[sdiy] Hand-matching capacitors for filter stages

thx1138 thx1138 at earthlink.net
Tue Feb 9 21:47:07 CET 2010


On 2/9/10 11:59 AM, "John Mahoney" <jmahoney at gate.net> wrote:

> 
>> ... What specific quality of polystyrene is so
>> desirable for filters, and how exactly does this enhance the filter's
>> performance?
> 
> I assume that you've read Harry's treatise?
> <http://www.musicsynthesizer.com/txt/caps2.txt>http://www.musicsynthesizer.com
> /txt/caps2.txt 
> 
> 
> John 
> 
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Goodness it has been many years since I read this book.

These days I read mostly comics and data sheets on Nand flash memory for our
ARM products.

Good reading however and I think this older material still holds true.

I have seen a lot of new books in this area for some time. Perhaps Craig
Anderton has some ideas here.

I spoke with him at NAMM and should do a better job of staying in touch.

Projects with Paul Maddox, Csaba Zvekan , Eric Brombaugh are catching my eye
at present.

Thanks for your not.

Regards,

Terry




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