KXPA100 AMP and KXAT100 ATU pics and info

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Re: KXPA100 AMP and KXAT100 ATU pics and info

Bruce Beford-2
They were posted on the Elecraft twitter site:
https://twitter.com/elecraft

> I'm feeling particularly IQ-zero at the moment, because I've searched and
> searched but can't find these doggone pictures of the KXPA100 amp that so
> many posts have referred to.  Will some kind soul please put me out of my
> misery with a URL or two.  Thanks.

 



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Re: KXPA100 AMP and KXAT100 ATU pics and info

John Fritze
In reply to this post by Eric Swartz - WA6HHQ
All I can say is: SHHWWEEEEEEETTT!

That is really nice looking, sign me up!!

--
John Fritze Jr
K2QY
AARA president 2013
ACACES secretary 2013
Albany County RACES Radio Officer
ARES ENY DEC Northern District
ARES Albany County EC
Hudson Div. Asst. Director
Twitter: @k2qy
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Re: KXPA100 AMP and KXAT100 ATU pics and info

DaveL  G3TJP
In reply to this post by Eric Swartz - WA6HHQ
Thanks everyone, for the links, very much appreciated.  I've never looked at
Twitter before (and probably won't again), but very interesting.

 

Maybe at some future date, for those using the K3 on the bench, an adapter
might come along so the KX3 could be attached to the amp/atu?

 

73 Dave G3TJP

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Re: KXPA100 AMP and KXAT100 ATU pics and info

Bob Nielsen-2
In reply to this post by Rick Dettinger-3
OHR and Morse Express are the same company (Milestone Technologies).

Bob, N7XY

On Apr 25, 2013, at 9:44 PM, Walter Underwood <[hidden email]> wrote:

> Oak Hills Research sells a similar BNC bulkhead connector that fits in a UHF hole.
>
> http://www.ohr.com/parts.htm
>
> BNC can handle roughly the same power as UHF. The max voltage on an Amphenol UHF connector is 600V. The max for BNC is 500V. A Type N connector can handle 1500V, so you can see how poor the UHF is for its size.
>
> wunder
> K6WRU
>
> On Apr 25, 2013, at 8:39 PM, Rick Dettinger wrote:
>
>> Morse Express sells SO-239 to BNC Conversion Kits.  They are just metal plates the same size as the SO-239 jacks.  They have the same 4 holes and are punched for an included BNC panel jack.
>> I have used them to convert my non Elecraft QRP kits and OHR watt meter.  But, I had thought that BNC was only for QRP power levels.  Elecraft uses SO-239 for their 100 watt kits that I have bought.
>>
>> 73,
>> Rick Dettinger  K7MW
>>
>> On Apr 25, 2013, at 8:09 PM, Ron D'Eau Claire wrote:
>>
>>> They are my favorite for anything under 1000 watts on HF too. Of course
>>> there are screw-on adapters for the SO-239 "UHF" connectors.
>>>
>>> 73 Ron AC7AC
>>>
>>
>
>
>
>
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Re: KXPA100 AMP and KXAT100 ATU pics and info

Eric Swartz - WA6HHQ
Administrator
In reply to this post by AD6XY
Sure. The KXPA100 will work with any radio that provides PTT and RF.

Eric
elecraft.com

On 4/25/2013 9:35 AM, AD6XY wrote:

> Looks very nice  - Does it work with the K3/10?
>
>
>
> --
> View this message in context: http://elecraft.365791.n2.nabble.com/KXPA100-AMP-and-KXAT100-ATU-pics-and-info-tp7573015p7573034.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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why mix rf connector types within the product line?

Jeff Herr
I will end up taking the units (kx3 and that nice amp) with me as I travel.

In effect now we are forced to need adapters.

Do you think BNC connection is not suitable from an engineering perspective?

WW6L



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Tim
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Re: why mix rf connector types within the product line?

Tim
Hi,

I wish it was standard practice to put BNC connectors on all QRP gear.

Tim
KE4KE


On 4/26/13 6:36 PM, Jeff Herr wrote:

> I will end up taking the units (kx3 and that nice amp) with me as I travel.
>
> In effect now we are forced to need adapters.
>
> Do you think BNC connection is not suitable from an engineering perspective?
>
> WW6L
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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Re: why mix rf connector types within the product line?

