Re: [Elecraft] - K3 INTERFACE WITH LDG Z100A

[Dave B via Elecraft]

Hi Dan.

As I suspected, been done already!   Using a PIC microcontroller in this 
case.


I have one of the early LDG / Icom specific tuners (well, matching 
units) in my 4x4 that works well with the IC-706Mk2G, well, that's what 
it was designed for of course.


I have played with an Arduino between my shack radio (TS-870s) and a 
Yaesu FC1000, it sort of works, but I still need to "finesse" the timing 
between radio and tuner controller.   (Someone one time suggested 
talking direct to the outside tuner itself, but hey ho.)


I could not see anything in the AH-4 "Manual" where it can be configured 
for Yaesu/Icom or Kenwood, so I presume different firmware is needed for 
the PIC for each radio.   Elecraft rigs of course largely emulate the 
generic Kenwood remote control protocol, so it should be possible with 
that interface to do what's needed. (There is no such thing as a 
"Standard" universal rig control protocol, sadly...)


However, I think (from a quick skim through the document) that it can 
key a radio, and produce an audio tone that would in turn generate a 
"carrier" (dial +- tone frequency) from a SSB radio to do the job.  
Neat!  Just a bit more wiring to mix in an audio tone into the mic 
input, or in the case of some Kenwoods, just plumb the thing into the 
AUX/Accessory port, where as well as PTT you can feed TX Audio in too.


If the "Tuner" used can provide an ALC voltage back into the rig, to 
control/limit the TX power to what it needs, even better.


The firmware is quite well documented PIC source code, so could be 
adapted/altered as needed by anyone.


An interesting kit.

73.

Dave G8KBV



On 14/09/2022 11:26, Daniel Brown wrote:




Its been a bit since I’ve owned an LDG tuner, but, to my recollection, 
the interface was similar to what Icom uses on their AH-4. The LDG 
tuner was pretty much a drop in replacement for the Icom, with a very 
simple cable. And, there were, at one point, a couple sites online for 
“universal” interfaces to use with an AH-4 - here’s one:


https://www.hamoperator.com/Hamoperator/AH-4_Universal_Interface.html

http://www.hamoperator.com/Hamoperator/AH-4_Universal_Interface_files/ah4-manual-5.pdf

Near the end of that PDF is a description of how the interface works, 
including what signals are needed to do the tuning.


Again, to my recollection, the LDG tuner’s I’ve owned also have an 
auto-tune mode, where, if they see a mis-match while you’re 
transmitting, will automatically go through their cycle to find a 
better match.


The LDG group previously mentioned has Manuals available online as zip 
files.


Apologies if this is a bit vague, I sold my LDG, and just use the 
built in tuner on my K3 these days. I will say I think it would be 
nice if there was an easy drop in product or method for using a non 
Elecraft external or an at-the-antenna tuner with the Elecraft, such 
as the LDG or Icom’s, but I’ll leave that to the savvy entrepreneurs 
to bring to market.


73,
N8YSZ.



--
Dan Brown

On Sep 14, 2022, at 04:06, Dave B via Elecraft 
 wrote:


Morning...

Sounds like a job for an Arduino or PIC Micro, to interface between 
radio and ATU, and possibly with additional indicators/buttons etc...


ATU on one side (two I/O lines from the sound of things, with maybe 
some voltage level changing) and radio CAT interface on the other on 
a serial port (or whatever a K2/K3 or ??? needs.)


That is the sort of project where you may find someone else has 
already done something similar for other needs, so part way there, 
that you can adapt and build on.  (Google is your friend of course.)


Best of all, the needed development software is freely available (for 
zero cost) and the hardware is low cost too.  Plus...  LOTS of 
tutorials on-line to point you in the right direction...


From the below, it sounds like the needed event sequencing is already 
known too, that helps enormously.


A nice winter project...

73.

Dave G8kBV



On 13/09/2022 20:03, elecraft-requ...@mailman.qth.net wrote:

On 04/09/2022 09:37,elecraft-requ...@mailman.qth.net  wrote:

I looked up the Owner's Manual for the Z100A and it does not have
a "Molex" connector on the tuner.  The radio interface cable is a
miniDIN6.  The manual also does not list a cable for K3 (or any
Elecraft transceiver) - only the "IC106" cable for connecting power.

