Re: [Elecraft] Transverters on the K2, IF Frequencies, No 10 Mhz Option?

[Harry Yingst via Elecraft]

I am unable to select 10 Mhz for an IF for transverter use only selections are 
7,14,21, or 28

10 Mhz is enabled (can you disable a band on the K2) and works as a regular 
band.






  From: Don Wilhelm 
 To: Harry Yingst ; Elecraft Reflector 
 
 Sent: Tuesday, February 28, 2017 8:37 PM
 Subject: Re: [Elecraft] Transverters on the K2, IF Frequencies, No 10 Mhz 
Option?
   
Harry,

Do you have 10MHz mapped out for the band selection process?

73,
Don W3FPR

On 2/28/2017 6:16 PM, Harry Yingst via Elecraft wrote:
>
> As per the K60XV Assembly and Operating Instructions Page 18  "The IF field 
> can be set to 7, 10, 14, 21, or 28 MHz."
> When I go to set the IF the options are only 7, 14, 21, or 28 MHz.  The 10 
> MHz option is not available.
>
> I'm running the latest firmware v1.09 on the K2 and v1.02 on the K60XV  (or 
> so I would believe it to be as this is a new K2).
>


   
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Re: [Elecraft] Transverters on the K2, IF Frequencies, No 10 Mhz Option?

[Don Wilhelm]

Harry,

Do you have 10MHz mapped out for the band selection process?

73,
Don W3FPR

On 2/28/2017 6:16 PM, Harry Yingst via Elecraft wrote:


As per the K60XV Assembly and Operating Instructions Page 18  "The IF field can be 
set to 7, 10, 14, 21, or 28 MHz."
When I go to set the IF the options are only 7, 14, 21, or 28 MHz.  The 10 MHz 
option is not available.

I'm running the latest firmware v1.09 on the K2 and v1.02 on the K60XV   (or so 
I would believe it to be as this is a new K2).


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Re: [Elecraft] Transverters?

[Gil G.]

Thanks Don and David, good to know..

Gil.
--
PGP Key: http://keskydee.com/gil.asc

On Sep 8, 2012, at 9:56 PM, Don Wilhelm wrote:

> Gil,
> 
> The Elecraft XV series transverters were designed to interface with the K2, 
> and then extended to the K3.
> 
> If your K2 includes the K60XV option with its 1 mW TX and RX connections, the 
> operation is seamless.
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Re: [Elecraft] Transverters?

[Don Wilhelm]

Gil,

The Elecraft XV series transverters were designed to interface with the 
K2, and then extended to the K3.

If your K2 includes the K60XV option with its 1 mW TX and RX 
connections, the operation is seamless.  The K60XV transceiver ports 
connect to the transverter and the HF antenna connections can stay in place.

Without the K60XV, operation is still great, the transverter will accept 
up to an 8 watt input signal from the K2 high power output, but you will 
have to switch between the connection to the transverter and to the HF 
antenna.  Once that hurdle is passed, the operation is again seamless.

The K2 TRN menus allow you to set up the frequency display as you want 
it (including any offsets).

73,
Don W3FPR

On 9/8/2012 9:11 PM, Gil G. wrote:
> Thanks Ray,
>
> I should have mentioned that I was considering a 2m Elecraft transverter for 
> my K2...
>
> Gil.
> --
> PGP Key: http://keskydee.com/gil.asc
>
> On Sep 8, 2012, at 7:21 PM, Ray Sills wrote:
>
>> HI Gil:
>>
>> It depends on the transverter design.  I do not have any Elecraft 
>> transverters, but as I understand it, the Elecraft design is pretty seamless.
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Re: [Elecraft] Transverters?

