Hi I was trying to find the cutoff frequency of an LC low pass filter, you know
The first I did was to find the transfer function with the impedance divider in the 's' domain:
Then I found the magnitude of the function transfer when s=jw
Then I found w when the amplitude reaches -3.01dB=1/sqrt(2)
so:
Finally I got:
But it suppose to be
???
Then I found the magnitude of the function transfer when s=jw
Finally I got:
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