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Band Pass Filter help

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chamispin

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Heyy guys i need to build a bandpass filter @ 45khz could u please help me guys....
 

How about using a inductor and cap in series?

Then pick a start value for the inductor and calculate the propriate value for the cap.
 

chamispin said:
Heyy guys i need to build a bandpass filter @ 45khz could u please help me guys....

Yes, sure. But you must give us some more details.
A bandpass is characterized by
*center frequency, and
*Bandwidth and
*out-of-band damping requirements
Based on these inputs the required transfer function order can be found.
More than that, you have to decide if you want an active or a passive realization.
 

thnx dude...anyway do u hv any idea about da value for da inductor

Added after 2 minutes:

Sure dude il give you more details thnx for da reply..ur help means a lot to me
LvW said:
chamispin said:
Heyy guys i need to build a bandpass filter @ 45khz could u please help me guys....

Yes, sure. But you must give us some more details.
A bandpass is characterized by
*center frequency, and
*Bandwidth and
*out-of-band damping requirements
Based on these inputs the required transfer function order can be found.
More than that, you have to decide if you want an active or a passive realization.
 

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