Hi Steve.
I do not believe that the switchers pull nearly that much. When I can get
together with somone who has the equipment to measure it, I'll let you know
what the MFJ supplies are drawing.
73, de Lou K2LKK
At 09:44 PM 11/17/2007 -0500, you wrote:
>Lou,
>
>How much current does a 35-amp switching supply draw when it's idling?
>
>Steve
>
>----- Original Message -----
>From: "Lou Kline" <[log in to unmask]>
>To: <[log in to unmask]>
>Sent: Saturday, November 17, 2007 14:13
>Subject: Re: recommendations for switching power supply for TS480
>
>
> > Hi.
> >
> > My only misgiving with the Astron would be that they have quite a sizable
> > standby current--not very efficient or economical. My supply pulls about
> > 1.6 amps with no load!
> >
> > 73, de Lou K2LKK
> >
> >
> >
> > At 10:57 PM 11/16/2007 -0500, you wrote:
> >>Tom,
> >>
> >>Quite frankly, I wouldn't use a switching supply on that radio, mostly
> >>because of the noise problems you mentioned. I know there are quiet
> >>switching power supplies, but you'll probably pay a lot more for one than
> >>you would for a linear power supply of comparable current rating. Since
> >>you
> >>want to use the radio in a motor home, wouldn't it be more practical to
> >>run
> >>the radio off of a 12-volt source? Aside from that, an Astron 35-amp
> >>supply
> >>is about 8 inches square, so it's not that big.
> >>
> >>Steve
> >>
> >>----- Original Message -----
> >>From: "T Behler" <[log in to unmask]>
> >>To: <[log in to unmask]>
> >>Sent: Friday, November 16, 2007 19:32
> >>Subject: recommendations for switching power supply for TS480
> >>
> >>
> >> > Hi, all.
> >> >
> >> > Well, folks, I think that, due to a number of concerns and issues, I'm
> >> > leaning toward purchasing the Kenwood TS480 as my HF rig of choice for
> >> > the
> >> > motor home.
> >> >
> >> > Can anyone recommend a good quiet switching power supply for that rig?
> >> >
> >> > I have been corresponding with Kevin (K7RX), and he suggests the Samlex
> >> > 1223, but I can't seem to find it available anywhere, unless I'm just
> >> > looking in the wrong places.
> >> >
> >> > I have an MFJ 4125 22-25 amp supply that I have used before, although
> >> > it
> >> > seems somewhat noisy on parts of the HF band spectrum, and also has a
> >> > rather
> >> > loud fan.
> >> >
> >> > If you have recommendations, could you give me approximate prices too?
> >> >
> >> > I think I might go for a slightly larger supply for the TS480, so maybe
> >> > a
> >> > 35-amper would be the most practical.
> >> >
> >> > Thanks as always, and 73 from Tom Behler: KB8TYJ
> >> >
> >> >
> >> >
> >>
> >>
> >>
> >>--
> >>No virus found in this incoming message.
> >>Checked by AVG Free Edition.
> >>Version: 7.5.503 / Virus Database: 269.16.0/1136 - Release Date:
> >>11/17/2007 2:55 PM
> >
> > Louis Kim Kline
> > A.R.S. K2LKK
> > Home e-mail: [log in to unmask]
> > Work e-mail: [log in to unmask]
> > Work Telephone: (585) 697-5740
> >
> >
> >
>
>
>
>--
>No virus found in this incoming message.
>Checked by AVG Free Edition.
>Version: 7.5.503 / Virus Database: 269.16.0/1137 - Release Date:
>11/18/2007 5:15 PM
Louis Kim Kline
A.R.S. K2LKK
Home e-mail: [log in to unmask]
Work e-mail: [log in to unmask]
Work Telephone: (585) 697-5740
|
