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TOPIC: Tuner ААТ-100 Pin OUT

Tuner ААТ-100 Pin OUT 14 Mar 2021 10:23 #1

  • EI9HEB
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Hi, this is really a question for Roman.
Is there any chance to share the PIN out description/function of the AAT-100?
Regards
Pawel EI9HEB
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Last Edit: 14 Mar 2021 10:23 by EI9HEB.
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Tuner ААТ-100 Pin OUT 16 Mar 2021 07:51 #2

  • Rome
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Hi, Pavel.
Here it is.
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Роман, Roman
Expert Electronics
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Tuner ААТ-100 Pin OUT 16 Mar 2021 13:26 #3

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Hi Roman,
Thank you! :D
One more question,but I know im asking bit to much.
Any chance to get protol info?
Regards
Pawel
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Tuner ААТ-100 Pin OUT 16 Mar 2021 17:11 #4

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Hi Roman,
are the RS485 lines shared with the same pins in EXT-CTRL connector?
Thank you for any additional infos

73' Enzo
iw7dmh
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Tuner ААТ-100 Pin OUT 23 Mar 2021 14:54 #5

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Hi, gentlemen.
1. Yes, RS485 lines are shared with the same pins in the EXT-CTRL connector.
2. Sorry, we won't share the protocol.
Роман, Roman
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Tuner ААТ-100 Pin OUT 26 Jul 2022 03:33 #6

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Hello, Roman.

Could you please describe the actions of the ATU TUNE and the ATU IND pins, whether they are inputs or outputs of the radio and what they represent?
How are they affected when Tune is selected in the ExpertSDR software?

Hopefully you can share this information as I hope to interface my SunSDR2-DX to a high power auto tuner I have. Very much appreciated!

Regards,
Phil
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Tuner ААТ-100 Pin OUT 26 Jul 2022 08:36 #7

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Hello Phil.
ATU TUNE line is used to pass to AAT the command to start tuning.
ATU IND line is used to pass back the info to SS2DX that the tuning is done.
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Tuner ААТ-100 Pin OUT 27 Jul 2022 07:40 #8

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Hi, Roman.

I very much appreciate your reply and description. Thank you. I checked the radio's ATU port pins with a voltmeter and found both pin 1 (ATU IND) and pin 7 (ATU TUNE) were at about 3.5 vdc between them and ground during reception. I selected Tune in the software and there was no difference in voltage while the radio went into tune mode. I would expect there would be some change to the pin levels (at least with pin 7 (ATU TUNE)) when tuning but there was no change at all.

Is there a software setting that needs to be set in order to enable these pins? Is the logic/sequence controlling these pins similar to ICOM's Start and Key lines? I can't get my tuner (KM3KM's MercuryAT) to respond to these tuner port pins and I am wondering if I am missing something...

Thanks again for your help!

Phil
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Tuner ААТ-100 Pin OUT 27 Jul 2022 08:51 #9

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Hello Phil.
Did you have AAT-100 connected to SS2DX during the tests? It should be connected.
SS2DX supposed to be used only with AAT-100 via the ATU connector.
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Tuner ААТ-100 Pin OUT 31 Jul 2022 13:43 #10

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I had bad readings on cable. EE replaced the cable. I'm still getting the same problem before the cable was replaced. When I key up the radio and speak into the mic the power and S meter pegs and goes completely red. Nothing happens. I remove the AAT-100 and control cable and the mic works.
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