Hi Picsters,

I know a little about decoupling and the theory behind it, but something in
the attached schematic confuses me. Why is the inductor L2 needed? I know
why the two caps are there - but the reasoning behind the inductor is lost
on me.

Anyone care to enlighten me?

The full schematic can be found at
http://133.205.9.101/~elm/reports/mpc/mpc_c1.gif , and the decoupling is on
both the digital and analogue power inputs to U4, the DAC.

Many thanks,

Kieran

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