The DIN connector has 4 active pins it seems - plus and minus power, a
signal that should trigger the transceiver if you press the tune button
to trigger the radio to make RF, and a signal that indicates the tuning
process is complete.

None of the indication signals directly interface with the K3.

As others already said, I don't think the K3 has an interface for either
of these signals. The procedure would then be:
1. reduce output power on K3
2. press TUNE on K2 to start generating RF
3. Press TUNE on tuner to make it start a tune cycle
4. Tuner will indicate completion of cycle
5. Press TUNE to stop K2 generating power.
6. Restore RF 

Re: [Elecraft] - K3 INTERFACE WITH LDG Z100A

[Daniel Brown]




Its been a bit since I’ve owned an LDG tuner, but, to my recollection, the 
interface was similar to what Icom uses on their AH-4. The LDG tuner was pretty 
much a drop in replacement for the Icom, with a very simple cable. And, there 
were, at one point, a couple sites online for “universal” interfaces to use 
with an AH-4 - here’s one: 

https://www.hamoperator.com/Hamoperator/AH-4_Universal_Interface.html

http://www.hamoperator.com/Hamoperator/AH-4_Universal_Interface_files/ah4-manual-5.pdf

Near the end of that PDF is a description of how the interface works, including 
what signals are needed to do the tuning. 

Again, to my recollection, the LDG tuner’s I’ve owned also have an auto-tune 
mode, where, if they see a mis-match while you’re transmitting, will 
automatically go through their cycle to find a better match. 

The LDG group previously mentioned has Manuals available online as zip files. 

Apologies if this is a bit vague, I sold my LDG, and just use the built in 
tuner on my K3 these days. I will say I think it would be nice if there was an 
easy drop in product or method for using a non Elecraft external or an 
at-the-antenna tuner with the Elecraft, such as the LDG or Icom’s, but I’ll 
leave that to the savvy entrepreneurs to bring to market. 

73,
N8YSZ. 



--
Dan Brown

> On Sep 14, 2022, at 04:06, Dave B via Elecraft  
> wrote:
> Morning...
> 
> Sounds like a job for an Arduino or PIC Micro, to interface between radio and 
> ATU, and possibly with additional indicators/buttons etc...
> 
> ATU on one side (two I/O lines from the sound of things, with maybe some 
> voltage level changing) and radio CAT interface on the other on a serial port 
> (or whatever a K2/K3 or ??? needs.)
> 
> That is the sort of project where you may find someone else has already done 
> something similar for other needs, so part way there, that you can adapt and 
> build on.  (Google is your friend of course.)
> 
> Best of all, the needed development software is freely available (for zero 
> cost) and the hardware is low cost too.  Plus...  LOTS of tutorials on-line 
> to point you in the right direction...
> 
> From the below, it sounds like the needed event sequencing is already known 
> too, that helps enormously.
> 
> A nice winter project...
> 
> 73.
> 
> Dave G8kBV
> 
> 
> 
> On 13/09/2022 20:03, elecraft-requ...@mailman.qth.net wrote:
>> On 04/09/2022 09:37,elecraft-requ...@mailman.qth.net  wrote:
>>> I looked up the Owner's Manual for the Z100A and it does not have
>>> a "Molex" connector on the tuner.  The radio interface cable is a
>>> miniDIN6.  The manual also does not list a cable for K3 (or any
>>> Elecraft transceiver) - only the "IC106" cable for connecting power.
>> The DIN connector has 4 active pins it seems - plus and minus power, a
>> signal that should trigger the transceiver if you press the tune button
>> to trigger the radio to make RF, and a signal that indicates the tuning
>> process is complete.
>> 
>> None of the indication signals directly interface with the K3.
>> 
>> As others already said, I don't think the K3 has an interface for either
>> of these signals. The procedure would then be:
>> 1. reduce output power on K3
>> 2. press TUNE on K2 to start generating RF
>> 3. Press TUNE on tuner to make it start a tune cycle
>> 4. Tuner will indicate completion of cycle
>> 5. Press TUNE to stop K2 generating power.
>> 6. Restore RF power setting.
>> 
>> There is no integration between the K3 and the Z100A unfortunately.
>> 
>> LDG makes many tuner models, some actually talk to the radio to do part
>> of the above process automatically.
>> 
>> My suggestion is to join the LDG group at
>> https://groups.io/g/ldgelectronics
>> 
>> 73, Geert Jan PE1HZG
> 
> -- 
> Created on and sent from a Unix like PC running and using free and open 
> source software:
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
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> Message delivered to daniel.h.br...@gmail.com
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Re: [Elecraft] - K3 INTERFACE WITH LDG Z100A

[Dave B via Elecraft]

Morning...

