P3 Questions

[pastormg]

I am condidering a purchase of a P3 with my k3. Do I understand correctly that I would need an additional power supply for the P3?  Or would I be able to connect it to the power jack on back of the k3 for power?  If I need an addiitonal power supply that's going to make the equipment jammed packed.  But I also read on the reflector that the power jack on the back of the K3 doesn't have sufficient amps to run the K3.  Any advise would be greatly appreciated.  Mark KB3Z
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[George & Jan]

Mark,
The K3 can power the P3 directly from its switched power output connector
(12 V DC Out).
If you already are powering other devices make sure you do not exceed the
maximum output of 0.5 amps.

BTW - I use a relay fed from the K3 switched DC output to turn on everything
associated with the K3.
George
AI4VZ


. . .  would I be able to connect it to the power jack on back of the k3 for
power?

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[Mike Reublin]

I don't have a P3, so I don't know what it's power requirements are, but you're going
to have to have a power supply anyway for the K3......

73, Mike NF4L

On 12/5/2010 8:23 AM, [hidden email] wrote:

> I am condidering a purchase of a P3 with my k3. Do I understand correctly that I would need an additional power supply for the P3?  Or would I be able to connect it to the power jack on back of the k3 for power?  If I need an addiitonal power supply that's going to make the equipment jammed packed.  But I also read on the reflector that the power jack on the back of the K3 doesn't have sufficient amps to run the K3.  Any advise would be greatly appreciated.  Mark KB3Z
> ______________________________________________________________
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[s57aw]

>From the P3 instruction manual:

When used with a K3, this power may be taken from the 12VDC OUT jack on the
K3 rear panel. The K3 is capable of supplying power to both the P3 and the
Elecraft PR6 six-meter preamplifier at the same time if 12VDC or greater is
supplied to the K3’s power connector.
Lower voltages at the K3 connector will cause the total current required by
the P3 and PR6 to exceed the 500 mA limit from the K3’s 12VDC outlet.

P3 requirements:
Power: 10-15 VDC is a standard 2.1 mm barrel connector for a 10-15 VDC
supply capable of delivering up to 0.5A.

73 Robert, s57aw

2010/12/5 Mike <[hidden email]>

> I don't have a P3, so I don't know what it's power requirements are, but
> you're going
> to have to have a power supply anyway for the K3......
>
> 73, Mike NF4L
>
> On 12/5/2010 8:23 AM, [hidden email] wrote:
> > I am condidering a purchase of a P3 with my k3. Do I understand correctly
> that I would need an additional power supply for the P3?  Or would I be able
> to connect it to the power jack on back of the k3 for power?  If I need an
> addiitonal power supply that's going to make the equipment jammed packed.
>  But I also read on the reflector that the power jack on the back of the K3
> doesn't have sufficient amps to run the K3.  Any advise would be greatly
> appreciated.  Mark KB3Z
> > ______________________________________________________________
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:[hidden email]
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> >
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> Post: mailto:[hidden email]
>
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> Please help support this email list: http://www.qsl.net/donate.html
>

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[N5GE]

The K3 will handle the P3 nicely, but if you don't want the P3 connected to the
K3 you don't need to buy another power supply.  Just connect it to the one you
already have.  The P3 draws very little amperage.

73,

Tom Childers
Radio Amateur N5GE
Licensed since 1976
QCWA Member 35102
ARRL Life Member



On Sun, 05 Dec 2010 07:23:14 -0600 (CST), [hidden email]  wrote:

>
>I am condidering a purchase of a P3 with my k3. Do I understand correctly that I would need an additional power supply for the P3?  Or would I be able to connect it to the power jack on back of the k3 for power?  If I need an addiitonal power supply that's going to make the equipment jammed packed.  But I also read on the reflector that the power jack on the back of the K3 doesn't have sufficient amps to run the K3.  Any advise would be greatly appreciated.  Mark KB3Z
[snip]

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