4739 > 072
Thomas Hudson
thudson at cygnus.com
Wed Apr 28 14:48:35 CEST 1999
Dylan George wrote:
>
> Hi,
>
> I've been trying to get through Craig Anderton's book, "Electronic Projects
> for Musicians", and I am having problems with getting parts that match this
> 20 year old book. The main problem I am having is with the omnipresent
> 4739, which is no longer around. Is there a pin-for-pin replacement? I
> aquired some tl072 dual low-noize op-amps, but they are 8 pin rather than 14
> pin, does anyone know how to use the new in the old one's place? I do have
> a pin-out diagram for the 072 (not for the 4739), but as someone who was
> hoping to learn about electronics from this book, it doesn't help me that
> much.
>
Paia sells a daughterboard that allows a 5532 to be used in the original
circuit layout. They also ship it with the kits they sell of these circuits.
They also sell the CLM6000 opto isolator used in some of the circuits.
See http://www.paia.com/epfm.htm
Thomas
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