- #1
Rectifier
Gold Member
- 313
- 4
Hey!
I have a question regarding a statement in my physics book. I don't see how
[tex] |H(f)|_{dB} = - 10log (1+( \frac{f}{f_B})^2) [/tex]
approaches this equation below for big values on f.
[tex] |H(f)|_{dB} = - 20log ( \frac{f}{f_B}) [/tex]
Could you please help me out?
Thanks in advance.
EDIT: I am sorry if this is posted to a wrong sub-forum.
I have a question regarding a statement in my physics book. I don't see how
[tex] |H(f)|_{dB} = - 10log (1+( \frac{f}{f_B})^2) [/tex]
approaches this equation below for big values on f.
[tex] |H(f)|_{dB} = - 20log ( \frac{f}{f_B}) [/tex]
Could you please help me out?
Thanks in advance.
EDIT: I am sorry if this is posted to a wrong sub-forum.
Last edited: