diff options
Diffstat (limited to '2414/CH12/EX12.8/Ex12_8.sce')
| -rwxr-xr-x | 2414/CH12/EX12.8/Ex12_8.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/2414/CH12/EX12.8/Ex12_8.sce b/2414/CH12/EX12.8/Ex12_8.sce new file mode 100755 index 000000000..fdebab5b3 --- /dev/null +++ b/2414/CH12/EX12.8/Ex12_8.sce @@ -0,0 +1,20 @@ +clc;
+close();
+clear();
+//page no 409
+//prob no. 12.8
+ns=6*10^-18; //W/Hz
+k=1.38*10^-23;
+Ts=ns/k;
+mprintf('(a) Equilant source temperature is Ts=%.0f K\n',Ts);
+Gdb=43; //gain in dB
+G=10^(Gdb/10);
+mprintf(' (b) Absolute gain G=%.3f\n',G);
+G=20*10^3; //Approximate
+Si=ns;
+So=G*Si;
+mprintf('Output spectral density So(f)=%.0f fW/Hz\n',So*10^15);
+B=12*10^6; //Hz
+no=So;
+No=no*B;
+mprintf(' (c)Total Output Noise power ,No=%.3f micro-W',No*10^6);
|