[sdiy] 7915 regulators

[media.nai at rcn.com]

>Analog Devices put out an article on this. They say to
>rig a transistor as an emitter follower to drive the
>power supply pins of opamps.
>
>Verbal schematic: collector to +V, emitter to opamp PS
>pin, base has 10K to +V and 0.1uF to gnd. NPN for
>positive pin, PNP for negative. This is a solution to
>a PSRR problem in low noise circuits, but it applies
>here, too.

So how does that work??