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Old 31st May 2005, 11:57 AM   #1
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Default Active Band Pass Filter Design...

hello.. well i hope this might be the right forum for my doubt..

i want to design a butterworth active bandpass filter having:


* Flat pass band from 23khz to 53 khz..
* No or very less phase difference between the pass band..

if anyone can hlp, pls do provide me with a possible design..

Prasanna Rao...
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Old 31st May 2005, 12:01 PM   #2
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How sharp filter?
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Old 1st June 2005, 04:17 AM   #3
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Quote:
Originally posted by peranders
How sharp filter?

hi..! maybe 6db/octave wouldbe sufficient..

Actually i need it for my stereo encoder circuit to allow the DSBSC signals to pass with no inter-frequency gain..

atteunation of around 4-6 db for 2nd harmonic of 75 khz would also do..

pls.. reply..

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Old 4th June 2005, 12:00 PM   #4
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Well, i hope its possible to design such a butterworth filer..!! if possible.. pls try them and post it bck..


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Prasanna Rao
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Old 4th June 2005, 04:45 PM   #5
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Try this online tool from Analog Devices:

http://www.analog.com/Analog_Root/st...er/filter.html
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Old 5th June 2005, 08:55 AM   #6
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Quote:
Originally posted by paologatto
Try this online tool from Analog Devices:

http://www.analog.com/Analog_Root/st...er/filter.html

Hi..! The link u specified may be improper.. It doesnt open in my explorer.. If possble, pls provide me with the correct link...

Thanks..

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Old 5th June 2005, 09:00 AM   #7
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Here it works..

Or go to Analog Devices home page and search the online tool.

bye
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Old 5th June 2005, 09:32 AM   #8
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Prasanna,

You need to have java installed and enabled in your browser to use the Analog Devices tool.

Regards,

Jon
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Old 6th June 2005, 06:01 AM   #9
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Quote:
Originally posted by paologatto
Here it works..

Or go to Analog Devices home page and search the online tool.

bye

Quote:
Originally posted by JonHarrison
Prasanna,

You need to have java installed and enabled in your browser to use the Analog Devices tool.

Regards,

Jon

Thank you very much.. i got the tool..

its good but may not serve my purpose to its best.. anyways, thanks for guidiing me..

and, can anyone provide me a link for a free bandpass filters designs..?? it would be gr8..

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Prasanna
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