[David Heinsohn]

I have the XV50 and XV144 on my K2.  And other than a separate power out 
LED on the front of the transverter, it becomes just like that band was 
installed on the K2.
David
On 9/8/2012 8:11 PM, Gil G. wrote:
> Thanks Ray,
>
> I should have mentioned that I was considering a 2m Elecraft transverter for 
> my K2...
>
> Gil.
> --
> PGP Key: http://keskydee.com/gil.asc
>
> On Sep 8, 2012, at 7:21 PM, Ray Sills wrote:
>
>> HI Gil:
>>
>> It depends on the transverter design.  I do not have any Elecraft 
>> transverters, but as I understand it, the Elecraft design is pretty seamless.
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>
> -
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>
>



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Re: [Elecraft] Transverters?

[Gil G.]

Thanks Ray,

I should have mentioned that I was considering a 2m Elecraft transverter for my 
K2...

Gil.
--
PGP Key: http://keskydee.com/gil.asc

On Sep 8, 2012, at 7:21 PM, Ray Sills wrote:

> HI Gil:
> 
> It depends on the transverter design.  I do not have any Elecraft 
> transverters, but as I understand it, the Elecraft design is pretty seamless.
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Re: [Elecraft] Transverters setup

[Don Wilhelm]

Phil,

It sounds like you have either the frequency offset or the IF frequency 
 currently set to 14.000 MHz - something to check out.  Look at all the 
parameters for the TRN3 entry and you will find one of them incorrect. 
The IF frequency should be 28 MHz.


73,
Don W3FPR

Phillip Buckholdt wrote:

Hi all

I am using a XV-50 and XV-144.  I am now finishing a Xv-432. When 
setting up in the K-2 menu as TRN3, setting the operating freq. as 432 
and exiting the menu, then going to TRN3 the dispayed frequency is 
418.000.  To get the K-2 display to read 432.000, I have to set the 
Freq. to 446 in the setup menu. Is this right??  Can't find any 
reference to this in the K-2, XV60 or XV432 manuals.


  Does anyone have had this problem?

Thanks de Phil

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Re: [Elecraft] Transverters

[Robert Friess]

Hi Kevin,

I designed the XV transverters for Elecraft and will attempt to answer your 
question.


Receiver design always requires some compromise between sensitivity and
dynamic range.  To maximize sensitivity, lossy elements, like filters, are
moved farther away from the antenna to minimize their effect on noise
figure.  Sufficient gain is also provided to minimize the effect of the
noise figure of the following stages of the receiver which in this case is
the transceiver used with the transverter.  To maximize dynamic range, the
receiver designer would do just the opposite.  Selectivity would be placed
as close to the receiver input as possible and gain would be minimized.

The XV transverters in standard configuraton attempt to balance these
requirements in a way that is optimum for most users.  We do recognize that
there are situations such as very high interference environments or when
external preamps are used, or when a very low noise figure IF transceiver is 
used,

where the standard configuration is no longer
optimum.  It is for this reason that the manual includes instructions to
remove the ERA amplifier from the signal path to reduce the gain of the
receiver ahead of the narrowband filters.

73,
Bob, N6CM


- Original Message - 
From: "Kevin Murphy" <[EMAIL PROTECTED]>

To: 
Sent: Wednesday, April 05, 2006 12:34 AM
Subject: [Elecraft] Transverters



Hi,
I notice a trend with the Elecraft transverters, in that there is a second 
RF device, such as a ERA or MAV MMIC following the 1st RF RX device.


With most other designs I have seen, there is a filter between the 1st and 
second RF amplifier stages to limit out of band signals being amplified by 
the second RF stage.


In rural areas there is a lesser need for out of band  filtering, but in 
suburbia there are many out of band signals.


Comments please?

Kevin
ZL1UJG

PS I don't own  a Elecraft XV series transverter.

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Re: [Elecraft] Transverters - 432 MHZ ?

[G. Beat]

Any idea when an Elecraft 432 / 440 MHz transverter may be available?

.. yes I know that it requires a different PC board layout than 50, 144 & 
222 MHz transverters.


