Question
In: Electrical Engineering
Design a 3-pole Butterworth low-pass filter with a DC gain of 5 and a -3db frequency...
Design a 3-pole Butterworth low-pass filter with a DC gain of 5 and a -3db frequency of 550Hz.
design should use capacitors of the following values:
0.01uf, 0.022uf, 0.033uf, 0.047uf, 0.056uf, 0.1uf, 0.22uf, and 1uf.
Solutions
Expert Solution
BUTTERWORTH FILTER IS AN ACTIVE HIGHER ORDER LOW PASS FILTER.
frequency responce
VOLTAGE GAIN (PRACTICAL)
20*log(A)=14.02
so A=10 ^(14.02/20)=5.02
HENCE WE GOT OUR DESIRED GAIN.
-3DB FREQUENCY (CUT OFF FREQUENCY)
FROM PLOT=341 Hz.
HERE WE HAVE GOT LESS VALUE THAN OUR DESIRED VALUE WHICH IS DUE TO SOME EXTERNAL EFFECTS OF CAPACITANCES.
Manojponduru answered 2 years agoRelated Solutions
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