blob: cd248fd0a92c6ff762eb6443d7c3700c4df9891a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
//Example 15.1
clc;
//Design a LPF having a cutoff frequency of 2 kHz
//With a pass band gain of 2
fh=2000; //Cutoff frequency in Hz
C=0.01*10^-6; //Assumed value of capacitor
R=invr(2*%pi*fh*C);
ceil(R);
//Given pass band gain Af= 1 + Rf/R1
Af=2; //Pass band gain
Rf=R1*(Af-1);
//Now the most probable value for Rf and R1 is 10Kohm
printf('\nFeedback resistence used is 10000 ohm\n')
printf('\nInput resistence used is 10000 ohm\n')
|