73, Greg
w9gb

===
Message: 7
Date: Wed, 01 Sep 2004 11:43:16 -0700
From: Eric Swartz WA6HHQ - Elecraft <[EMAIL PROTECTED]>
Subject: Re: [Elecraft] Transverters; New QST Review Link
To: "Rajiv Dewan, N2RD" <[EMAIL PROTECTED]>
Cc: elecraft@mailman.qth.net
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

For inquiring minds, the direct link to the Oct. QST review of the
XV-144 is:

http://www.arrl.org/members-only/prodrev/pdf/pr0410.pdf

(The link doesn't show up yet in the regular members only 'what's new'
section.)

73, Eric



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Re: [Elecraft] Transverters; New QST Review Link

[Eric Swartz WA6HHQ - Elecraft]

For inquiring minds, the direct link to the Oct. QST review of the 
XV-144 is:


http://www.arrl.org/members-only/prodrev/pdf/pr0410.pdf

(The link doesn't show up yet in the regular members only 'what's new' 
section.)


73, Eric
==

Rajiv Dewan, N2RD wrote:


The transverters are excellent.  Easy to build and awesome performance.

I ordered my first Elecraft product, a  XV144 - the 2m transverter, a 
week ago.  Took just a few hours to assemble it, and it was easy to 
align and setup.   I have done a fair bit of kit building and home 
brewing  (DSP10, Tandem Match, KK7B R1 and R2, and others).  This is 
smoothest kit yet.


And in Elecraft tradition, the outcome is world class.  Just see the 
review of the transverter in October's QST Product Review.  It beats 
the Down East Transverter hands down and measures up to the gold 
standard - the SSB LT2S which cost $900 (and is not available any more.)




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Re: [Elecraft] Transverters

[Tom Bosscher]

 If only I could rig up a pan adapter for the K2, I'd use that as an IF 
rig instead of the Kenwood 850.


Raj,

As an alternative, N4PY's software control program has a bandscan 
function, that when you press it, it takes over the K2 for about 10 
seconds, and scans the bandwidth you want, and shows the display on a 
quasi-spectrum analyzer screen shot. Works very well.

http://www.ralabs.com/n4py/

Also, on six meters, I have an older Icom 551D. The receiver blows 
wind, but it transmits OK. Receive audio is just oh so bad! In looking at 
the Icom diagram, the IF shift uses a 10.xx MHz IF. Hmm. So I tapped that 
feed, and ran that to my K2, which picked up the IF signal on the 10 MHz 
band. Now I have the clean K2 receive audio. Basically, I tune with the 
Icom, and transmit with it, but receive on the K2. Kinda weird, but it 
works. I'm saving up the nickels to buy another K2 ( so I can be on six and 
the low bands at the same time), and of course a Elecraft six meter 
transverter.


And for Elecrafts next item: Oh would I like a box that taps the 
K2 IF, and is a spectrum analyzer. The output would be VGA, to plug into 
your monitor, or USB/UTP connection. That UTP connection would also tie 
into the K2 rs-232 for control across any network. (UTP connectors with 
built in web browers are around $ 40 today)


Someday,

73, Tom K8IIE




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Re: [Elecraft] Transverters

[Rajiv Dewan, N2RD]

The transverters are excellent.  Easy to build and awesome performance.

I ordered my first Elecraft product, a  XV144 - the 2m transverter, a 
week ago.  Took just a few hours to assemble it, and it was easy to 
align and setup.   I have done a fair bit of kit building and home 
brewing  (DSP10, Tandem Match, KK7B R1 and R2, and others).  This is 
smoothest kit yet.


And in Elecraft tradition, the outcome is world class.  Just see the 
review of the transverter in October's QST Product Review.  It beats 
the Down East Transverter hands down and measures up to the gold 
standard - the SSB LT2S which cost $900 (and is not available any 
more.)  The closest commercial competitor today is DB6NT's TR144H that 
costs a $1,000 Euro  - about $1,200 and its still incomplete (needs 
special options/parts to work with low power transverter outputs like 
that from Yaesu 1KMP, provide IF swithcing, etc).


