1 files changed, 16 insertions, 0 deletions
diff --git a/1223/CH4/EX4.7/Ex4_7.sce b/1223/CH4/EX4.7/Ex4_7.sce
new file mode 100755
index 000000000..e1c340072
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+++ b/1223/CH4/EX4.7/Ex4_7.sce
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+clear;
+clc;
+//Example 4.7
+Iq=0.5;
+b=120;
+Va=80;
+V_T=0.026;//(V)
+rc=120;//small signal collector resistance (KOhm)
+//Icq=Iq
+Icq=0.5;
+g_m=Icq/V_T;
+printf('\ntransconductance=%.3f mA/V\n',g_m)
+ro=Va/Icq;
+printf('\nsmall signal output resistance=%.2f KOhm\n',ro)
+Av=-g_m*ro*rc/(ro+rc);
+printf('\nsmall signal voltage gain=%.3f \n',Av)