[TenTec] Switching Power Supplies

[Dr. Gerald N. Johnson]

On 3/15/2010 11:50 AM, Jim Brown K9YC wrote:
> On Mon, 15 Mar 2010 11:36:15 -0400, John Ferrell wrote:
>
>> I keep hearing that switchers are noisy. I think that is an outdated rumor.
>
> It is neither a rumor nor outdated. It is POSSIBLE to build quiet switchers,
> but it costs more, so 99.9% of all switchers are nasty noise generators.

And then a few need a FCC broadcast transmitter license!
>
> 73,
>
> Jim Brown K9YC
>
>
73, Jerry, K0CQ