Math Help - Low pass filter

1. i get x = -9.872(10^8) + 2.962(10^6)j

and x =-9.872(10^8) - 2.962(10^6)j

wrong?

2. Originally Posted by Peritus
you can easily verify that the passband gain is 0db thus we are interested in finding the frequency in which the gain of the transfer function is -6db:

$
20\log _{10} \left| {H_{out} \left( {jw} \right)} \right| = - 6$

solve for w...
$
20\log _{10} \left| {H_{out} \left( {jw} \right)} \right| = - 6$

is the same as

|H|=10^(-6/20)?

3. yes

Page 2 of 2 First 12