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[TenTec] Naive power supply question

To: <tentec@contesting.com>
Subject: [TenTec] Naive power supply question
From: RMcGraw@Blomand.Net (Robert & Linda McGraw K4TAX)
Date: Wed, 11 Dec 2002 09:26:45 -0600
That is correct.

The normal hysterisis (sp)  loss in the power transformer will contribute to
some heat as well as the efficiency of the DC filter system which supplies
current for the TCXO, the front panel LED and etc.

73
Bob, K4TAX


----- Original Message -----
From: "Steve Ellington" <N4LQ@igLou.com>
To: <wz7i@arrl.net>; "Mike J Maloney" <ac5p@juno.com>
Cc: <TenTec@contesting.com>
Sent: Wednesday, December 11, 2002 3:35 PM
Subject: Re: [TenTec] Naive power supply question


> Doesn't the 6+ use some power to keep the tcxo warm even when off? I think
> you are supposed to maintain DC on that rig to avoid warm up drift.
> Steve
> N4LQ
>
> ----- Original Message -----
> From: "Mike J Maloney" <ac5p@juno.com>
> To: <wz7i@arrl.net>
> Cc: <TenTec@contesting.com>
> Sent: Wednesday, December 11, 2002 5:19 AM
> Subject: Re: [TenTec] Naive power supply question
>
>
> > Hi Wes,
> > Good question!  I just bought an Omni 6+ with a 962 PS and notice same
> > thing.  Noticable heat with rig OFF.
> > I will try to remember to bring an amp transducer home from work
tomorrow
> > that will read the input ac current accurately.  The supply doesnt make
> > it easy to meter the DC load amperes as it is hardwired to pigtail/plug
> > that goes direct into rig.   I will measure the input AC under different
> > load conditions and let you know.  I suspect supply not that efficient
if
> > it generates heat with virtually no load?
> > 73, Mike, ac5p
> >
> >
> > On Tue, 10 Dec 2002 20:45:48 -0500 Wes Cosand <wz7i@arrl.net> writes:
> > > I have always left my linear power supply for my rig turned on.  I
> > > guess I
> > > thought it would make the components last longer.  Is this false
> > > economy?  The unit produces a little heat so it is consuming some
> > > electricity.  Got any idea how much electricity it consumes with no
> > > load?
> > >
> > > Wes, WZ7I
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> > >
> >
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>
>
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