[sdiy] freq generator and lab power supply

[Michael Zacherl]

Hi again,

   Scott Bernardi wrote:
   > I wouldn't recommend a computer power supply,
   > because it would be a switcher which
   > has all kinds of high frequency  noise on it.

even better products like those of Power-One will 
produce HF noise which I'd certainly would avoid 
when troubleshooting a circuit.

I'd easily fall into the trap and forget that the 
garbage I'm reading in the circuit is delivered by 
  the PS.

e.g.
http://www.power-one.com/resources/products/datasheet/map80.pdf

    Michael.