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Author Topic: MixW and 9600 baud  (Read 4898 times)
IK8OZV
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Posts: 64




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« on: July 16, 2013, 04:55:26 AM »

Hi to the list,
I would like to know if I can use MixW to RX and TX at 9600 baud either for satellite and terrestrial.
I would like to know if it is enough to get the audio signal from the Headphones
jack or I need to get the signal somewhere else.
Also for the TX, is it enough to get the signal from the Data connector?
Any help will be really appreciated.
Enzo
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KG4RUL
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« Reply #1 on: July 16, 2013, 08:13:27 AM »

What transceiver are you going to be using?
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IK8OZV
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Posts: 64




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« Reply #2 on: July 16, 2013, 08:31:25 AM »

Sorry i forgot mention it.
It is a Kenwood TS- 790E.
Thanks
Enzo
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W8JX
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Posts: 6671




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« Reply #3 on: July 20, 2013, 04:59:55 PM »

Sorry i forgot mention it.
It is a Kenwood TS- 790E.
Thanks
Enzo

Rig does not really matter if you are using AFSK modulation.
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You can embrace new computer/tablet technology and change with it or cling to old fall far behind....
AA4PB
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Posts: 13032




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« Reply #4 on: July 20, 2013, 05:38:22 PM »

If you are talking about running AFSK via FM, you usually cannot take the audio from the speaker or send it to the mike input when running 9600 baud (you can for 1200 baud). You need to get the receive audio directly from the discriminator output and send transmit audio directly to the modulator, avoiding the pre-emphesis and de-emphesis circuits in the transceiver. Some transceivers have a data connector which has inputs and outputs intended to be used for 9600 baud. The equipment manual should give you that information.
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W8JX
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Posts: 6671




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« Reply #5 on: July 20, 2013, 08:51:57 PM »

If you are talking about running AFSK via FM, you usually cannot take the audio from the speaker or send it to the mike input when running 9600 baud (you can for 1200 baud). You need to get the receive audio directly from the discriminator output and send transmit audio directly to the modulator, avoiding the pre-emphesis and de-emphesis circuits in the transceiver. Some transceivers have a data connector which has inputs and outputs intended to be used for 9600 baud. The equipment manual should give you that information.


790 has no 9600 band FM input support. I was assuming he was using AFSK here.
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You can embrace new computer/tablet technology and change with it or cling to old fall far behind....
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