Norm,
You might want to reconsider: See these reviews:
http://www.eham.net/reviews/detail/4828
Of course, some of the reviewers were pleased with it too...
Regards,
kurtt
Kurt Pawlikowski, AKA WB9FMC
The Pinrod Corporation
[EMAIL PROTECTED]
(773) 284-9500
http://p
A friend of mine has a Workman PS 35 power supply that
he wants to sell to me. It is a 35 amp linear supply.
Does anyone in the group own one or had one and can
tell me if it is a good supply?
73's -- Norm K9NK
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Post to: Elecra
Why would anyone want to purchase anything except an Astron?
Proven world over, excellent safety inside... they just work... for me: in
Nepal, Bhutan, Lao, Thailand, and USA.
My 30amp transformer style lasted 24 years until the front switch gave up.
I sold the four 115VAC style I had and bo
This link might be helpful if your supply uses a UA723 regulator like
the Astron. It show an Astron schematic with a minor mod to allow float
charging a battery without concern if the AC power fails. The mod
involves cutting a circuit trace at pin 4 of the UA723 and bridging the
break with a
I think you'll find that power Schottkys don't have any lower drop than
a typical silicon rectifier. They are not like the Schottky signal
diodes in that regard.
Larry N8LP
[EMAIL PROTECTED] wrote:
Hi all,
A diode was my first try, but there are several problems with that approach.
Th
Hi all,
A diode was my first try, but there are several problems with that approach.
The first being the additional volt drop can make battery charging more of a
problem with a fixed supply, though a schottky diode would help to some
degree on that score. The biggest problem was the genera
Diode.
Dan
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED]
Sent: Monday, December 12, 2005 8:59 PM
To: [EMAIL PROTECTED]; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Power Supply Question
Hi Fred,
Your PSU has probably suffered the
Fred,
If I understand properly, you still have the float battery connected. Try
removing it and see if the power supply turns on.
If that power supply has undervoltage protection, a discharged battery
across its terminals will create an undervoltage situation and the power
supply will shut down
Hi Fred,
Your PSU has probably suffered the same fate as our local 70cm repeater PSU
did when we floated a battery across the output for emergencies. When the PSU
was switched off it blew the DC fuse on the output of the PSU.
The reason is the battery is capable of feeding enough power back
you find one.
Dan / WG4S / K2 #2456
-Original Message-
From: Fred Jensen [mailto:[EMAIL PROTECTED]
Sent: Monday, December 12, 2005 6:51 PM
To: Dan Barker
Subject: Re: [Elecraft] Power Supply Question
Dan Barker wrote:
> What's the battery voltage in the K2 with the power cable
lf Of Fred Jensen
Sent: Monday, December 12, 2005 5:57 PM
To: Elecraft Reflector
Subject: [Elecraft] Power Supply Question
I power my K2/100 with a Yaesu FP-1030A that also powers the FT-847.
Normally, it is on all the time. When leaving for an extended period a
week or so ago, I turned it off,
I power my K2/100 with a Yaesu FP-1030A that also powers the FT-847.
Normally, it is on all the time. When leaving for an extended period a
week or so ago, I turned it off, forgetting that I had a 12V Gel Cell
floating on the output. When I got home, the voltmeter on the supply
was at about 6
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