[sdiy] Signals leaking into the PSU?

[Paul Perry]

Slightly straying from the point, but in line with the heading, I'd like to
point out that many 3 pin voltage regulators do nothing at all to stop high
frequency signals going backwards. Just something I had never thought
about. Incidentally, when I have had interference between parts of a
system, sometimes "star grounding" saves the day.

paul perry Melbourne Australia

On Tue, Feb 21, 2023 at 6:00 PM dh at atoav.com <dh at atoav.com> wrote:

> Oof
>
> On 20/02/2023 13:05, Mike Bryant wrote:
> > Support used to get daily phone calls from people saying our equipment
> > must be faulty, when of course it was the class 2 item generating the
> > sparks into our nicely grounded equipment.
>
> Do you think the situation is better today?
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