Sounds like a job for an Arduino or PIC Micro, to interface between 
radio and ATU, and possibly with additional indicators/buttons etc...


ATU on one side (two I/O lines from the sound of things, with maybe some 
voltage level changing) and radio CAT interface on the other on a serial 
port (or whatever a K2/K3 or ??? needs.)


That is the sort of project where you may find someone else has already 
done something similar for other needs, so part way there, that you can 
adapt and build on.  (Google is your friend of course.)


Best of all, the needed development software is freely available (for 
zero cost) and the hardware is low cost too.  Plus...  LOTS of tutorials 
on-line to point you in the right direction...


From the below, it sounds like the needed event sequencing is already 
known too, that helps enormously.


A nice winter project...

73.

Dave G8kBV



On 13/09/2022 20:03, elecraft-requ...@mailman.qth.net wrote:

On 04/09/2022 09:37,elecraft-requ...@mailman.qth.net  wrote:

I looked up the Owner's Manual for the Z100A and it does not have
a "Molex" connector on the tuner.  The radio interface cable is a
miniDIN6.  The manual also does not list a cable for K3 (or any
Elecraft transceiver) - only the "IC106" cable for connecting power.

The DIN connector has 4 active pins it seems - plus and minus power, a
signal that should trigger the transceiver if you press the tune button
to trigger the radio to make RF, and a signal that indicates the tuning
process is complete.

None of the indication signals directly interface with the K3.

As others already said, I don't think the K3 has an interface for either
of these signals. The procedure would then be:
1. reduce output power on K3
2. press TUNE on K2 to start generating RF
3. Press TUNE on tuner to make it start a tune cycle
4. Tuner will indicate completion of cycle
5. Press TUNE to stop K2 generating power.
6. Restore RF power setting.

There is no integration between the K3 and the Z100A unfortunately.

LDG makes many tuner models, some actually talk to the radio to do part
of the above process automatically.

My suggestion is to join the LDG group at
https://groups.io/g/ldgelectronics

73, Geert Jan PE1HZG


--
Created on and sent from a Unix like PC running and using free and open source 
software:
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Re: [Elecraft] K3 INTERFACE WITH LDG Z100A

[Geert Jan de Groot]

On 04/09/2022 09:37, elecraft-requ...@mailman.qth.net wrote:

I looked up the Owner's Manual for the Z100A and it does not have
a "Molex" connector on the tuner.  The radio interface cable is a
miniDIN6.  The manual also does not list a cable for K3 (or any
Elecraft transceiver) - only the "IC106" cable for connecting power.


The DIN connector has 4 active pins it seems - plus and minus power, a 
signal that should trigger the transceiver if you press the tune button 
to trigger the radio to make RF, and a signal that indicates the tuning 
process is complete.


None of the indication signals directly interface with the K3.

As others already said, I don't think the K3 has an interface for either 
of these signals. The procedure would then be:

1. reduce output power on K3
2. press TUNE on K2 to start generating RF
3. Press TUNE on tuner to make it start a tune cycle
4. Tuner will indicate completion of cycle
5. Press TUNE to stop K2 generating power.
6. Restore RF power setting.

There is no integration between the K3 and the Z100A unfortunately.

LDG makes many tuner models, some actually talk to the radio to do part 
of the above process automatically.


