New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

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New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

wayne burdick
Administrator
We’re pleased to announce our KPA1500 solid-state amplifier, covering 160 to 6 meters. Max power output is 1500 Watts. Other important features include:

  - Small RF deck fits on nearly any desktop (~4.5 x 13 x 11.5”, HWD); weighs only ~22 pounds
  - Separate lightweight switching power supply weighs ~15 pounds (standard cable is 6 feet long)
  - Styling matches our other K-Line products
  - Built-in wide-range antenna tuner (ATU) with instant recall of per-band/per-segment settings
  - Dual antenna jacks
  - Rich I/O complement including Ethernet
  - Interfaces to nearly any transceiver; fully integrated with K3 and K3S
  - Extensive parametric monitoring ensures safe operation
  - Silent PIN-diode T/R switching (no QSK relays)

Introductory price: $5995.

For photos and additional information, use the links below:

   http://www.elecraft.com/KPA1500/KPA1500%20FAQ%20rev%20A1b.pdf


If you’d like to be notified when we begin taking orders, please contact Elecraft. Or add your name to the list at the Visalia DX convention this weekend.

Required notification: "This device has not yet been authorized as required by FCC rules. It is not, and may not be
offered for sale, or lease, or sold or leased, until authorization is obtained."

73,
Wayne, N6KR
Eric, WA6HHQ

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Re: [Elecraft_K3] New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

Ken K6MR
The Elecraft folks should be in charge of government secrets… nothing would ever leak  :^)

One interesting item in the rear panel photo: Tx Sample.  Output for “Pure Signal” style IMD improvement using pre-distortion in an SDR radio?

Ken K6MR

From: 'Stephen Bloom' [hidden email] [Elecraft_K3]<mailto:[hidden email]>
Sent: Thursday, April 20, 2017 9:40 PM
To: [hidden email]<mailto:[hidden email]>
Subject: RE: [Elecraft_K3] New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply


Wow …Wayne and Eric, you do realize, this is the closest thing ever to a unicorn turning real, right?

Congrats/73
Steve KL7SB who *will* own 1 or 2 of these puppies


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Re: [Elecraft_K3] New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

wayne burdick
Administrator
Ken K6MR <[hidden email]> wrote:

> One interesting item in the rear panel photo: Tx Sample.  Output for “Pure Signal” style IMD improvement using pre-distortion in an SDR radio?

Yes.

Wayne
N6KR



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Re: [Elecraft_K3] New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

Wes Stewart-2
Not enough full power tuner range.
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Re: [Elecraft_K3] New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

Ken K6MR
In reply to this post by Ken K6MR
The Anan SDR folks are doing this using an external coupler feeding one of the receivers in the Anan. Google “Pure Signal”, which is their name for the implementation.  I think it’s a VK who is doing the firmware. There are a few YouTube videos showing the end result, and it is really impressive.  The basic concept is pretty simple, but as always the devil is in the details. Way above my pay grade :^)

Ken K6MR


From: 'Stephen Bloom' [hidden email] [Elecraft_K3]<mailto:[hidden email]>
Sent: Thursday, April 20, 2017 11:20 PM
To: [hidden email]<mailto:[hidden email]>
Subject: RE: [Elecraft_K3] New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply


Ken:

How would one implement this.  I know that the real weak spot amongst the high power solid state amps available to the Amateur community has been high IMD, due to what I understand are limits to the existing DMOS chips.

Thanks/73
Steve KL7SB


From: [hidden email] [mailto:[hidden email]]
Sent: Thursday, April 20, 2017 8:48 PM
To: [hidden email]
Subject: RE: [Elecraft_K3] New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply


The Elecraft folks should be in charge of government secrets… nothing would ever leak  :^)

One interesting item in the rear panel photo: Tx Sample.  Output for “Pure Signal” style IMD improvement using pre-distortion in an SDR radio?

Ken K6MR



.


