diff options
Diffstat (limited to '3637/CH5/EX5.8/Ex5_8.sce')
| -rw-r--r-- | 3637/CH5/EX5.8/Ex5_8.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3637/CH5/EX5.8/Ex5_8.sce b/3637/CH5/EX5.8/Ex5_8.sce new file mode 100644 index 000000000..4bb57f0cf --- /dev/null +++ b/3637/CH5/EX5.8/Ex5_8.sce @@ -0,0 +1,15 @@ +//problem 8 pagenumber 5.99
+//given
+r1=9e3;//ohm
+k1=1.38*10^-23;format(6);
+t1=298;//k
+//determine voltage current spectraldensities rmsnoise
+r1=r1;
+er=sqrt(4*k1*t1*r1);
+i1=er/r1;
+er12=1/er;
+w=20e3-20;
+er1=nthroot(er,w);
+disp('voltage = '+string(er*10^9)+' nanovolt/√(Hz)');format(5);
+disp('current = '+string(i1*10^12)+' pA/√(Hz)');
+disp('rms voltage = '+string(er1)+' volt');//error in book
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