My suggestion is to join the LDG group at
https://groups.io/g/ldgelectronics

73, Geert Jan PE1HZG



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Re: [Elecraft] K3 INTERFACE WITH LDG Z100A

[N4ST - Jim]

I have tried to find a way to interface a K3S with an LDG-200.
It needs a digital to analog conversion interface since the LDG uses discrete 
voltage levels as inputs for the proper band.  I don't know if the Z100A uses 
the same analog signaling.
In the mean time, I wrote a macro to drop my K3S to 20Watts, do a TUNE, wait 2 
seconds and then cancel the TUNE and bump the power back up to 70W for digital 
work.
A one-click mouse solution for using the LDG memory auto-tune.
_ 
73,
Jim - N4ST


-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Bob McGraw
Sent: Sunday, September 4, 2022 09:35
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 INTERFACE WITH LDG Z100A

I purchased a Z100A with the idea of interfacing it to a specific brand/model 
of radio.  I investigated the Z100A requirements to initiate the control of the 
tuner via the transceiver.   From my earlier work, I don't see there is a 
command from the K3 that will support the requirements of the Z100A.  However, 
there are many ICOM radios that do have the provision.  Thus the command comes 
from the radio.

 From the LDG manual:

"The LDG Z-100A includes the IC-104 DC power cable, as well as a three 
foot IC-100 Icom interface cable. However, interface cables for a 
plethora of other radios are available as an optional purchase, 
definitively making the Z-100A the last tuner you'll ever need to purchase.

Press "Tune" on Tuner - Keys Automatically

  * IC-105 Alinco interface cable - uses EDX-2 jack, DX-70 and DX-77
  * IC-108 Yaesu interface cable - uses TUN/LIN and KEY jacks, FT-891,
991/A, 857, 897, 100
  * IC-109 Yaesu interface cable - uses TUN/LIN jack, FT-DX10, 1200,
FT-950, 450 (NOTE: Do not select external tuner in settings)
  * IC-115 Yaesu interface cable - uses LINEAR jack, FT-DX101D, 3000
  * IC-106 Kenwood interface cable - uses AT-300 jack
  * IC-105 Alinco interface cable - SR8T, SR9T"
  * Compatible with any Icom radio that is AH-4 or AH-3 compatible. (6M
tuning from Tuner button for radios that are only AH-3 compatible)
  * Partial radio list: IC-706, 703, 718, 7000, 7100, 7200, 7300, 7410,
746, 756, 7600, 7610 (and all variants).

I find nothing to indicate the LDG100Z will interface with the K3.  In 
reviewing the signals on the ACC connector on the K3, I do not find one 
dedicated to the TUNE function. See page 20 in the manual, ACC(Accessory I/O)

73
Bob, K4TAX




Message: 13
Date: Fri, 02 Sep 2022 16:46:28 -0500
From: greg best
To:
Subject: [Elecraft] K3 INTERFACE WITH LDG Z100A
Message-ID:<75a8ccf8-062b-4c74-94d9-d6b51d5d2...@contoso.com>
Content-Type: text/plain;   charset="UTF-8"

I have tried to find a cable that goes from my K3 to the LDG Z100A tuner but 
all I see is just a cable with a Molex like connector going to the tuner and 
nothing on the other end of the K3 except bare wires (i.e. no connector). Does 
the tuner have to get connected to the K3 ACC jack?? Or does someone have a 
wiring diagram so I can marry the correct connections between the 2 units?

  

73?s,

Greg N9GB

O
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[Elecraft] K3 INTERFACE WITH LDG Z100A

[Bob McGraw]

I purchased a Z100A with the idea of interfacing it to a specific brand/model 
of radio.  I investigated the Z100A requirements to initiate the control of the 
tuner via the transceiver.   From my earlier work, I don't see there is a 
command from the K3 that will support the requirements of the Z100A.  However, 
there are many ICOM radios that do have the provision.  Thus the command comes 
from the radio.

From the LDG manual:

"The LDG Z-100A includes the IC-104 DC power cable, as well as a three 
foot IC-100 Icom interface cable. However, interface cables for a 
plethora of other radios are available as an optional purchase, 
definitively making the Z-100A the last tuner you'll ever need to purchase.


