Survey - IC-9700 transverter operation

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VK4GHZ
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Survey - IC-9700 transverter operation

Post by VK4GHZ » Fri Oct 04, 2019 11:31 am

The SEQ-9700 sequencer is in the final stage of development.

This survey is asking IC-9700 owners three questions:

1) Do you currently use, (or plan to use) 1296 MHz on your 9700 as an transverter IF at all?

2) Do you currently use (or plan to use) 144 MHz on your 9700 as an IF for bands above 5.7 GHz?

3) Do you currently use (or plan to use) 432 MHz on your 9700 as an IF for bands above 10 GHz?

At present the Set > Transverter page looks like this:
Survey-xVrt.png
Example using 432 IF for 2400 MHz
Survey-xVrt.png (5.2 KiB) Viewed 709 times

You can select 144M, 432M or 1200M as the transverter band.
The 4-digit offset allows offsets up to 9999 MHz, which accommodates a 10 GHz system using a 432 IF - hence Q3.
This also accommodates 144 IF operation up to 5.7 GHz - hence Q2.

Whilst you can change the IF band, there is only one entry box for offset.
So if you change IF bands, you will need to manually change the offset.
This only takes seconds to do via the keypad.
Survey-xVrtKP.png
Offset keypad allows offsets being 1 - 9999 MHz
Survey-xVrtKP.png (3.4 KiB) Viewed 709 times

Alternatively:

I can offer separate preset entry offsets for both 144M and 432M bands, and totally ignore 1200M as an IF - hence Q1.
Survey-xVrt1.png
Example using 144 IF for 5760 and 432 IF for 10368.
Survey-xVrt1.png (5.23 KiB) Viewed 709 times

I'm afraid the 4Mb of dynamic RAM in the touchscreen is within a few bytes of being full, and simply will not accommodate a third offset variable, which would be the ideal scenario.

Your comments here will decide which way this goes.

And to prevent fragmented discussion, please respect the fact that I won't be accepting responses scattered all over the place (personal messages, email, SMS, Facebook) and this Forum will be the only official communication channel.

If you know of other IC-9700 owners who may be interested in participating in this survey, let them know to come here!
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Last edited by VK4GHZ on Fri Oct 04, 2019 4:39 pm, edited 2 times in total.
Adam, Brisbane
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Re: Survey - IC-9700 transverter operation

Post by VK3QI » Fri Oct 04, 2019 2:38 pm

Adam,

You mention offset for 10 Ghz transverters based on a 70cm IF.

A significant number of transverters likely to be used for 10Ghz would have an IF on 2 metres.

DEMI 10GHz base model is 144-146 IF - 432-434 only by special request.

KUHNE MKU 10 G4 PROF, 3 cm Transverter - 144-146 or 432-434 option depending on what was supplied.

(As a matter of interest only, I use 145-147 MHz as the IF for all transverters up to 47 Ghz)


Cheers

Peter VK3QI

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Re: Survey - IC-9700 transverter operation

Post by VK4GHZ » Fri Oct 04, 2019 4:27 pm

VK3QI wrote:
Fri Oct 04, 2019 2:38 pm
Adam,

You mention offset for 10 Ghz transverters based on a 70cm IF.

A significant number of transverters likely to be used for 10Ghz would have an IF on 2 metres.

DEMI 10GHz base model is 144-146 IF - 432-434 only by special request.

KUHNE MKU 10 G4 PROF, 3 cm Transverter - 144-146 or 432-434 option depending on what was supplied.

(As a matter of interest only, I use 145-147 MHz as the IF for all transverters up to 47 Ghz)
Hi Peter

I'm interpreting your response as:
1 - no
2 - yes
3 - no

To the best of my knowledge, at least here in Brisbane, dust collects the most on Kuhne 10 G transverters that have a 432 IF. I'm not aware of any local 10G dust collectors with 144 M IF. Hence reaching out with this survey.
Adam, Brisbane
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Re: Survey - IC-9700 transverter operation

Post by VK7ZBX » Fri Oct 04, 2019 4:40 pm

Hi Adam.

