Re: About the Datassette update

From: Daniele Gratteri (
Date: 2003-03-20 12:04:42

----- Original Message -----
From: "William Levak" <>
To: <>
Sent: Thursday, March 20, 2003 5:57 AM
Subject: Re: About the Datassette update

> I do have a schematic that I have labeled NP-090B.  It is probably on
> funet, but may not be labeled as NP-090B.  It uses one quad op-amp
> (AN-6562) instead of two dual op-amps (AN6564). They are functionally the
> same.  The changes would be applied to both versions.

Strange. My NP-090B has two AN6562 which are 8 pin DIP packages, and they
are dual op-amps: in fact I found the AN6562 datasheet and it confirms they
are dual.
But I think I have understood what I have to do for updating my unit, thank
      __                                                  ____
     /// Daniele Gratteri, Italian Commodore-Amiga user  / ___|____
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