Added filter design URL's to Books & Tools Sticky in top

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#1
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Just added these to the Books & Tools Sticky in top

Interactive Digital Filter Design
http://www-users.cs.york.ac.uk/~...
Category : Give desired parameters for a digital filter ,
and it will output C code for it (untested by me)
Level : Unknown

LC Filter Design
http://www-users.cs.york.ac.uk/~...
Category : Give desired parameters for a LC filter ,
and it will draw schematic for it
Level : Unknown

Interactive Digital Phase Locked Loop Design
http://www-users.cs.york.ac.uk/~...
Category : Give desired parameters for a PLL filter ,
and it will draw schematic for it
Level : Unknown

Could someone who "understands" this please have a quick glimpse at those sites to see if it's usefull (for filter beginners like me) ??

/Bingo

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What is it that you want to do? Filter design (as a general topic) is pretty challenging. But, there are "cookbook" methods that are useful in a variety of standard situations.

Jim

Jim Wagner Oregon Research Electronics, Consulting Div. Tangent, OR, USA http://www.orelectronics.net

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Well i just wanted someone to verify that those pages are worth having in the "Sticky"
Meaning .... they are usefull and maybe even generate usefull filters :-)

/Bingo

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I took a look, and those web pages assume a fair knowledge of filters to start with. For example, you need to specify the number of poles and a filter type (Butterworth, Chebychev, etc). It is a major challenge just to make those choices!

That said, I may well use at least one, right off.

Jim

Jim Wagner Oregon Research Electronics, Consulting Div. Tangent, OR, USA http://www.orelectronics.net

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He..He

And i thought a filter always had 2 poles ... one for in and one for out (electric connection points)

/Bingo

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In and out refer to terminals.

A pole is related to inflection points in the frequency response.