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Re: New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

iw2noy
In reply to this post by wayne burdick
wayne burdick wrote
We’re pleased to announce our KPA1500 solid-state amplifier, covering 160 to 6 meters. Max power output is 1500 Watts. Other important features include:

  - Small RF deck fits on nearly any desktop (~4.5 x 13 x 11.5”, HWD); weighs only ~22 pounds
  - [...]
 

 - Silent PIN-diode T/R switching (no QSK relays)


Can't believe it... YOU DID IT !!! O_O
Great result !

I love Elecraft ;-)

73's de iw2noy / w2noy
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Re: New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

Clay Autery
In reply to this post by wayne burdick
Wayne, Eric, and everyone else who had/has a hand in making this happen:

Well done!  Simply superb effort to overcome multiple and significant
obstacles on many fronts.

Please, do place me on the list of folks keenly interested in knowing
when one might place an order/pre-order.  :-)

Out-friggin'-standing!!

73,

______________________
Clay Autery, KY5G

On 4/20/2017 11:01 PM, Wayne Burdick wrote:

> We’re pleased to announce our KPA1500 solid-state amplifier, covering 160 to 6 meters. Max power output is 1500 Watts. Other important features include:
>
>   - Small RF deck fits on nearly any desktop (~4.5 x 13 x 11.5”, HWD); weighs only ~22 pounds
>   - Separate lightweight switching power supply weighs ~15 pounds (standard cable is 6 feet long)
>   - Styling matches our other K-Line products
>   - Built-in wide-range antenna tuner (ATU) with instant recall of per-band/per-segment settings
>   - Dual antenna jacks
>   - Rich I/O complement including Ethernet
>   - Interfaces to nearly any transceiver; fully integrated with K3 and K3S
>   - Extensive parametric monitoring ensures safe operation
>   - Silent PIN-diode T/R switching (no QSK relays)
>
> Introductory price: $5995.
>
> For photos and additional information, use the links below:
>
>    http://www.elecraft.com/KPA1500/KPA1500%20FAQ%20rev%20A1b.pdf
>
>
> If you’d like to be notified when we begin taking orders, please contact Elecraft. Or add your name to the list at the Visalia DX convention this weekend.
>
> Required notification: "This device has not yet been authorized as required by FCC rules. It is not, and may not be
> offered for sale, or lease, or sold or leased, until authorization is obtained."
>
> 73,
> Wayne, N6KR
> Eric, WA6HHQ

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Re: New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

Jessie Oberreuter-2

      I have to keep physically restraining myself from placing an order
just for the pleasure of owning one!  It's *just* *so* *Elecraft*! :).

- kb7psg

On Fri, 21 Apr 2017, Clay Autery wrote:

> Wayne, Eric, and everyone else who had/has a hand in making this happen:
>
> Well done!  Simply superb effort to overcome multiple and significant
> obstacles on many fronts.
>
> Please, do place me on the list of folks keenly interested in knowing
> when one might place an order/pre-order.  :-)
>
> Out-friggin'-standing!!
>
> 73,
>
> ______________________
> Clay Autery, KY5G
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Re: New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

wayne burdick
Administrator
In reply to this post by Clay Autery
Hi Clay,

You're on the list. Thanks!

