Substitute for M5218L ?

[Trevor Page]

Hi,
    I am thinking about cloning a few of the TR909 circuits, or even the
whole thing. I've not looked at the schems in great detail yet, but a lot of
the op-amps seem to be M5218L. This device seems to be still available in
one catalogue of mine though I have not confirmed its availability. My
question is, is there anything special about this IC, and can anyone suggest
a more modern IC that I could use in its place? I was wondering if something
basic like a TL07x type IC could be used, or if something a little better
would be needed. As far as I understand, the M5218L is just a basic
low-noise opamp.

Many thanks - any advice very much appreciated.

Trev



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