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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1133/CH3/EX3.8 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1133/CH3/EX3.8')
| -rwxr-xr-x | 1133/CH3/EX3.8/Example3_8.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1133/CH3/EX3.8/Example3_8.sce b/1133/CH3/EX3.8/Example3_8.sce new file mode 100755 index 000000000..8e1653294 --- /dev/null +++ b/1133/CH3/EX3.8/Example3_8.sce @@ -0,0 +1,21 @@ +//Example 3.8
+clc
+disp("Here, output voltage is sampled and fed in series with the input signal. Hence the topology is voltage series feedback.")
+disp(" The open loop voltage gain for one stage is given as,")
+disp(" Av = -gm*R_eq")
+req=(8*40*1000)/((40*1000)+(8*1000)+(8*40)) // in k-ohm
+format(5)
+disp(req," R_eq(in k-ohm) = r_d || R_d || (R_i1+R_2) =")
+av=-5*6.62
+format(6)
+disp(av," Av =")
+avm=-33.11^3
+disp(avm,"Av = Overall voltage gain = |A_vmid|^3 =") // answer in textbook is wrong
+beta=50/(10^6)
+format(7)
+disp(beta," beta = Vf / Vo = -R_1 / R_g = -R_1 / R_1+R_2 =")
+d=1+((-5*10^-5)*-36306)
+format(6)
+disp(d," D = 1 + |Av|*beta =")
+avf=-36306/2.8153
+disp(avf," A_vf = Av / D =")
\ No newline at end of file |