[Elecraft] Power Supplies

[Fred Townsend]

Hi Mike:
Thank you for sharing about the Bulldog supplies. I have never heard of them before. My first reaction to the pictures is sooo ugly only its mother would love it. The spec sheets are clear but leave out a few things. Maybe you know. 

If it is a switcher what is its noise specification? 
The mounting tabs look like they would scratch the desktop. Are there rubber feet? 
Where are the power pole connectors? I guess you would run it with a Rigrunner.
I didn't see any mention of certifications. UL? CE Mark?
I like to buy American. Where are these made?

73
Fred, AE6QL

-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of amsctalx at comcast.net
Sent: Sunday, May 06, 2012 9:22 AM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] Power Supplies

I recently purchased a Bulldog RDC-55 55A power supply from Rivergate Distributing. It's compact, runs cool, is very quiet, looks good on an oscilloscope and was designed to be used in a high-RF environment. I cannot honestly state that I have been running it for twenty years without a problem, but those that have seem to find them trouble-free. 

I think it's a shame that more people don't know about them. .. 

http://www.rivergatedist.com/PowerSupply.htm 


Mike Alexander - N8MSA 

amsctalx at comcast.net 

----- Original Message -----

On 5/6/2012 6:12 AM, mikefurrey at att.net wrote: 
Good Morning Ya’ll 

This morning my Astron SS-30M (used regularly for 15 years) went south in a puff of smoke and voltage on the meter was fluctuating around 10VDC. No damage to the K3. WHEW! 
I pulled out my Astron VS-50M (haven’t used in 15 years) and its voltage was also fluctuating a bit (maybe needs to reform caps?) (I’ll try it later on a ... should I say ... a radio I will not worry about too much ... or build a load for it). At a local swapfest last weekend a seller had several Astron power supplies that he was selling as parts units. He commented that they were unreliable. 

That being said, what are the groups recommendations for a power supply? 

73, Mike WA5POK ______________________________________________________________
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