I am so impressed with Elecraft's transverter that just after building 
the XV144, I ordered the XV222.  Can't wait for the XV432.  If only I 
could rig up a pan adapter for the K2, I'd use that as an IF rig 
instead of the Kenwood 850.


I guess I've joined the family of Elecraft fans.

Regards,
Raj

--
Rajiv Dewan, N2RD
[EMAIL PROTECTED]
FN13fc

--
On Sep 1, 2004, at 10:28 AM, Paul wrote:


Reflector members,

Just a note about the Elecraft Transverters...

So very little has been written or posted on the reflector about these 
units.  These deserve a much higher profile in the product line.  I 
urge every Elecrafter to try out one of these kits.  It compliments 
the K2 line so nicely and the rigs perform so well!  I put together 
two of them and they do liven up the activity in the shack.  I will 
complete the third one this fall.


I cannot speak more highly of the units.  Performance, as expected is 
right up there with the entire K2 line.


If you have given any of transverters a consideration and then 
hesitated or not made the purchase - please - reconsider and do make 
the purchase!!  You will have a blast working with them.


They are high performance - and they look so good with the K2.

Thank you

Paul
K8QT
#3479

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Re: [Elecraft] Transverters

[Don Brown]

Hi

Make sure you are using the BNC on the right (J3) when looking at the back for 
the TX IF in and the one on the left (J2) for the RX IF out. The silk screen is 
backwards on some of the rear panels and there may be a little label over the 
original silk screen with the correct information on it. I have two early XVxxx 
and the silkscreen was backwards on both of them. You can order the correct 
label from Elecraft. Obviously the transverter will not work if the IF cables 
are reversed. This had me going in circles on one I built recently. When using 
the transverter with a single TX/RX cable J2 and J3 are connected together so 
it does not matter which one you use. But when using separate TX and RX cables 
the paths are split and J2 must be used for the RX and J3 for the TX.

The BNC tees will need to mount at a 45 degree angle and you will need to make 
up several short 3-6 inch coax jumpers to use to connect the transverter stack. 
You will also need to make a pair of BNC to RCA cables 2-3 feet to connect the 
transverter stack to the K2/XV60M

Don Brown
KD5NDB


  - Original Message - 
  From: Paul 
  To: Elecraft@mailman.qth.net 
  Sent: Tuesday, July 06, 2004 9:19 PM
  Subject: [Elecraft] Transverters


  Reflector Members and specifically: 

  Simon Lewis
  Don Brown
  Eric Swartz

  Thank you for the help on the transverters.  This evening I removed the AB 
switch and made up connectors with RCA's coming off of the 60 meter module 
option and BNC on the other end for the Transverters. but now I have a 
problem with incoming audio.  Yesterday, using the AB switch,  the incoming 
signal volume worked fine and now there is hardly and audible signal and no 
reading or just barely an S1 bar on incoming signals.  

  So maybe I jumpered something wrong or I used the wrong connection diagram or 
maybe I did not properly tune the 60 meter upgrade module when I put it in. 

  Can any of you offer some insight into where I might start my troubleshooting 
on this

  FYI :

  I am using the diagram on page 66 of the transverter manual and I used the 
jumper setting for -20 dBm(.01) to 0 dBm(1 mW) which is listed as the following 
connections:

  JP1:  1-2
  JP2:  2-3
  JP3:  1-2
  JP4:  1-2
  JP5:  2-3
  JP6   2-3

  This XV144 is deaf as can be now.. and it was not with the High RF output and 
an AB switch.  So I have missed something somewhere!  XV 50 is low audio too.


  By the way - How do you get those BNC  T-connectors to fit back there.  I had 
to use them in the vertical positon and then set the transverters on a book so 
they did not bend the wires coming out of the bottom of the T-connector when 
hooked up to the transverters.  Are you using a special BNC designed T 
connector that fits back there?  

