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K144XV 2M Module and W2 Wattmeter on Web Order Form

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Eric Swartz - WA6HHQ

K144XV 2M Module and W2 Wattmeter on Web Order Form

Administrator

The K144XV 2M Module for the K3 and the W2 HF and VHF/UHF Wattmeter are
now on the Elecraft Web order form. (The first order came in less than 5
minutes after we uploaded it. Guess they were watching!)

One note: For the K144XV, please be sure to check the box that tells us
if you have a K3/10 or K3/100. We ship a different rear blank panel or
fan panel depending on which it is. (The antenna connector for the
K144XV mounts in a new replacement rear panel.)

Order form:
http://www.elecraft.com/elecraft_prod_list.htm

K144XV preliminary data sheet:
http://www.elecraft.com/manual/K144XV%20Data%20Sheet%20rev%204sm.pdf
or:
http://snipurl.com/k144xv

W2 preliminary data sheet:
http://www.elecraft.com/manual/W2%20Data%20Sheet%20rev%204sm.pdf
or:
http://snipurl.com/elecraftw2

73, Eric WA6HHQ
Elecraft

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Eric Swartz - WA6HHQ

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

Administrator

Also, please do not forget to select at least one directional coupler
for the W2, which is part of the base W2 price.

The W2 supports up to two directional couplers.

73, Eric

Eric Swartz - WA6HHQ, Elecraft wrote:

> The K144XV 2M Module for the K3 and the W2 HF and VHF/UHF Wattmeter
> are now on the Elecraft Web order form. (The first order came in less
> than 5 minutes after we uploaded it. Guess they were watching!)
>
> One note: For the K144XV, please be sure to check the box that tells
> us if you have a K3/10 or K3/100. We ship a different rear blank panel
> or fan panel depending on which it is. (The antenna connector for the
> K144XV mounts in a new replacement rear panel.)
>
> Order form:
> http://www.elecraft.com/elecraft_prod_list.htm
>
>
> K144XV preliminary data sheet:
> http://www.elecraft.com/manual/K144XV%20Data%20Sheet%20rev%204sm.pdf
> or:
> http://snipurl.com/k144xv
>
> W2 preliminary data sheet:
> http://www.elecraft.com/manual/W2%20Data%20Sheet%20rev%204sm.pdf
> or:
> http://snipurl.com/elecraftw2
>
>
> 73, Eric WA6HHQ
> Elecraft
>
>
>
>
>
>

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Brett Howard

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

In reply to this post by Eric Swartz - WA6HHQ

Can the K144XV be installed sans sub rx? It kinda looks like it mounts
to the top of the sub rx. Deeply apologize if this has already been
answered and I've missed it.

On Tue, 2009-05-26 at 16:51 -0700, Eric Swartz - WA6HHQ, Elecraft wrote:

> The K144XV 2M Module for the K3 and the W2 HF and VHF/UHF Wattmeter are
> now on the Elecraft Web order form. (The first order came in less than 5
> minutes after we uploaded it. Guess they were watching!)
>
> One note: For the K144XV, please be sure to check the box that tells us
> if you have a K3/10 or K3/100. We ship a different rear blank panel or
> fan panel depending on which it is. (The antenna connector for the
> K144XV mounts in a new replacement rear panel.)
>
> Order form:
> http://www.elecraft.com/elecraft_prod_list.htm
>
>
> K144XV preliminary data sheet:
> http://www.elecraft.com/manual/K144XV%20Data%20Sheet%20rev%204sm.pdf
> or:
> http://snipurl.com/k144xv
>
> W2 preliminary data sheet:
> http://www.elecraft.com/manual/W2%20Data%20Sheet%20rev%204sm.pdf
> or:
> http://snipurl.com/elecraftw2
>
>
> 73, Eric WA6HHQ
> Elecraft
>
>
>
>
>
> ______________________________________________________________
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KK7P

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

> Can the K144XV be installed sans sub rx?

Yes. The sub Rx is not a requirement for the K144XV, but it will take
advantage of it if present.

73,

Lyle KK7P

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Eric Swartz - WA6HHQ

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

Administrator

In reply to this post by Brett Howard

Yes - It has its own mounting bracket to the side of the K3 and can be
installed without or with the KRX3 sub rx. (You get a new K3 left side
panel with the new mounting holes.) It actually sits a little above the
sub RX and does not contact it.

The K144XV and KRX3 are totally independent mechanically.

73, Eric WA6HHQ

Brett Howard wrote:
> Can the K144XV be installed sans sub rx? It kinda looks like it mounts
> to the top of the sub rx. Deeply apologize if this has already been
> answered and I've missed it.
>
>
>
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Svend Spanget

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

In reply to this post by Eric Swartz - WA6HHQ

OK, the new K144XV-F costs 349.95. Also needed is KXV3A_UPGR (39.95). A
total of 396.90.
This is 26.95 more than XV144 and you don't have the
inconvenience/pleasure of building it yourself. The noise figure is worse
and the output power less than the half.
Are there any benefits at all with K144XV-F (besides not having an extra
box on the desk)?

