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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /2459/CH5/EX5.3/Ex5_3.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '2459/CH5/EX5.3/Ex5_3.sce')
| -rw-r--r-- | 2459/CH5/EX5.3/Ex5_3.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/2459/CH5/EX5.3/Ex5_3.sce b/2459/CH5/EX5.3/Ex5_3.sce new file mode 100644 index 000000000..7ca406c06 --- /dev/null +++ b/2459/CH5/EX5.3/Ex5_3.sce @@ -0,0 +1,27 @@ +//chapter5
+//example5.3
+//page85
+
+// for Rl=50, Av=30
+//for Rl=85, Av=34
+
+// Av=mu*Rl/(rp+Rl)
+// thus
+// Av*rp-mu*Rl=-Av*rl
+// substituting for Rl=50 and Rl=85 we get the following linaer equations
+
+// 30*rp-50*mu=-1500 and
+// 34*rp-85*mu=-2890
+// solving by matrix
+
+a=[30 34 ; -50 -85]
+b=[-1500 -2890]
+solution=b/a
+mu=solution(1,2)
+rp=solution(1,1) // in kilo ohms since RL was in kilo ohm in the equations
+
+gm_kilo_mho=mu/rp
+gm=gm_kilo_mho/1000
+printf("mu = %.3f \n",mu)
+printf("rp = %.3f kilo ohm \n",rp)
+printf("gm = %.4f mho \n",gm)
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