blob: 59030a4ec216bae2139ccc67e235306a67bd8d81 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
clear;
clc;
//Caption : Design a second order bandpass filter
//Given Value
Ao=50;//Gain
fo=160;//center frequency
B=16;//Bandwidth in Hz
C1=0.1;//in microF
C2=0.1;//in microF
//Required Formulae
Q=fo/B;
R1=(1000*Q)/(Ao*2*%pi*fo*C1);
R3=(1000*Q)/((2*%pi*fo)*(C1*C2/(C1+C2)));
//As C is in microFarad to compensate for it 1000 is multiplied
//Let r = R'
r=(10^6)/((2*%pi*fo)^2*R3*C1*C2);
R2=(R1*r)/(R1-r);
disp('K',R1,'R1=');
disp('K',R3,'R3=');
disp('K',r,'r=');
disp('K',R2,'R2=');
//end
|
