Re: DC interfering with high-frequency digital signal?

> DC doesn't radiate! No problem.  Even if the DC is "noisy" the co-ax
> ****elding should be adequate.

That sure makes it all sound easy :-)
I do plan to use the most expensive DC power supplies I can find -
ones for laptops - so for the sake of my signals and the expensive
equipment they'll feed, I hope they will behave.

> You don't need to twist them and solid 14AWG solid might be cheaper.
> (With the price of copper going up, the #16 might be cheaper, but it's
> not a standard gauge for power wiring.)

I have plenty of twisted & stranded 16 AWG in stock (speaker wire), so
costing an extra $0 makes it the cheapest and preferred choice...