Don Wilhelm-4
In reply to this post by Jeff Herr
Jeff,

There are a number of amateurs who just do not like BNC connectors and
will not use them.  In fact I have heard some comment when looking at a
K2/10 say "That antenna connector MUST be changed to a UHF type".  While
I do not agree, it is a perception that must be dealt with at Elecraft.  
Couple that with the fact that BNC is largely the 'standard' for QRP
transceivers, but not for 100 watt and over rigs where the UHF connector
reigns supreme.

Adapters are not a problem IMHO, they can just stay on the SO-239 jack
and usually do not get in the way.

73,
Don W3FPR

On 4/26/2013 7:36 PM, Jeff Herr wrote:
> I will end up taking the units (kx3 and that nice amp) with me as I travel.
>
> In effect now we are forced to need adapters.
>
> Do you think BNC connection is not suitable from an engineering perspective?
>
>

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Re: why mix rf connector types within the product line?

Iain MacDonnell - N6ML-2
In reply to this post by Jeff Herr
On Fri, Apr 26, 2013 at 4:36 PM, Jeff Herr <[hidden email]> wrote:
> I will end up taking the units (kx3 and that nice amp) with me as I travel.
>
> In effect now we are forced to need adapters.

Or you could get some thing like:

http://abrind.com/product/rg58au-rg8x-240uf-95tc-braid-100-foil-coax-cable-assemblies-bnc-n-pl259-sma-so23/pl259-to-bnc-male-jumpers/

I can't vouch for ABR's products (never tried them). Personally, I
would make my own....

73,

    ~iain / N6ML
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Re: why mix rf connector types within the product line?

Don Wilhelm-4
In reply to this post by Tim
Tim,

All Elecraft QRP level gear uses BNC connectors.  The 100 watt class
amplifiers and tuners use UHF connectors.
Yes, the QRP community has adopted BNC connectors as "standard".
Elecraft adheres to that.

73,
Don W3FPR

On 4/26/2013 7:46 PM, Tim wrote:
> Hi,
>
> I wish it was standard practice to put BNC connectors on all QRP gear.
>
> Tim
> KE4KE
>

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Re: why mix rf connector types within the product line?

Jeff Herr
In reply to this post by Iain MacDonnell - N6ML-2
I don't want to buy or make or use any adapters.

Why not keep the connector consistent across the product line?

That is the question!












-----Original Message-----
From: [hidden email] [mailto:[hidden email]] On Behalf Of iain
macdonnell - N6ML
Sent: Friday, April 26, 2013 16:53
To: Jeff Herr
Cc: [hidden email]
Subject: Re: [Elecraft] why mix rf connector types within the product line?

On Fri, Apr 26, 2013 at 4:36 PM, Jeff Herr <[hidden email]> wrote:
> I will end up taking the units (kx3 and that nice amp) with me as I
travel.
>
> In effect now we are forced to need adapters.

Or you could get some thing like:

http://abrind.com/product/rg58au-rg8x-240uf-95tc-braid-100-foil-coax-cable-a
ssemblies-bnc-n-pl259-sma-so23/pl259-to-bnc-male-jumpers/

I can't vouch for ABR's products (never tried them). Personally, I would
make my own....

73,

    ~iain / N6ML

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Re: why mix rf connector types within the product line?

Iain MacDonnell - N6ML-2
Others have articulated some reasons.

Why is this such a big deal for you? That is the other question....

73,

    ~iain / N6ML


On Fri, Apr 26, 2013 at 4:55 PM, Jeff Herr <[hidden email]> wrote:

> I don't want to buy or make or use any adapters.
>
> Why not keep the connector consistent across the product line?
>
> That is the question!
>
>
>
>
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: [hidden email] [mailto:[hidden email]] On Behalf Of iain
> macdonnell - N6ML
> Sent: Friday, April 26, 2013 16:53
> To: Jeff Herr
> Cc: [hidden email]
> Subject: Re: [Elecraft] why mix rf connector types within the product line?
>
> On Fri, Apr 26, 2013 at 4:36 PM, Jeff Herr <[hidden email]> wrote:
>> I will end up taking the units (kx3 and that nice amp) with me as I
> travel.
>>
>> In effect now we are forced to need adapters.
>
> Or you could get some thing like:
>
> http://abrind.com/product/rg58au-rg8x-240uf-95tc-braid-100-foil-coax-cable-a
> ssemblies-bnc-n-pl259-sma-so23/pl259-to-bnc-male-jumpers/
>
> I can't vouch for ABR's products (never tried them). Personally, I would
> make my own....
>
> 73,
>
>     ~iain / N6ML
>
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Re: why mix rf connector types within the product line?