73 de Svend, OZ7UV

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Rajiv Dewan, N2RD

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

I asked this very question at Dayton.

The K144XV will cover 4Mhz of the 2m band while the XV144 only covers
2MHz.

What I do not know is if K144XV allows 2m reception on the subreceiver.

Raj, N2RD

On May 27, 2009, at 3:55 AM, Svend Spanget wrote:

> OK, the new K144XV-F costs 349.95. Also needed is KXV3A_UPGR
> (39.95). A
> total of 396.90.
> This is 26.95 more than XV144 and you don't have the
> inconvenience/pleasure of building it yourself. The noise figure is
> worse
> and the output power less than the half.
> Are there any benefits at all with K144XV-F (besides not having an
> extra
> box on the desk)?
>
> 73 de Svend, OZ7UV
>
>
> ____________________________________________________________
>
> TDC Bredbånd for 0 kr.
> - Spar 695 kr. Se http://tdc.dk/freemailtilbud/
>
> Denne mail er sendt via Mail på TDC Online
> - Læs mere om TDC's mailtjeneste på http://mail.tdconline.dk/
> ____________________________________________________________
> ______________________________________________________________
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KK7P

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

> What I do not know is if K144XV allows 2m reception on the subreceiver.

Yes, it does.

>> OK, the new K144XV-F costs 349.95.

That's the factory built/installed version. The "kit" version
(K144XV-K) is listed at $299.95.

73,

Lyle KK7P

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wayne burdick

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

Administrator

In reply to this post by Rajiv Dewan, N2RD

Rajiv Dewan, N2RD wrote:

> What I do not know is if K144XV allows 2m reception on the subreceiver.

We have made provisions for this on an optional daughter board that
plugs into the main K144XV module. This option board will have at least
three features: (1) sub receiver AUX RF patch (to let the sub RX
receive on 2 m even if the main RX is on a different band); (2) 144 MHz
low-level I/O (for higher-band transverters); (3) a PLL to lock the
K144XV's crystal oscillator to the K3's 49.38 MHz reference oscillator.

This option will be available somewhat later than the K144XV itself,
and the price has not yet been set. It will be very easy to install.

73,
Wayne
N6KR

---

http://www.elecraft.com

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wayne burdick

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

Administrator

In reply to this post by Svend Spanget

Svend Spanget wrote:

> Are there any benefits at all with K144XV-F (besides not having an
> extra box on the desk)?

- coverage of entire 2-m band (144-148 MHz, U.S.)

- diode-switched T/R (no relays)

- full integration with K3 (including power-out bar graph, status
monitoring, etc.)

- future option module provides phase locking of crystal osc. to
K3's internal reference; sub-receiver access to 2 m; 144-MHz
low-level I/O

- simplified station wiring (RF, DC, control)

The K144XV increasing K3 band coverage to 160-2 m, which will be great
for those with limited space or the need for 2 m for
portable/mobile/marine operation. But it isn't for everyone, of course.
Some 2-m ops will prefer the slightly better NF and higher power output
of an external transverter.

73,
Wayne
N6KR

---

http://www.elecraft.com

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John Frerichs

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

The order form states for the K144XV-K: "IMPORTANT: Check one: __ For a K3/10 __ For a K3/100"

1. If I order the K144XV-K for the K3/10 and later upgrade to the K3/100 (by installing KPA3), what will this affect? Nothing seems to be mentioned on the order form nor the Press Release PDF as to *why* it's important.

2. I'm glad I didn't yet purchase the "old" KXV3 interface before the KXV3A was "released" for the K144XV-K option. I may have just saved myself $30, plus the cost of shipping the KXV3 back to Elecraft. Timing is everything!

Thanks,

John
N6VCW
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Iain MacDonnell - N6ML-2

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

John Frerichs wrote:
> The order form states for the K144XV-K: "IMPORTANT: Check one: __ For a K3/10 __ For a K3/100"
>
> 1. If I order the K144XV-K for the K3/10 and later upgrade to the K3/100 (by installing KPA3), what will this affect? Nothing seems to be mentioned on the order form nor the Press Release PDF as to *why* it's important.

I was mentioned in Eric's announcement yesterday - the antenna jack for
the K144XV is mounted on a replacement rear panel - if you have the
KPA3, you get a new fan panel. If not, you get a new "blank" panel.

I wonder if new KPA3's will be shipping with the new-style fan-panel
by default. I'm sure you could at least request the right panel if/when
you order the KPA3.

~Iain / N6ML

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KK7P

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

In reply to this post by John Frerichs

> The order form states for the K144XV-K: "IMPORTANT: Check one: __ For a K3/10 __ For a K3/100"
> Nothing seems to be mentioned on the order form nor the Press Release PDF as to *why* it's important.

The K144XV adds a BNC connector for the 2 meter antenna. 10 watt and
1200 watt K3s have a different rear panel plate.

