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Diffstat (limited to '1757/CH7/EX7.7/EX7_7.sce')
| -rwxr-xr-x | 1757/CH7/EX7.7/EX7_7.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/1757/CH7/EX7.7/EX7_7.sce b/1757/CH7/EX7.7/EX7_7.sce new file mode 100755 index 000000000..a54cbd232 --- /dev/null +++ b/1757/CH7/EX7.7/EX7_7.sce @@ -0,0 +1,18 @@ +//Example7.7 // to design an active high pass filter with cut-off frequency 25KHz
+clc;
+clear;
+close;
+fc = 25 ; // KHz
+C = 0.1 ; //nF // we assume
+// the cut-off frequency of active high pass filter is given by
+// fc = 2*%pi*R3*C;
+// R3 can be calculated as
+R3 = (1/(2*%pi*fc*C));
+disp('The resistance R3 is = '+string(R3)+' ohm ');
+
+// the desire pass band gain of filter is given by
+//Af = 1+(R2/R1);
+// assume that the inverting terminal resistor R2=0.2*R1;
+// in Af equation if we put R2=0.2R1 in R1 R1 cancellout each other
+Af = 1+(0.2)
+disp('The pass band gain is = '+string(Af)+' ');
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