N8MSA
In reply to this post by Jeff Herr
Engineering perspective? I'm an MSEE, have been working with BNC connectors for thirty years and I don't have issue with their use on HF radio gear. If they're good enough for Agilent, Rohde and Schwarz, Anritsu, et al, they're good enough for a 10W HF transceiver.


Mike Alexander - N8MSA

[hidden email]

----- Original Message -----
From: "Jeff Herr" <[hidden email]>
To: [hidden email]
Sent: Friday, April 26, 2013 7:36:41 PM
Subject: [Elecraft] why mix rf connector types within the product line?

I will end up taking the units (kx3 and that nice amp) with me as I travel.

In effect now we are forced to need adapters.

Do you think BNC connection is not suitable from an engineering perspective?

WW6L



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Re: why mix rf connector types within the product line?

Joe Subich, W4TV-4
In reply to this post by Tim

 > I wish it was standard practice to put BNC connectors on all QRP gear.

Not only is it too easy to damage the center pin/socket, BNC is a
"clamp" type connector and is prone to improper assembly.  Having
"grown up" with Heathkit, I would rather have RCA connectors - the
old kind where the shield can be soldered all the way around - than
BNC connectors on RF devices below 50 MHz and less than 50 Watts.

73,

    ... Joe, W4TV


On 4/26/2013 7:46 PM, Tim wrote:

> Hi,
>
> I wish it was standard practice to put BNC connectors on all QRP gear.
>
> Tim
> KE4KE
>
>
> On 4/26/13 6:36 PM, Jeff Herr wrote:
>> I will end up taking the units (kx3 and that nice amp) with me as I
>> travel.
>>
>> In effect now we are forced to need adapters.
>>
>> Do you think BNC connection is not suitable from an engineering
>> perspective?
>>
>> WW6L
>>
>>
>>
>> ______________________________________________________________
>> 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
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
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> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
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Re: why mix rf connector types within the product line?

Craig Smith
Even at 100 W, BNC is clearly the best choice.   The first thing I did when I got my K3 was to get rid of the UHF connectors and put in  proper BNCs.

73  Craig  AC0DS

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Re: why mix rf connector types within the product line?

David Christ
I can think of one other reason why UHF has hung around so long.  It is cheap, easy to find, and mates nicely with the oh so common RG-8 sized cable that is generally used in HF shacks.  N would probably be a better choice but is more expensive and fussier to install.  BNC connectors for RG-8 do exist but are not cheap.  A stiff chunk of RG-8/LMR400 can put quite a strain on a BNC connector if not routed and supported properly.  

David K0LUM

On Apr 26, 2013, at 7:16 PM, Craig Smith wrote:

> Even at 100 W, BNC is clearly the best choice.   The first thing I did when I got my K3 was to get rid of the UHF connectors and put in  proper BNCs.
>
> 73  Craig  AC0DS
>
> ______________________________________________________________
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Re: why mix rf connector types within the product line?

Jeff Herr
In reply to this post by Iain MacDonnell - N6ML-2
The radio I bought from elecraft uses bnc.
The antenna I bought from elecraft uses bnc.

Why does the amp connector type need to be the venerable UHF connector??





-----Original Message-----
From: [hidden email] [mailto:[hidden email]] On Behalf Of iain
macdonnell - N6ML
Sent: Friday, April 26, 2013 17:19
To: Jeff Herr
Subject: Re: [Elecraft] why mix rf connector types within the product line?

On Fri, Apr 26, 2013 at 5:12 PM, Jeff Herr <[hidden email]> wrote:
> Portability.
>
> Every little thing adds up.  Any connection you can eliminate is good.
>
> One adapter adds two connections.