73,

Lyle KK7P

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Dave - NX7F

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

Can I get one of these "1200 watt" K3s??? ;-)

-----Original Message-----
From: Lyle Johnson [mailto:[hidden email]]
Sent: Wednesday, May 27, 2009 1:48 PM
To: John Frerichs
Cc: [hidden email]
Subject: Re: [Elecraft] K144XV 2M Module and W2 Wattmeter on Web Order Form

The K144XV adds a BNC connector for the 2 meter antenna. 10 watt and
1200 watt K3s have a different rear panel plate.

73,

Lyle KK7P

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John Frerichs

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

In reply to this post by Iain MacDonnell - N6ML-2

Aha! That's the missing piece of the puzzle. Now I understand. Thanks.

John Frerichs wrote:
> The order form states for the K144XV-K: "IMPORTANT: Check one: __ For a K3/10 __ For a K3/100"
>
> 1. If I order the K144XV-K for the K3/10 and later upgrade to the K3/100 (by installing KPA3), what will this affect? Nothing seems to be mentioned on the order form nor the Press Release PDF as to *why* it's important.

I was mentioned in Eric's announcement yesterday - the antenna jack for
the K144XV is mounted on a replacement rear panel - if you have the
KPA3, you get a new fan panel. If not, you get a new "blank" panel.

I wonder if new KPA3's will be shipping with the new-style fan-panel
by default. I'm sure you could at least request the right panel if/when
you order the KPA3.

~Iain / N6ML
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KK7P

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

In reply to this post by Eric Swartz - WA6HHQ

> ...10 watt and 1200 watt K3s have a different rear panel plate.

The 1200 watt hasn't been released yet. We'll be using a single surface
mount 2N3906 PNP transistor in a Class I amplifier that will allow the
K3 to run on a single AA cell for up to 10 days, as long as the transmit
duty cycle significantly exceeds 101%. Any less and the battery quickly
goes flat and the transistor lets its smoke out, which is a one time event.

In the meantime, please use our 100 watt version with its corresponding
fan panel for your KPA3-equipped K3 and the K144XV.

73,

Lyle KK7P

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Jack Smith-6

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

Lyle:

Does this mean I no longer need the Dewar of liquid helium for cooling?

Jack K8ZOA

Lyle Johnson wrote:

>> ...10 watt and 1200 watt K3s have a different rear panel plate.
>>
>
> The 1200 watt hasn't been released yet. We'll be using a single surface
> mount 2N3906 PNP transistor in a Class I amplifier that will allow the
> K3 to run on a single AA cell for up to 10 days, as long as the transmit
> duty cycle significantly exceeds 101%. Any less and the battery quickly
> goes flat and the transistor lets its smoke out, which is a one time event.
>
> In the meantime, please use our 100 watt version with its corresponding
> fan panel for your KPA3-equipped K3 and the K144XV.
>
> 73,
>
> Lyle KK7P
>
> ______________________________________________________________
> Elecraft mailing list
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>
>

KK7P

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

Hello Jack!

> Does this mean I no longer need the Dewar of liquid helium for cooling?

Correct. Class I is one of those modes where practice is even better
than theory predicts!

Lyle

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w4sec

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

In reply to this post by Eric Swartz - WA6HHQ

It is also pending the release of a newer faster surface mount version of the Signetics Write-Only memory ICs (WOMs)-
Here is a link to the data sheet pdf-
http://www.national.com/rap/files/datasheet.pdf
-Pete

Jack Smith
Wed, 27 May 2009 15:48:04 -0700

Lyle:

Does this mean I no longer need the Dewar of liquid helium for cooling?

Jack K8ZOA

Lyle Johnson wrote:

--

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Jack Smith-6

Re: K144XV 2M Module and W2 Wattmeter on Web Order Form

I have a printed copy of the WOM data sheet obtained from Signetics many
many years ago.

Funny, but politically incorrect now, of course.

Jack K8ZOA

[hidden email] wrote:

> It is also pending the release of a newer faster surface mount version of the Signetics Write-Only memory ICs (WOMs)-
> Here is a link to the data sheet pdf-
> http://www.national.com/rap/files/datasheet.pdf
> -Pete
>
>
> Jack Smith
> Wed, 27 May 2009 15:48:04 -0700
>
> Lyle:
>
> Does this mean I no longer need the Dewar of liquid helium for cooling?
>
> Jack K8ZOA
>
>
> Lyle Johnson wrote:
>
>>> ...10 watt and 1200 watt K3s have a different rear panel plate.
>>>
>>>
>> The 1200 watt hasn't been released yet. We'll be using a single surface
>> mount 2N3906 PNP transistor in a Class I amplifier that will allow the
>> K3 to run on a single AA cell for up to 10 days, as long as the transmit
>> duty cycle significantly exceeds 101%. Any less and the battery quickly
>> goes flat and the transistor lets its smoke out, which is a one time event.
>>
>> In the meantime, please use our 100 watt version with its corresponding
>> fan panel for your KPA3-equipped K3 and the K144XV.
>>
>> 73,
>>
>>
>
> --
>
> ______________________________________________________________
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>