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Design a second order KRC low pass filter with a cut off frequency $f_O$ = 2KHz and Q=5.
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written 7.9 years ago by
teamques10
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Given :
$f_O$ = cut off frequency = 2KHz
Q = 5
Solution :
Figure 1 shows the circuit diagram and frequency response of second order KRC low pass filter.
Step 1 : Determine the values of $R_2$,$R_3$ and $C_2$,$C_3$
$$f_o = \frac{1}{2π\sqrt{R_2 R_3 C_2 C_3}}$$
If $R_2$,$R_3$ = R …
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