Active Band Pass Filter Design...

xitronics · 31st May 2005, 11:57 AM

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...

peranders · 31st May 2005, 12:01 PM

How sharp filter?

xitronics · 1st June 2005, 04:17 AM

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..

_______________________
Prasanna..

xitronics · 4th June 2005, 12:00 PM

Well, i hope its possible to design such a butterworth filer..!! if possible.. pls try them and post it bck..

_______________
Prasanna Rao

paologatto · 4th June 2005, 04:45 PM

Try this online tool from Analog Devices:

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

xitronics · 5th June 2005, 08:55 AM

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..

_________________
Prasanna

paologatto · 5th June 2005, 09:00 AM

Here it works..

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

bye

JonHarrison · 5th June 2005, 09:32 AM

Prasanna,

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

Regards,

Jon

xitronics · 6th June 2005, 06:01 AM

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..

_______________
Prasanna

31st May 2005, 11:57 AM	#1
xitronics diyAudio Member Join Date: May 2005 Location: Mumbai	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...

31st May 2005, 12:01 PM	#2
peranders Electrons are yellow and more is better! diyAudio Member Join Date: Apr 2002 Location: Göteborg, Sweden Blog Entries: 4	How sharp filter? __________________ /Per-Anders (my first name) or P-A as my friends call me Tube Buffered Gainclone in work \|Thread

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4th June 2005, 12:00 PM	#4
xitronics diyAudio Member Join Date: May 2005 Location: Mumbai	Well, i hope its possible to design such a butterworth filer..!! if possible.. pls try them and post it bck.. _______________ Prasanna Rao

4th June 2005, 04:45 PM	#5
paologatto diyAudio Member Join Date: Jun 2004 Location: Italy	Try this online tool from Analog Devices: http://www.analog.com/Analog_Root/st...er/filter.html

5th June 2005, 09:00 AM	#7
paologatto diyAudio Member Join Date: Jun 2004 Location: Italy	Here it works.. Or go to Analog Devices home page and search the online tool. bye

5th June 2005, 09:32 AM	#8
JonHarrison diyAudio Member Join Date: Mar 2004 Location: UK	Prasanna, You need to have java installed and enabled in your browser to use the Analog Devices tool. Regards, Jon