[sdiy] Formant 24dB filter

[Edu Silva]

Hi, all


Happy Harry wrote:
> 
> The OP-07 indeed does not phase reverse... OTOH it is as slow
> as the 741  ;^)
> 
> The OP-77 ('improved' OP-07) is NOT improved... it WILL phase reverse.


I know, it's in the datasheet. But read again: I said OPA07, not OP77 !!

But my memory isn't that good, however... The right IC is the OPA134
(Burr-Brown / TI).

http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=OPA134

-- 
 
    Edu Silva / ES2 Audio -   Salvador / BA / Brazil
    bahi0387 at terra.com.br - http://audiolist.cjb.net




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