[RFI] A note from Sangean about switching power supplies

F5vjc foxfive.vjc at gmail.com
Mon Jan 9 03:51:13 EST 2017


 Noise all
the way into UHF, VHF was horrible, HF and MF- worthless.  I made screen
captures, recordings, et cetera.  I provided the info to Yaesu who made it,
and HRO who sold it.

Nobody cared and the crap is still sold.

Nothing less than mindless vandalism of the HF spectrum!  Sad.

73, F5VJC

On 9 January 2017 at 03:07, KD7JYK DM09 <kd7jyk at earthlink.net> wrote:

> "It is interesting that they warn you about that... but a company making a
> radio should at least try to choose a wart that is quiet."
>
> Years ago a local OM got his tech ticket.  he wanted an HT like mine, a
> Yaesu FT-60.  He gave me the cash and I ordered it online.  It came with a
> switching mode power supply that ironically, obliterated the use of the
> radio it intended to charge when plugged in and others near it. Noise all
> the way into UHF, VHF was horrible, HF and MF- worthless.  I made screen
> captures, recordings, et cetera.  I provided the info to Yaesu who made it,
> and HRO who sold it.
>
> Nobody cared and the crap is still sold.
>
> As for the OM, I bought him a new-old-stock non-SMPS based charger.
> Silent,
> of course...
>
> Kurt
>
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