On 10/2/06, Samir Popaja <[EMAIL PROTECTED]> wrote:
Which to choose, switching supply or not switching?
I would say choose based on how you plan to use it. In a roomy radio
work area a linear is nice and simple. It can also heat the room which
is nice in Canadian winters. If you have a tiny are
For the QRP K2, another good power option is an AGM lead-acid battery in
7 to 40 amp range, a multi-level charger (Battery Tender or Battery
Tender Jr for the smaller batteries, Motorcycle Accesories Warehouse),
and a 5-10W solar panel (EBay, Northern Tool) with Don Brown's
controller for backu
I purchased a new ASTRON RS-35M, 35 amp 13.8VDC
linear supply - for my ham, and K2 supply needs.
It is more than enough amps, to supply all the
current I may need from several pieces of ham
gear. Astron supplies are built like tanks,
and they hold their values over many years.
I think the RS-35M w
For my K2, I went with the Astron RS-20M supply. It is a linear supply,
not a switching supply. I went that way because I knew it would work,
would generate no noise and would be something I could service down the
road. I got the 20 amp supply even though my K2 is only 10 watts
output. Someday,
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