diff options
Diffstat (limited to '2885/CH10/EX10.2')
| -rwxr-xr-x | 2885/CH10/EX10.2/ex10_2.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/2885/CH10/EX10.2/ex10_2.sce b/2885/CH10/EX10.2/ex10_2.sce new file mode 100755 index 000000000..d77a90ea2 --- /dev/null +++ b/2885/CH10/EX10.2/ex10_2.sce @@ -0,0 +1,12 @@ +//Determine the gain of feedback amplifier in dB
+clear;
+clc;
+//soltion
+//given
+
+Ad=60;//dB //internal gain in dB
+A=10^(Ad/20); //internal gain
+B=1/20;//feedback factor
+Af=A/(1+A*B);
+Afd=20*log10(Af);
+printf("The gain of feedback amplifier %.2f dB",Afd);
|