diff options
Diffstat (limited to '68/CH5/EX5.14/ex14.sce')
-rwxr-xr-x | 68/CH5/EX5.14/ex14.sce | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/68/CH5/EX5.14/ex14.sce b/68/CH5/EX5.14/ex14.sce index d5c455ad7..bc350d8ed 100755 --- a/68/CH5/EX5.14/ex14.sce +++ b/68/CH5/EX5.14/ex14.sce @@ -1,28 +1,29 @@ -// Example 5.14 : Analysis of transistor amplifier
-V_CC=10; // (V)
-R_C=3000; // (ohm)
-R_BB=100*10^3; // (ohm)
-V_BB=3; // (V)
-V_BE=0.7; // (V)
-V_T=25*10^-3; // (V)
-I_B=(V_BB-V_BE)/R_BB;
-disp(I_B,"Base current (A)")
-I_C=B*I_B;
-disp(I_C,"Collector current (A)")
-V_C=V_CC-I_C*R_C;
-disp(V_C,"Collecor voltage (V)")
-I_E=B*I_C/(B+1);
-r_e=V_T/I_E;
-disp(r_e,"r_e (ohm)")
-g_m=I_C/V_T;
-disp(g_m,"g_m (mho)")
-r_pi=B/g_m;
-disp(r_pi,"r_pi (ohm)")
-// v_i is input voltage let us assume it to be 1 V
-v_i=1;
-v_be=v_i*r_pi/(r_pi+R_BB)
-disp(v_be,"v_be")
-v_o=-g_m*R_C*v_be;
-disp(v_o,"Output voltage (V)")
-A_v=v_o/v_i;
+// Example 5.14 : Analysis of transistor amplifier +V_CC=10; // (V) +B=100; +R_C=3000; // (ohm) +R_BB=100*10^3; // (ohm) +V_BB=3; // (V) +V_BE=0.7; // (V) +V_T=25*10^-3; // (V) +I_B=(V_BB-V_BE)/R_BB; +disp(I_B,"Base current (A)") +I_C=B*I_B; +disp(I_C,"Collector current (A)") +V_C=V_CC-I_C*R_C; +disp(V_C,"Collecor voltage (V)") +I_E=B*I_C/(B+1); +r_e=V_T/I_E; +disp(r_e,"r_e (ohm)") +g_m=I_C/V_T; +disp(g_m,"g_m (mho)") +r_pi=B/g_m; +disp(r_pi,"r_pi (ohm)") +// v_i is input voltage let us assume it to be 1 V +v_i=1; +v_be=v_i*r_pi/(r_pi+R_BB) +disp(v_be,"v_be") +v_o=-g_m*R_C*v_be; +disp(v_o,"Output voltage (V)") +A_v=v_o/v_i; disp(A_v,"Voltage gain")
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