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Author Topic: Bandwidth filter  (Read 12410 times)

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Andre

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Bandwidth filter
« on: March 23, 2008, 09:24:06 AM »
I would like a bandwidth filter that will only permint a narrow width at 4000 Hz as narrow as can be and if possible this should be done w/o op-amps.

Can someone help me?
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Stefano

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Re: Bandwidth filter
« Reply #1 on: March 27, 2008, 23:20:43 PM »
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kam

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Re: Bandwidth filter
« Reply #2 on: March 28, 2008, 00:49:02 AM »
search for resistor capacitor (RC) filters
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Supernova

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Re: Bandwidth filter
« Reply #3 on: March 29, 2008, 00:41:21 AM »
Why not op amps? You get nice active filters
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Andre

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Re: Bandwidth filter
« Reply #4 on: March 31, 2008, 22:14:13 PM »
Quote from: Supernova on March 29, 2008, 00:41:21 AM
Why not op amps? You get nice active filters
Because i am not very familiar with op-amps

any other idea?
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FelIX

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Re: Bandwidth filter
« Reply #5 on: April 04, 2008, 21:24:36 PM »
Although i believe you should use op-amps, try this for a chance

Filter
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Andre

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Re: Bandwidth filter
« Reply #6 on: April 06, 2008, 13:36:18 PM »
Well, i tried op-amps for a chance. They are very very good. this 741 gizmo is excellent. I was afraid to use them as i know nothing but i have just begun to love them!
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kam

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Re: Bandwidth filter
« Reply #7 on: April 06, 2008, 18:40:11 PM »
There are more applications that you can do with 741. Search more and you will appreciate this chip!
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