Wayne
N6KR


----
http://www.elecraft.com

> On Apr 21, 2017, at 10:44 AM, Clay Autery <[hidden email]> wrote:
>
> Wayne, Eric, and everyone else who had/has a hand in making this happen:
>
> Well done!  Simply superb effort to overcome multiple and significant
> obstacles on many fronts.
>
> Please, do place me on the list of folks keenly interested in knowing
> when one might place an order/pre-order.  :-)
>
> Out-friggin'-standing!!
>
> 73,
>
> ______________________
> Clay Autery, KY5G
>
>> On 4/20/2017 11:01 PM, Wayne Burdick wrote:
>> We’re pleased to announce our KPA1500 solid-state amplifier, covering 160 to 6 meters. Max power output is 1500 Watts. Other important features include:
>>
>>  - Small RF deck fits on nearly any desktop (~4.5 x 13 x 11.5”, HWD); weighs only ~22 pounds
>>  - Separate lightweight switching power supply weighs ~15 pounds (standard cable is 6 feet long)
>>  - Styling matches our other K-Line products
>>  - Built-in wide-range antenna tuner (ATU) with instant recall of per-band/per-segment settings
>>  - Dual antenna jacks
>>  - Rich I/O complement including Ethernet
>>  - Interfaces to nearly any transceiver; fully integrated with K3 and K3S
>>  - Extensive parametric monitoring ensures safe operation
>>  - Silent PIN-diode T/R switching (no QSK relays)
>>
>> Introductory price: $5995.
>>
>> For photos and additional information, use the links below:
>>
>>   http://www.elecraft.com/KPA1500/KPA1500%20FAQ%20rev%20A1b.pdf
>>
>>
>> If you’d like to be notified when we begin taking orders, please contact Elecraft. Or add your name to the list at the Visalia DX convention this weekend.
>>
>> Required notification: "This device has not yet been authorized as required by FCC rules. It is not, and may not be
>> offered for sale, or lease, or sold or leased, until authorization is obtained."
>>
>> 73,
>> Wayne, N6KR
>> Eric, WA6HHQ
>
> ______________________________________________________________
> 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
> Message delivered to [hidden email]
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Re: New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

ab2tc
Hi Wayne/Eric and all,

Congratulations; it looks you have done what everybody wanted. Do you have any data on IMD at the 1500W level? I have been pleading with you in the past to take the lead in improving the miserable record of solid state PA stages. Is it happening?

AB2TC - Knut
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Re: [Elecraft_K3] New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

Fred Townsend-2
In reply to this post by wayne burdick
Hi Wayne:

I noticed you are using the big Power Poles for the DC HV. I also note the cable length is listed at 5.5’ and that longer cable lengths will be supported. I have found that high currents cables can be a PITA. I hope that you are using high flex welding cables, hopefully the kind with embedded control lines so that Kelvin sensing can be used for longer cable lengths.

Are the fans temperature controlled liked KPA500?

I also have not seen the drive requirements listed. Have we gotten around the FCC 13db rule?

Finally, you need to proof the FAQ one more time. You have ‘cable’ in place of ‘cabinet’ in one place.

 

73

Fred, AE6QL

 

From: [hidden email] [mailto:[hidden email]]
Sent: Thursday, April 20, 2017 9:01 PM
To: Elecraft Reflector
Cc: [hidden email]; [hidden email]
Subject: [Elecraft_K3] New from Elecraft: KPA1500 amplifier with built-in ATU, separate power supply

 

 

We’re pleased to announce our KPA1500 solid-state amplifier, covering 160 to 6 meters. Max power output is 1500 Watts. Other important features include:

- Small RF deck fits on nearly any desktop (~4.5 x 13 x 11.5”, HWD); weighs only ~22 pounds
- Separate lightweight switching power supply weighs ~15 pounds (standard cable is 6 feet long)
- Styling matches our other K-Line products
- Built-in wide-range antenna tuner (ATU) with instant recall of per-band/per-segment settings
- Dual antenna jacks
- Rich I/O complement including Ethernet
- Interfaces to nearly any transceiver; fully integrated with K3 and K3S
- Extensive parametric monitoring ensures safe operation
- Silent PIN-diode T/R switching (no QSK relays)

Introductory price: $5995.

For photos and additional information, use the links below:

http://www.elecraft.com/KPA1500/KPA1500%20FAQ%20rev%20A1b.pdf

If you’d like to be notified when we begin taking orders, please contact Elecraft. Or add your name to the list at the Visalia DX convention this weekend.

Required notification: "This device has not yet been authorized as required by FCC rules. It is not, and may not be
offered for sale, or lease, or sold or leased, until authorization is obtained."

73,
Wayne, N6KR
Eric, WA6HHQ

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