Press "Tune" on Tuner - Keys Automatically

 * IC-105 Alinco interface cable - uses EDX-2 jack, DX-70 and DX-77
 * IC-108 Yaesu interface cable - uses TUN/LIN and KEY jacks, FT-891,
   991/A, 857, 897, 100
 * IC-109 Yaesu interface cable - uses TUN/LIN jack, FT-DX10, 1200,
   FT-950, 450 (NOTE: Do not select external tuner in settings)
 * IC-115 Yaesu interface cable - uses LINEAR jack, FT-DX101D, 3000
 * IC-106 Kenwood interface cable - uses AT-300 jack
 * IC-105 Alinco interface cable - SR8T, SR9T"
 * Compatible with any Icom radio that is AH-4 or AH-3 compatible. (6M
   tuning from Tuner button for radios that are only AH-3 compatible)
 * Partial radio list: IC-706, 703, 718, 7000, 7100, 7200, 7300, 7410,
   746, 756, 7600, 7610 (and all variants).

I find nothing to indicate the LDG100Z will interface with the K3.  In 
reviewing the signals on the ACC connector on the K3, I do not find one 
dedicated to the TUNE function. See page 20 in the manual, ACC(Accessory I/O)

73
Bob, K4TAX




Message: 13
Date: Fri, 02 Sep 2022 16:46:28 -0500
From: greg best
To:
Subject: [Elecraft] K3 INTERFACE WITH LDG Z100A
Message-ID:<75a8ccf8-062b-4c74-94d9-d6b51d5d2...@contoso.com>
Content-Type: text/plain;   charset="UTF-8"

I have tried to find a cable that goes from my K3 to the LDG Z100A tuner but 
all I see is just a cable with a Molex like connector going to the tuner and 
nothing on the other end of the K3 except bare wires (i.e. no connector). Does 
the tuner have to get connected to the K3 ACC jack?? Or does someone have a 
wiring diagram so I can marry the correct connections between the 2 units?

 


73?s,

Greg N9GB

O
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Re: [Elecraft] K3 INTERFACE WITH LDG Z100A

[Joe Subich, W4TV]

On 2022-09-03 12:07 AM, Julia Tuttle wrote:

But it sounded like Greg could *not* find a K3-specific cable -- are
you saying there is one that he just hasn't found?

Again, that is why he should contact LDG.  They know (or should know)
their product line and what transceivers they support.

I looked up the Owner's Manual for the Z100A and it does not have
a "Molex" connector on the tuner.  The radio interface cable is a
miniDIN6.  The manual also does not list a cable for K3 (or any
Elecraft transceiver) - only the "IC106" cable for connecting power.

73,

   ... Joe, W4TV

On 2022-09-03 12:07 AM, Julia Tuttle wrote:
But it sounded like Greg could *not* find a K3-specific cable -- are you 
saying there is one that he just hasn't found?


On Fri, Sep 2, 2022, 22:57 Joe Subich, W4TV > wrote:


On 2022-09-02 9:09 PM, Julia Tuttle wrote:
 > That's an odd suggestion, Joe; LDG is no more responsible for the
 > ports on the K3 than Elecraft is for those on the Z100A. They may
 > have experience connecting a Z100A to a K3, but someone here may
 > likewise have experience connecting a K3 to a Z100A.
If LDG sell a cable they say will interface their tuner to a K3
they should be able to explain how to connect it and how to use
their product with the K3.  Neither Elecraft nor Elecraft users
are likely to know that information as Elecraft have their own
tuner solutions - the internal KAT3 and the external KAT500.

For years I supported third party product(s) with dozen of different
transceivers - Elecraft, Icom, Kenwood, Ten-Tec, Yaesu.  The product
was designed to be used with the transceivers when the transceiver
was operated exactly as the transceiver maker documented it their
own Operating/Instruction Manual.  The optional interconnection
cable had the appropriate connectors for the transceiver and each
connector was labeled to match the transceiver manufacturer's own
labels.