  Thanks
  Paul 
  K8QT
  #3479 K2/100
  XV144 and XV50





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Re: [Elecraft] Transverters

[Eric Swartz WA6HHQ - Elecraft]

Hi Paul,

We also offer the K60XV internal transverter interface option for the K2. It 
has a separate low level output for the driving transverters and automatically 
switches to that output from the K2's HF output when you select a transverter 
band.


To correct for the 100 Hz offset go into the K2's transverter menu area. There 
is a +/- offset setting that will compensate for this.


73, Eric  WA6HHQ
-
Paul wrote:


Reflector Members,

Those of you using Elecraft TransvertersAre all of you using an A/B type switch to go from HF to VHF on the K2' transverter hookup?  


I was a little surprised to see that to get the Drive RF to the transverters 
required the use of an external or separate switch that would require the 
individual to switch from the HF antenna to the transverters with an external 
switch.

Is there any way to use those lower drive RCA connectors to eliminate the 
switch?

Second question - my 144 transverter is about 100 cycles high.  Is there a way to correct this?  


Paul
K8QT



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Re: [Elecraft] Transverters

[Don Brown]

HI

Yes if you install the KX60M option then the switching is not required on the 
antenna because the K2 RF is not required to drive the transverter. The drive 
comes from the low level output on the KX60M not the K2 finals. The K2 output 
circuit is turned off when the transverter is selected on the band switch and 
low level drive is selected in the menu. 

The XV144/222 does not have a frequency adjustment for the local oscillator 
(although the XV50 does) There is an offset adjustment in the K2 transverter 
menu to compensate for slight frequency variations. This will allow you to 
adjust the K2 dial indicator to the correct frequency for your transverter. 
Each of the six transverter menu selections have their own offset setting.

Don Brown

KD5NDB
  - Original Message - 
  From: Paul 
  To: Elecraft@mailman.qth.net 
  Sent: Tuesday, July 06, 2004 8:31 AM
  Subject: [Elecraft] Transverters


  Reflector Members,

  Those of you using Elecraft TransvertersAre all of you using an A/B 
type switch to go from HF to VHF on the K2' transverter hookup?  

  I was a little surprised to see that to get the Drive RF to the transverters 
required the use of an external or separate switch that would require the 
individual to switch from the HF antenna to the transverters with an external 
switch.

  Is there any way to use those lower drive RCA connectors to eliminate the 
switch?




  Second question - my 144 transverter is about 100 cycles high.  Is there a 
way to correct this?  

  Paul
  K8QT


   
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RE: [Elecraft] Transverters

[Simon Lewis]

Paul,

I would never recommend such a device if your a serious VHFr

They leak and will pick up alot of external signals that are not on VHF!

I think a famous DX record in the UK was claimed by two 28 MHz drivers and 
leaky connections in the 70s!


I would only recommend good solid cables and connectors and no switch if 
your wanting your system to remain at the best performance. The A/B type 
switches are generally not good and will "leak" signal across the switch 
ports.


You can use the offset command in the K2 menu to trim the transverter onto 
an accurate external signal - as long as your really sure that your are 
100Hz off!!! dont rely on the local beacon ;-)


regards

Simon DL4PLM/GM4PLM



From: "Paul" <[EMAIL PROTECTED]>
To: 
Subject: [Elecraft] Transverters
Date: Tue, 6 Jul 2004 09:31:22 -0400

Reflector Members,

Those of you using Elecraft TransvertersAre all of you using an A/B 
type switch to go from HF to VHF on the K2' transverter hookup?


I was a little surprised to see that to get the Drive RF to the 
transverters required the use of an external or separate switch that would 
require the individual to switch from the HF antenna to the transverters 
with an external switch.


Is there any way to use those lower drive RCA connectors to eliminate the 
switch?





Second question - my 144 transverter is about 100 cycles high.  Is there a 
way to correct this?


Paul
K8QT



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