-disp(A_p_dB,'Power gain when power gain is 250')

-A_p_dB=gain_in_decibel_power(100)

-disp(A_p_dB,'Power gain when power gain is 100')

-A_v_dB=gain_in_decibel_voltage(10)

-disp(A_v_dB,'Voltage gain when voltage gain is 10')

-A_v_dB=gain_in_decibel_power(0.5)

-disp(A_v_dB,'Power gain when voltage gain is 0.5')

-A_v_dB=gain_in_decibel_voltage(0.707)

-disp(A_v_dB,'Voltage gain when voltage gain is 0.707')

+function A_p_dB=gain_in_decibel_power(A_p)
+    A_p_dB=10*log10(A_p)
+endfunction
+function A_v_dB=gain_in_decibel_voltage(A_v)
+    A_v_dB=20*log10(A_v)
+endfunction//ex10.1
+//P out/P in=250;
+A_p_dB=gain_in_decibel_power(250)
+disp(A_p_dB,'Power gain when power gain is 250')
+A_p_dB=gain_in_decibel_power(100)
+disp(A_p_dB,'Power gain when power gain is 100')
+A_v_dB=gain_in_decibel_voltage(10)
+disp(A_v_dB,'Voltage gain when voltage gain is 10')
+A_v_dB=gain_in_decibel_power(0.5)
+disp(A_v_dB,'Power gain when voltage gain is 0.5')
+A_v_dB=gain_in_decibel_voltage(0.707)
+disp(A_v_dB,'Voltage gain when voltage gain is 0.707')
\ No newline at end of file
diff --git a/61/CH10/EX10.10/ex10_10.sce b/61/CH10/EX10.10/ex10_10.sce
index 6b1d997d5..a8f4eda17 100755
--- a/61/CH10/EX10.10/ex10_10.sce
+++ b/61/CH10/EX10.10/ex10_10.sce
@@ -1,24 +1,25 @@
-//ex10.10

-B_ac=125;

-C_be=20*10^-12;

-C_bc=2.4*10^-12;

-R1=22*10^3;

-R2=4.7*10^3;

-R_E=470;

-R_S=600;

-R_L=2.2*10^3;

-V_CC=10;

-V_B=(R2/(R1+R2))*V_CC;

-V_E=V_B-0.7;

-I_E=V_E/R_E;

-r_e=25*10^-3/I_E;

-//total resistance of input circuit is parallel combination of R1,R2,R_s,B_ac*r_e

-R_in_tot=B_ac*r_e*R1*R2*R_S/(B_ac*r_e*R1*R2+B_ac*r_e*R1*R_S+B_ac*r_e*R2*R_S+R1*R2*R_S);

-R_c=R_C*R_L/(R_C+R_L)

-A_v_mid=R_c/r_e;

-C_in_Miller=C_bc*(A_v_mid+1)

-C_in_tot=C_in_Miller+C_be;

-f_c=1/(2*%pi*R_in_tot*C_in_tot);

-disp(R_in_tot, 'total resistance of circuit in ohms')

-disp(C_in_tot,'total capacitance in farads')

+//ex10.10
+B_ac=125;
+C_be=20*10^-12;
+C_bc=2.4*10^-12;
+R1=22*10^3;
+R2=4.7*10^3;
+R_E=470;
+R_S=600;
+R_L=2.2*10^3;
+R_C = 2.2*10^3;
+V_CC=10;
+V_B=(R2/(R1+R2))*V_CC;
+V_E=V_B-0.7;
+I_E=V_E/R_E;
+r_e=25*10^-3/I_E;
+//total resistance of input circuit is parallel combination of R1,R2,R_s,B_ac*r_e
+R_in_tot=B_ac*r_e*R1*R2*R_S/(B_ac*r_e*R1*R2+B_ac*r_e*R1*R_S+B_ac*r_e*R2*R_S+R1*R2*R_S);
+R_c=R_C*R_L/(R_C+R_L)
+A_v_mid=R_c/r_e;
+C_in_Miller=C_bc*(A_v_mid+1)
+C_in_tot=C_in_Miller+C_be;
+f_c=1/(2*%pi*R_in_tot*C_in_tot);
+disp(R_in_tot, 'total resistance of circuit in ohms')
+disp(C_in_tot,'total capacitance in farads')
 disp(f_c,'critical frequency in hertz')
\ No newline at end of file
diff --git a/61/CH6/EX6.12/ex6_12.sce b/61/CH6/EX6.12/ex6_12.sce
index f374cccca..c4bdb477f 100755
--- a/61/CH6/EX6.12/ex6_12.sce
+++ b/61/CH6/EX6.12/ex6_12.sce
@@ -1,11 +1,16 @@
-//ex6.12

-A_v1=10;

-A_v2=15;

-A_v3=20;

-A_v=A_v1*A_v2*A_v3;    //overall voltage gain

-disp(A_v,'overall voltage gain')

-A_v1_dB=gain_in_decibel_voltage(A_v1);

-A_v2_dB=gain_in_decibel_voltage(A_v2);

-A_v3_dB=gain_in_decibel_voltage(A_v3);

-A_v_dB=A_v1_dB+A_v2_dB+A_v3_dB;

+//ex6.12
+clc
+clear
+function A_v_dB=gain_in_decibel_voltage(A_v)
+    A_v_dB=20*log10(A_v)
+endfunction
+A_v1=10;
+A_v2=15;
+A_v3=20;
+A_v=A_v1*A_v2*A_v3;    //overall voltage gain
+disp(A_v,'overall voltage gain')
+A_v1_dB=gain_in_decibel_voltage(A_v1);
+A_v2_dB=gain_in_decibel_voltage(A_v2);
+A_v3_dB=gain_in_decibel_voltage(A_v3);
+A_v_dB=A_v1_dB+A_v2_dB+A_v3_dB;
 disp(A_v_dB,'total voltage gain in decibels')
\ No newline at end of file