1 files changed, 15 insertions, 10 deletions
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