Hello Andrew,
The following text below between the --- lines is a direct quote from
a post I made on 6-22-05 on this same board. The PS is still working
fine! NO NOISE DETECTED! If you practice good engineering practices
you should have the same results. I twist all red and black conductors,
ground everything, crimp and solder the heavy leads. (And I use the
$1000 commercial crimper.) Keep leads as short as possible and the DC
leads away from the AC leads.
The name of the dealer that I got mine from is Master Techs at
1-800-848-0558, the salesman was Wesley Miller. The dealer is in
Marshal, Michigan. They are usually at the Marshal Michigan Swap. They
give a discount to hams if I remember right.
I bought the 55 amp unit with the external IQ-4 and paid $222
including shipping and tax. I believe the IQ-4 (intelligent controller)
is now available built in. It is only needed if you are charging a
battery and then only if it is other than a standard lead acid if I
remember correctly.
73, Shanon
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A few of us in the Detroit area are using the IOTA supply/charger. We
have them hooked to a truck size AGM (Advanced Glass Mat) battery and
use this setup as an automatic UPC in case of power loss. Runs all the
radios for 48 hours plus. We love them!! Been in use over a year. The
beauty of it is the only external part you need to add is a fuse. No
isolator required!!
After reading the past articles in QST that had used two other brand
charger/power supplies, I questioned them as to noise, since we are
using them to power our whole base stations. HF, packet, VHF, UHF and
laptops.
The local dealer sent me one with the promise of a full refund and he
would pay the shipping both ways IF I was unhappy with the emitted
noise. I found none. The only way I could get any noise was to stick
the probe right into the vent holes. I swept it with my IFR AM-FM 1500
and a Tektronix 492.
I went with the 55 amp version and the optional controller since I was
going to use an AGP battery. Just under $200 if I remember correctly.
As any self respecting ham would do, I took it apart. Very good
construction. The on board fuses are in line with the DC output. I
will be buying more. (Back up supply for the repeater)
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Andrew wrote:
> Has anybody had experience with switching power supplies from IOTA
> Engineering? I am looking at their DLS-90 90amp model. They seem to be
> worth the money. A lot cheaper than the fancy samlex supplies.
>
> Pros/Cons?
>
> Andy KC2GOW
> http://www.sirepeater.com
>
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> Yahoo! Groups Links
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