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Diffstat (limited to '1430/CH2/EX2.1/exa2_1.sce')
| -rw-r--r-- | 1430/CH2/EX2.1/exa2_1.sce | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/1430/CH2/EX2.1/exa2_1.sce b/1430/CH2/EX2.1/exa2_1.sce new file mode 100644 index 000000000..0d08cd6e7 --- /dev/null +++ b/1430/CH2/EX2.1/exa2_1.sce @@ -0,0 +1,10 @@ +// Example 2.1
+// Audio Volume Control
+// It is given that amplifier draws no input current i.e i_W= 0
+// From figure 2.4, v_in(t) is related to v_s(t) by voltage divider expression
+R_AW=poly(0,'R_AW');
+p=R_AW/(5000)-0.6
+R_AW=roots(p);
+// v_in=(R_AW*v_s(t))/5000, it is required that v_out(t)=60v_s(t)
+// from above two relation we get v_in(t)=0.6v_s(t), using this relation we get R_AW
+disp(R_AW,"Value of potentiometer resistance(in Ohms)=")
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