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KX2 battery in PX3

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Edouard Lafargue

KX2 battery in PX3

With all the discussion on KX2 IQ output going on, I don't want to muddle
things up even further, but as Mark KE6BB was reminding me earlier, there
is a nice way you can power the PX3 using a standard KX2 battery that I
demonstrated a couple of weeks back:

https://www.dropbox.com/s/39wjrgp1bad3xg5/KX2%20Battery%20in%20PX3.jpg.jpg?dl=0

I did this some time ago and it works great - it looks like Elecraft
made provisions for such a battery in the design of the PX3 PCB. You need
to open the PX3 to recharge the battery, but it actually lasts for quite a
while, I haven't made precise measurements yet though.

my 2 cents,

Ed, W6ELA
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Bill K9YEQ

Re: KX2 battery in PX3

Ed, Thank you for the information. Makes we want to buy the PX3, as if
having the P3 wasn't enough ;- )

Bill
K9YEQ

Bill
K9YEQ

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of
Edouard Lafargue

With all the discussion on KX2 IQ output going on, I don't want to muddle
things up even further, but as Mark KE6BB was reminding me earlier, there is
a nice way you can power the PX3 using a standard KX2 battery that I
demonstrated a couple of weeks back:

https://www.dropbox.com/s/39wjrgp1bad3xg5/KX2%20Battery%20in%20PX3.jpg.jpg?d
l=0

I did this some time ago and it works great - it looks like Elecraft made
provisions for such a battery in the design of the PX3 PCB. You need to open
the PX3 to recharge the battery, but it actually lasts for quite a while, I
haven't made precise measurements yet though.

my 2 cents,

Ed, W6ELA
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K2MAW

Re: KX2 battery in PX3

That’s very cool. I’m going to try running the PX3 and KX3 off a 12Ah Bioenno battery and a Powerpole distribution adapter. Maybe I’ll get rid of the internal batteries on the KX3.

> On Sep 1, 2016, at 2:27 PM, Bill <[hidden email]> wrote:
>
> Ed, Thank you for the information. Makes we want to buy the PX3, as if
> having the P3 wasn't enough ;- )
>
> Bill
> K9YEQ
>
> Bill
> K9YEQ
>
> -----Original Message-----
> From: Elecraft [mailto:[hidden email]] On Behalf Of
> Edouard Lafargue
>
> With all the discussion on KX2 IQ output going on, I don't want to muddle
> things up even further, but as Mark KE6BB was reminding me earlier, there is
> a nice way you can power the PX3 using a standard KX2 battery that I
> demonstrated a couple of weeks back:
>
> https://www.dropbox.com/s/39wjrgp1bad3xg5/KX2%20Battery%20in%20PX3.jpg.jpg?d
> l=0
>
> I did this some time ago and it works great - it looks like Elecraft made
> provisions for such a battery in the design of the PX3 PCB. You need to open
> the PX3 to recharge the battery, but it actually lasts for quite a while, I
> haven't made precise measurements yet though.
>
> my 2 cents,
>
> Ed, W6ELA

Elecraft mailing list

Re: KX2 battery in PX3

In reply to this post by Edouard Lafargue

For those who don't know, Edouard is the author of of the Wizkers:Radio software.

When I saw this, I thought it looked like a cool idea for portable use, an ideal companion to a KX2...except a KX2 doesn't have RX IQ out :-(

Mark
KE6BB

-------- Original message --------From: Edouard Lafargue <[hidden email]> Date: 9/1/16 2:03 PM (GMT-08:00) To: Elecraft Reflector <[hidden email]> Subject: [Elecraft] KX2 battery in PX3
With all the discussion on KX2 IQ output going on, I don't want to muddle
things up even further, but as Mark KE6BB was reminding me earlier, there
is a nice way you can power the PX3 using a standard KX2 battery that I
demonstrated a couple of weeks back:

https://www.dropbox.com/s/39wjrgp1bad3xg5/KX2%20Battery%20in%20PX3.jpg.jpg?dl=0

I did this some time ago and it works great - it looks like Elecraft
made provisions for such a battery in the design of the PX3 PCB. You need
to open the PX3 to recharge the battery, but it actually lasts for quite a
while, I haven't made precise measurements yet though.