Did you even look at the cable I referenced? You can't eliminate the cable
between the transceiver and the amp .. so just get one with the right
connectors and you're set. No adapters needed.


> Unless there is an engineering related reason?
>
>
>
>
>
>
> Is there one?

I can't speak for the designers ... but my guess would be that the
KXPA100 is designed to be a standalone product. The KX3 was the main
motivation for creation of the product, but it's not a KX3-specific.
SO-239 is the industry standard for HF gear, except QRP, as stated by
others.

73,

    ~iain / N6ML




> -----Original Message-----
> From: [hidden email] [mailto:[hidden email]] On Behalf Of iain
> macdonnell - N6ML
> Sent: Friday, April 26, 2013 16:58
> To: Jeff Herr
> Cc: [hidden email]
> Subject: Re: [Elecraft] why mix rf connector types within the product
line?

>
> Others have articulated some reasons.
>
> Why is this such a big deal for you? That is the other question....
>
> 73,
>
>     ~iain / N6ML
>
>
> On Fri, Apr 26, 2013 at 4:55 PM, Jeff Herr <[hidden email]> wrote:
>> I don't want to buy or make or use any adapters.
>>
>> Why not keep the connector consistent across the product line?
>>
>> That is the question!
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> -----Original Message-----
>> From: [hidden email] [mailto:[hidden email]] On Behalf Of iain
>> macdonnell - N6ML
>> Sent: Friday, April 26, 2013 16:53
>> To: Jeff Herr
>> Cc: [hidden email]
>> Subject: Re: [Elecraft] why mix rf connector types within the product
> line?
>>
>> On Fri, Apr 26, 2013 at 4:36 PM, Jeff Herr <[hidden email]> wrote:
>>> I will end up taking the units (kx3 and that nice amp) with me as I
>> travel.
>>>
>>> In effect now we are forced to need adapters.
>>
>> Or you could get some thing like:
>>
>> http://abrind.com/product/rg58au-rg8x-240uf-95tc-braid-100-foil-coax-
>> c able-a ssemblies-bnc-n-pl259-sma-so23/pl259-to-bnc-male-jumpers/
>>
>> I can't vouch for ABR's products (never tried them). Personally, I
>> would make my own....
>>
>> 73,
>>
>>     ~iain / N6ML
>>
>

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Re: why mix rf connector types within the product line?

Jeff Herr
In reply to this post by Joe Subich, W4TV-4
Come on.

All test equipment uses it!   ALL!




-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Joe Subich, W4TV
Sent: Friday, April 26, 2013 17:05
To: [hidden email]
Subject: Re: [Elecraft] why mix rf connector types within the product line?


 > I wish it was standard practice to put BNC connectors on all QRP gear.

Not only is it too easy to damage the center pin/socket, BNC is a "clamp"
type connector and is prone to improper assembly.  Having "grown up" with
Heathkit, I would rather have RCA connectors - the old kind where the shield
can be soldered all the way around - than BNC connectors on RF devices below
50 MHz and less than 50 Watts.

73,

    ... Joe, W4TV


On 4/26/2013 7:46 PM, Tim wrote:

> Hi,
>
> I wish it was standard practice to put BNC connectors on all QRP gear.
>
> Tim
> KE4KE
>
>
> On 4/26/13 6:36 PM, Jeff Herr wrote:
>> I will end up taking the units (kx3 and that nice amp) with me as I
>> travel.
>>
>> In effect now we are forced to need adapters.
>>
>> Do you think BNC connection is not suitable from an engineering
>> perspective?
>>
>> WW6L
>>
>>
>>
>> ______________________________________________________________
>> 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
> Help: http://mailman.qth.net/mmfaq.htm
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> list: http://www.qsl.net/donate.html
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Re: why mix rf connector types within the product line?

Gary Gregory-2
In reply to this post by Jeff Herr
Maybe they want to be the same as others when it comes to 100w output hf
amps?

QRP standard seems to be BNC

I am guessing.