73,

     ... Joe, W4TV

On 2022-09-02 9:09 PM, Julia Tuttle wrote:
 > That's an odd suggestion, Joe; LDG is no more responsible for the
ports on
 > the K3 than Elecraft is for those on the Z100A. They may have
experience
 > connecting a Z100A to a K3, but someone here may likewise have
experience
 > connecting a K3 to a Z100A.
 >
 > Greg, you'll need to take a look at the manuals for *both*
products and see
 > what their interfaces look like. Hopefully the needed signals
clearly match
 > up, but if not, feel free to come back to the list with the specific
 > signals you're having trouble routing or converting.
 >
 > 73,
 >
 > Julie
 >
 > On Fri, Sep 2, 2022, 18:32 Joe Subich, W4TV mailto:li...@subich.com>> wrote:
 >
 >>
 >> I suggest you contact LDG for help with their product.
 >>
 >> 73,
 >>
 >>      ... Joe, W4TV
 >>
 >>
 >> On 2022-09-02 5:46 PM, greg best wrote:
 >>> I have tried to find a cable that goes from my K3 to the LDG
Z100A tuner
 >> but all I see is just a cable with a Molex like connector going
to the
 >> tuner and nothing on the other end of the K3 except bare wires
(i.e. no
 >> connector). Does the tuner have to get connected to the K3 ACC
jack?  Or
 >> does someone have a wiring diagram so I can marry the correct
connections
 >> between the 2 units?
 >>>
 >>>
 >>>
 >>> 73’s,
 >>>
 >>> Greg N9GB
 >>>



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Re: [Elecraft] K3 INTERFACE WITH LDG Z100A

[Julia Tuttle]

But it sounded like Greg could *not* find a K3-specific cable -- are you
saying there is one that he just hasn't found?

On Fri, Sep 2, 2022, 22:57 Joe Subich, W4TV  wrote:

> On 2022-09-02 9:09 PM, Julia Tuttle wrote:
> > That's an odd suggestion, Joe; LDG is no more responsible for the
> > ports on the K3 than Elecraft is for those on the Z100A. They may
> > have experience connecting a Z100A to a K3, but someone here may
> > likewise have experience connecting a K3 to a Z100A.
> If LDG sell a cable they say will interface their tuner to a K3
> they should be able to explain how to connect it and how to use
> their product with the K3.  Neither Elecraft nor Elecraft users
> are likely to know that information as Elecraft have their own
> tuner solutions - the internal KAT3 and the external KAT500.
>
> For years I supported third party product(s) with dozen of different
> transceivers - Elecraft, Icom, Kenwood, Ten-Tec, Yaesu.  The product
> was designed to be used with the transceivers when the transceiver
> was operated exactly as the transceiver maker documented it their
> own Operating/Instruction Manual.  The optional interconnection
> cable had the appropriate connectors for the transceiver and each
> connector was labeled to match the transceiver manufacturer's own
> labels.
>
> 73,
>
> ... Joe, W4TV
>
> On 2022-09-02 9:09 PM, Julia Tuttle wrote:
> > That's an odd suggestion, Joe; LDG is no more responsible for the ports
> on
> > the K3 than Elecraft is for those on the Z100A. They may have experience
> > connecting a Z100A to a K3, but someone here may likewise have experience
> > connecting a K3 to a Z100A.
> >
> > Greg, you'll need to take a look at the manuals for *both* products and
> see
> > what their interfaces look like. Hopefully the needed signals clearly
> match
> > up, but if not, feel free to come back to the list with the specific
> > signals you're having trouble routing or converting.
> >
> > 73,
> >
> > Julie
> >
> > On Fri, Sep 2, 2022, 18:32 Joe Subich, W4TV  wrote:
> >
> >>
> >> I suggest you contact LDG for help with their product.
> >>
> >> 73,
> >>
> >>  ... Joe, W4TV
> >>
> >>
> >> On 2022-09-02 5:46 PM, greg best wrote:
> >>> I have tried to find a cable that goes from my K3 to the LDG Z100A
> tuner
> >> but all I see is just a cable with a Molex like connector going to the
> >> tuner and nothing on the other end of the K3 except bare wires (i.e. no
> >> connector). Does the tuner have to get connected to the K3 ACC jack?  Or
> >> does someone have a wiring diagram so I can marry the correct
> connections
> >> between the 2 units?
> >>>
> >>>
> >>>
> >>> 73’s,
> >>>
> >>> Greg N9GB
> >>>
>
>
>
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Re: [Elecraft] K3 INTERFACE WITH LDG Z100A

[Joe Subich, W4TV]

On 2022-09-02 9:09 PM, Julia Tuttle wrote:

That's an odd suggestion, Joe; LDG is no more responsible for the
ports on the K3 than Elecraft is for those on the Z100A. They may
have experience connecting a Z100A to a K3, but someone here may
likewise have experience connecting a K3 to a Z100A.

