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Author Topic: Gamma research HPS-1A power suppply  (Read 251 times)
K2QPN
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Posts: 70




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« on: January 28, 2006, 10:16:58 AM »

Anybody have any experience using the Gamma Research HPS-1A power supply? I would like to use it (or something like it)as a travel supply for my FT-857.
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AD5X
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Posts: 1428




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« Reply #1 on: January 29, 2006, 05:50:13 AM »

I've been using the MFJ-4125 for almost 2-years for my portable setup (powers my IC-706MKIIG).  It is the smallest and lightest switcher out there (5-1/2x5-1/2x2-1/2" and 2.9 pounds)), and it is very quiet RF-wise.  MFJ does a very good filtering job on both the DC outputs and the AC input.  It has a high current DC output on the front, and a low current DC output on the back.  I replaced the low current rear connector with two Powerpole pairs so as to have high current capability on the back of the supply (current was only limited by the original connectors).  Info is on my website at www.ad5x.com, where you can also see photos of the internal filtering.

Anyway, as you can tell, I really like that power supply.

Phil - AD5X
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W4RDM
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Posts: 3




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« Reply #2 on: February 17, 2006, 01:53:29 PM »

I've had the Gamma HPS-1A since August 2005. It is very small 3.37" x 1.55" x 5.25" weight is 1.25 lbs. I use it on 100 watt ssb rigs with no problems.

73's

Ron W4RDM
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