Gary
Vk1ZZ
K3, KX3, KPA500-FT, KAT500-FT,P3.
On 27/04/2013 11:37 AM, "Jeff Herr" <[hidden email]> wrote:

> The radio I bought from elecraft uses bnc.
> The antenna I bought from elecraft uses bnc.
>
> Why does the amp connector type need to be the venerable UHF connector??
>
>
>
>
>
> -----Original Message-----
> From: [hidden email] [mailto:[hidden email]] On Behalf Of iain
> macdonnell - N6ML
> Sent: Friday, April 26, 2013 17:19
> To: Jeff Herr
> Subject: Re: [Elecraft] why mix rf connector types within the product line?
>
> On Fri, Apr 26, 2013 at 5:12 PM, Jeff Herr <[hidden email]> wrote:
> > Portability.
> >
> > Every little thing adds up.  Any connection you can eliminate is good.
> >
> > One adapter adds two connections.
>
> Did you even look at the cable I referenced? You can't eliminate the cable
> between the transceiver and the amp .. so just get one with the right
> connectors and you're set. No adapters needed.
>
>
> > Unless there is an engineering related reason?
> >
> >
> >
> >
> >
> >
> > Is there one?
>
> I can't speak for the designers ... but my guess would be that the
> KXPA100 is designed to be a standalone product. The KX3 was the main
> motivation for creation of the product, but it's not a KX3-specific.
> SO-239 is the industry standard for HF gear, except QRP, as stated by
> others.
>
> 73,
>
>     ~iain / N6ML
>
>
>
>
> > -----Original Message-----
> > From: [hidden email] [mailto:[hidden email]] On Behalf Of iain
> > macdonnell - N6ML
> > Sent: Friday, April 26, 2013 16:58
> > To: Jeff Herr
> > Cc: [hidden email]
> > Subject: Re: [Elecraft] why mix rf connector types within the product
> line?
> >
> > Others have articulated some reasons.
> >
> > Why is this such a big deal for you? That is the other question....
> >
> > 73,
> >
> >     ~iain / N6ML
> >
> >
> > On Fri, Apr 26, 2013 at 4:55 PM, Jeff Herr <[hidden email]> wrote:
> >> I don't want to buy or make or use any adapters.
> >>
> >> Why not keep the connector consistent across the product line?
> >>
> >> That is the question!
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> -----Original Message-----
> >> From: [hidden email] [mailto:[hidden email]] On Behalf Of iain
> >> macdonnell - N6ML
> >> Sent: Friday, April 26, 2013 16:53
> >> To: Jeff Herr
> >> Cc: [hidden email]
> >> Subject: Re: [Elecraft] why mix rf connector types within the product
> > line?
> >>
> >> On Fri, Apr 26, 2013 at 4:36 PM, Jeff Herr <[hidden email]> wrote:
> >>> I will end up taking the units (kx3 and that nice amp) with me as I
> >> travel.
> >>>
> >>> In effect now we are forced to need adapters.
> >>
> >> Or you could get some thing like:
> >>
> >> http://abrind.com/product/rg58au-rg8x-240uf-95tc-braid-100-foil-coax-
> >> c able-a ssemblies-bnc-n-pl259-sma-so23/pl259-to-bnc-male-jumpers/
> >>
> >> I can't vouch for ABR's products (never tried them). Personally, I
> >> would make my own....
> >>
> >> 73,
> >>
> >>     ~iain / N6ML
> >>
> >
>
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Re: why mix rf connector types within the product line?

Jeff Herr
In reply to this post by David Christ
Finally! Some I can agree with!


You take the prize!

I wont use that type of cable on a trail radio.






-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of David Christ
Sent: Friday, April 26, 2013 18:14
To: Craig Smith
Cc: [hidden email] Reflector
Subject: Re: [Elecraft] why mix rf connector types within the product line?

I can think of one other reason why UHF has hung around so long.  It is
cheap, easy to find, and mates nicely with the oh so common RG-8 sized cable
that is generally used in HF shacks.  N would probably be a better choice
but is more expensive and fussier to install.  BNC connectors for RG-8 do
exist but are not cheap.  A stiff chunk of RG-8/LMR400 can put quite a
strain on a BNC connector if not routed and supported properly.  

David K0LUM

On Apr 26, 2013, at 7:16 PM, Craig Smith wrote:

> Even at 100 W, BNC is clearly the best choice.   The first thing I did
when I got my K3 was to get rid of the UHF connectors and put in  proper
BNCs.

>
> 73  Craig  AC0DS
>
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