I'm very much looking forward to this project being available, looks great.

My answers are:-

1 - NO
2 - YES
3 - NO

73

Richard

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Re: Survey - IC-9700 transverter operation

Post by VK3QI » Fri Oct 04, 2019 5:48 pm

Adam,

That is correct NO - YES- NO.

I was really wondering about the statement: "This also accommodates 144 IF operation up to 5.7 GHz - hence Q2."

Great work that you are doing -- you should be working for Icom!!!! -- or better still, they should be paying you royalties!!!

Cheers

Peter VK3QI

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Re: Survey - IC-9700 transverter operation

Post by GD6ICR » Fri Oct 04, 2019 6:59 pm

1 no 2 Yes 3 no

I also have a DEMI 144-10Ghz transverter

Mike
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Re: Survey - IC-9700 transverter operation

Post by VK3APW » Sat Oct 05, 2019 5:52 am

Hi Adam,

1 Yes
2 No
3 No

Regards
Peter vk3apw

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Re: Survey - IC-9700 transverter operation

Post by G1LPS » Sat Oct 05, 2019 6:13 am

1. Yes (24ghz)
2. yes
3. no

great project
Terry G1LPS

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Re: Survey - IC-9700 transverter operation

Post by AA2UK » Sat Oct 05, 2019 7:25 am

1.) No not needed at this time
2.) Yes
3.) Yes
Bill, AA2UK

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Re: Survey - IC-9700 transverter operation

Post by VK1JA » Sat Oct 05, 2019 12:58 pm

G'day Adam,

1 - no
2 - yes
3 - no

Thanks!

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Re: Survey - IC-9700 transverter operation

Post by VK2JUB » Sat Oct 05, 2019 7:31 pm

Hi Adam

1 Not at this stage
2 Yes
3 Yes

Thanks Graeme

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Re: Survey - IC-9700 transverter operation

Post by VK4GHZ » Sun Oct 06, 2019 2:32 pm

Thank you to everybody who went to the effort of posting a response.

I didn't realise there were so many that used 144 as an IF.
Perhaps the 432 IF is a VK4 thing? !

With the limited amount of 4MB touchscreen RAM I have left to play with, this is how the Set > Transverter page will look like:
Survey-xVrt2.png
Survey-xVrt2.png (5.27 KiB) Viewed 364 times

When responding to a touch event of the offset entry box, the keypad will accommodate 5 digits, with a maximum value of 65535. ie; 2^16.

This will suit using your IC-9700 as a 144M IF with a 47G transverter system.
ie; 47088 - 144 = 46944 offset
Survey-xVrtKP2.png
Keypad.
Survey-xVrtKP2.png (3.68 KiB) Viewed 364 times

I would have liked the ability to enter a different offset (one for each band), but that cannot happen without dropping other functionality. I will retain 1200M band as a valid IF band.
Adam, Brisbane
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Re: Survey - IC-9700 transverter operation

Post by VK4CZ » Sun Oct 06, 2019 3:24 pm

My inputs...
1) No
2) No
3) Yes [plan]
Scott VK4CZ
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Re: Survey - IC-9700 transverter operation

Post by VK4GHZ » Sun Oct 06, 2019 5:40 pm

Some rough 'n ready wobble-cam (phone) video demonstrating the SEQ-9700 'Transverter Mode' frequency offset with the prototype.



The actual touchscreen is mounted to the front panel of an old(er) prototype version, which is why it looks a bit shabby!
Adam, Brisbane
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Re: Survey - IC-9700 transverter operation

Post by VK7HH » Sun Oct 06, 2019 6:08 pm

1) No
2) No
3) Yes potentially

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Re: Survey - IC-9700 transverter operation

Post by VE7HR » Wed Oct 09, 2019 5:27 am

1) Yes
2) Yes
3) Yes
Dave VE7HR

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Re: Survey - IC-9700 transverter operation

Post by VK4UH » Sat Oct 12, 2019 2:03 pm

Thanks Adam

Yes
Yes
Yes

To all questions

Looking forward to trying a module myself

KJ
Kevin (KJ) VK4UH
Brisbane

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