[sdiy] RC-4558 and equivelants

[David D]

<br><br><br> "The Jupiter 8 is sex in orange and silver"

           Nick Rhodes - Duran Duran



>From: Hallvard Tangeraas <northstar2010 at yahoo.no>
>To: Synth-DIY list <synth-diy at dropmix.xs4all.nl>
>Subject: [sdiy] RC-4558 and equivelants
>Date: Sun, 25 Nov 2001 10:02:08 +0100
>
>I'm trying to find out what's wrong with the ETI vocoder input amp PCB
>and schematic, but can't seem to find the data-sheet for an IC used
>named RC-4558.
>I do however have the pinouts and data available for the "MJM 4558"
>(Maplin catalogue) and "MC 4558" (Elfa catalogue) .
>
>Are they all the same chip?

  Yes they are. Basically a ever so slightly improved dual 741. For a much 
quieter and way better freq response try using a 5532. You can get them for 
a good price from Jameco  (www.jameco.com) or Mouser or most likely any 
other supply house.

  The first two letters on an IC part number indicate the manufacturer
and the letters after the number generally indicate what material the 
package is made of etc.



    DavidD

_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp