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TOPIC: SunSDR2 DX ATU Support

SunSDR2 DX ATU Support 23 Jun 2020 13:24 #1

Hi all,

My name is Diogo, and I am looking into buying a SunSDR2 DX, but I see there isn't an ATU integrated nor a external option available. At least at the time of this post.

Is there any way to integrate another ATU with it? Like for example a LDG tunner and have the SunSDR2 DX control it? Via the ATU port.... Or any other solution, which wouldn't require tuning externally?

Best 73s,
Diogo
CT2IRW
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SunSDR2 DX ATU Support 23 Jun 2020 13:37 #2

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Hi, Diogo.
Next week we'll present our own external ATU which you can connect to the ATU connector on the SunSDR2 DX.
Automatic Tuner Unit (ATU) works on HF frequencies, it allows to match a load impedance with SWR up to 5 (approximate impedance range from 15 till 300 Ohm), with the 50 Ohm transmitter impedance.
Роман, Roman
Expert Electronics
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SunSDR2 DX ATU Support 29 Jun 2020 19:06 #3

Hello Just spotted the mails on ATU support for the SunSDR2 DX. I wonder if your ATU will also be good to go for the SunSDR2 Pro... Would be nice if it did. Otherwise is it possible to link say an LGD tuner to the SunSDR2 Pro? Any thoughts in that direction
Thanks
Dochas M0HBL
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SunSDR2 DX ATU Support 30 Jun 2020 06:32 #4

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At launch, our external ATU will work only with SunSDR2 DX.
In time we'll implement it in the SunSDR2 PRO firmware, a bit later.
Роман, Roman
Expert Electronics
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SunSDR2 DX ATU Support 08 Jul 2020 13:28 #5

Has it been launched? If not can you please provide any estimation regarding pricing?

Best regards,
Diogo
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