# LC Band Pass Filter Network

Discussion in 'Homework Help' started by Cryptokyo, Sep 25, 2016.

1. ### Cryptokyo Thread Starter New Member

Sep 25, 2016
1
0
Hello everyone,

I have attached the 3 questions I am wrestling with.

For 10 I used the equation: $f_{0}=\frac{1}{2\pi\sqrt{LC}}$ to obtain $f_{0}=50.3kHz$

For 11 I used the equation: $R_{D}=\frac{L}{r_{L}C}$, with $r_{L}=100\Omega$ to obtain $R_{D}=100k\Omega$

For 12 I treated it as if it was a voltage divider so: $V_{out}=1\times\frac{100k\Omega}{100k\Omega + 10k\Omega}=0.91V$

I feel as if this is incorrect. Can anyone just give this a quick check over as I am relatively new to AC circuits.

2. ### MrAl Distinguished Member

Jun 17, 2014
3,741
791
Hi,

Those answers look correct given a small tolerance because of numerical truncation to the given number of digits.