Hi,

u can call me dumb , but i cant solve a simple book problem

- whats the voltage output for a low pass rc filter at the following dB(decibels) with 8v rms input voltage:

-1 db, -3db, -6db, -20db

i know whats the voltage at -3db because is 70.7% of the input voltage but cant figure out the rest .

any help how to solve this please??

please excuse my poor english

 

Originally posted by terrakota@Aug 31 2005, 06:10 PM
Hi,

u can call me dumb , but i cant solve a simple book problem

- whats the voltage output for a low pass rc filter at the following dB(decibels) with 8v rms input voltage:

-1 db, -3db, -6db, -20db

i know whats the voltage at -3db because is 70.7% of the input voltage but cant figure out the rest .

any help how to solve this please??

please excuse my poor english

[post=10062]Quoted post[/post]​

Refer to the duplicate post for a link to the equations you will need to solve your problem.

hgmjr