If LDG sell a cable they say will interface their tuner to a K3
they should be able to explain how to connect it and how to use
their product with the K3.  Neither Elecraft nor Elecraft users
are likely to know that information as Elecraft have their own
tuner solutions - the internal KAT3 and the external KAT500.

For years I supported third party product(s) with dozen of different
transceivers - Elecraft, Icom, Kenwood, Ten-Tec, Yaesu.  The product
was designed to be used with the transceivers when the transceiver
was operated exactly as the transceiver maker documented it their
own Operating/Instruction Manual.  The optional interconnection
cable had the appropriate connectors for the transceiver and each
connector was labeled to match the transceiver manufacturer's own
labels.

73,

   ... Joe, W4TV

On 2022-09-02 9:09 PM, Julia Tuttle wrote:

That's an odd suggestion, Joe; LDG is no more responsible for the ports on
the K3 than Elecraft is for those on the Z100A. They may have experience
connecting a Z100A to a K3, but someone here may likewise have experience
connecting a K3 to a Z100A.

Greg, you'll need to take a look at the manuals for *both* products and see
what their interfaces look like. Hopefully the needed signals clearly match
up, but if not, feel free to come back to the list with the specific
signals you're having trouble routing or converting.

73,

Julie

On Fri, Sep 2, 2022, 18:32 Joe Subich, W4TV  wrote:



I suggest you contact LDG for help with their product.

73,

 ... Joe, W4TV


On 2022-09-02 5:46 PM, greg best wrote:

I have tried to find a cable that goes from my K3 to the LDG Z100A tuner

but all I see is just a cable with a Molex like connector going to the
tuner and nothing on the other end of the K3 except bare wires (i.e. no
connector). Does the tuner have to get connected to the K3 ACC jack?  Or
does someone have a wiring diagram so I can marry the correct connections
between the 2 units?




73’s,

Greg N9GB




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Re: [Elecraft] K3 INTERFACE WITH LDG Z100A

[Julia Tuttle]

That's an odd suggestion, Joe; LDG is no more responsible for the ports on
the K3 than Elecraft is for those on the Z100A. They may have experience
connecting a Z100A to a K3, but someone here may likewise have experience
connecting a K3 to a Z100A.

Greg, you'll need to take a look at the manuals for *both* products and see
what their interfaces look like. Hopefully the needed signals clearly match
up, but if not, feel free to come back to the list with the specific
signals you're having trouble routing or converting.

73,

Julie

On Fri, Sep 2, 2022, 18:32 Joe Subich, W4TV  wrote:

>
> I suggest you contact LDG for help with their product.
>
> 73,
>
> ... Joe, W4TV
>
>
> On 2022-09-02 5:46 PM, greg best wrote:
> > I have tried to find a cable that goes from my K3 to the LDG Z100A tuner
> but all I see is just a cable with a Molex like connector going to the
> tuner and nothing on the other end of the K3 except bare wires (i.e. no
> connector). Does the tuner have to get connected to the K3 ACC jack?  Or
> does someone have a wiring diagram so I can marry the correct connections
> between the 2 units?
> >
> >
> >
> > 73’s,
> >
> > Greg N9GB
> >
>
> __
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Re: [Elecraft] K3 INTERFACE WITH LDG Z100A

[Joe Subich, W4TV]

I suggest you contact LDG for help with their product.

73,

   ... Joe, W4TV


On 2022-09-02 5:46 PM, greg best wrote:

I have tried to find a cable that goes from my K3 to the LDG Z100A tuner but 
all I see is just a cable with a Molex like connector going to the tuner and 
nothing on the other end of the K3 except bare wires (i.e. no connector). Does 
the tuner have to get connected to the K3 ACC jack?  Or does someone have a 
wiring diagram so I can marry the correct connections between the 2 units?

  


73’s,

Greg N9GB



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[Elecraft] K3 INTERFACE WITH LDG Z100A

[greg best]

I have tried to find a cable that goes from my K3 to the LDG Z100A tuner but 
all I see is just a cable with a Molex like connector going to the tuner and 
nothing on the other end of the K3 except bare wires (i.e. no connector). Does 
the tuner have to get connected to the K3 ACC jack?  Or does someone have a 
wiring diagram so I can marry the correct connections between the 2 units?

 

73’s,

Greg N9GB

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