my 2 cents,

Ed, W6ELA
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Phil Wheeler-2

Re: KX2 battery in PX3

Re "a KX2 doesn't have RX IQ out :-( ": But you
knew that when you bought it, Mark -- Right? Most
of us sure did :-)

Phil W7OX

On 9/1/16 3:03 PM, Mark via Elecraft wrote:

> For those who don't know, Edouard is the author of of the Wizkers:Radio software.
>
> When I saw this, I thought it looked like a cool idea for portable use, an ideal companion to a KX2...except a KX2 doesn't have RX IQ out :-(
>
> Mark
> KE6BB
>
> -------- Original message --------From: Edouard Lafargue <[hidden email]> Date: 9/1/16 2:03 PM (GMT-08:00) To: Elecraft Reflector <[hidden email]> Subject: [Elecraft] KX2 battery in PX3
> With all the discussion on KX2 IQ output going on, I don't want to muddle
> things up even further, but as Mark KE6BB was reminding me earlier, there
> is a nice way you can power the PX3 using a standard KX2 battery that I
> demonstrated a couple of weeks back:
>
>
> https://www.dropbox.com/s/39wjrgp1bad3xg5/KX2%20Battery%20in%20PX3.jpg.jpg?dl=0
>
> I did this some time ago and it works great - it looks like Elecraft
> made provisions for such a battery in the design of the PX3 PCB. You need
> to open the PX3 to recharge the battery, but it actually lasts for quite a
> while, I haven't made precise measurements yet though.
>
> my 2 cents,
>
> Ed, W6ELA

Elecraft mailing list

Re: KX2 battery in PX3

In reply to this post by Edouard Lafargue

Re "a KX2 doesn't have RX IQ out...But you knew that when you bought it, Mark -- Right?"

Actually that is one of the reasons I have held off buying one for a while. I am one of the guys whose KX3 became their home station. When I am portable, simple is better, so for me, a KX2 may be fine as it is. I was simply fascinated by Ed's PX3 with an internal battery which simplifies portable setup, making portable PX3 more feasible.

Mark
KE6BB
-------- Original message --------From: Phil Wheeler <[hidden email]> Date: 9/1/16 4:41 PM (GMT-08:00) To: [hidden email] Subject: Re: [Elecraft] KX2 battery in PX3
Re "a KX2 doesn't have RX IQ out :-( ": But you
knew that when you bought it, Mark -- Right? Most
of us sure did :-)

Phil W7OX

On 9/1/16 3:03 PM, Mark via Elecraft wrote:

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Bill Frantz

Re: KX2 battery in PX3

Currently when I'm operating my KX3 portable, I have the
advantages of operating from a house. I use mains power and a
splitter to power both the KX3 and the PX3. It's kind of ironic
that I operate pure solar at home and mains power on the road. I
do find the idea of slipping a battery into the PX3 really
attractive for backpacking, moving to a minimum number of things
to forget.

73 Bill AE6JV

On 9/1/16 at 5:13 PM, [hidden email] (Mark via
Elecraft) wrote:

>Re "a KX2 doesn't have RX IQ out...But you knew that when you bought it, Mark -- Right?"
>
>Actually that is one of the reasons I have held off buying one
>for a while. I am one of the guys whose KX3 became their home
>station. When I am portable, simple is better, so for me, a
>KX2 may be fine as it is. I was simply fascinated by Ed's PX3
>with an internal battery which simplifies portable setup,
>making portable PX3 more feasible.

-----------------------------------------------------------------------
Bill Frantz | Security is like Government | Periwinkle
(408)356-8506 | services. The market doesn't | 16345
Englewood Ave
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CA 95032

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Elecraft mailing list

Re: KX2 battery in PX3

In reply to this post by Elecraft mailing list

>When I am portable, simple is better,
I used to think so too, but after operating portable with and without the PX3 several times over the past few months, I've found I'm much more productive with it than without, enough that I bring the PX3 along even though I have essentially a pedestrian-mobile setup except for the antenna.

>internal battery which simplifies portable setup,
I use a Y-adapter cable from Pro Audio Engineering that splits power into two 2.1mm ports that's sized perfectly to connect the KX3 and PX3, which simplifies the connection to a single battery. Not as clean as an internal battery, but I'm not a fan of having to open and close my radio gear frequently to get at the batteries.

73, Ryan AI6DO
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