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[OZAPRS] [aprssig] ICOM 706 Data Out (disc)

Ray Wells vk2tv at exemail.com.au
Fri Jul 20 22:19:04 UTC 2007


Andrew Rich wrote:

>I have another question
>
>I would like to use the radio for field events where we track horses.
>
>The icom outputs 8 volts DC from the MIC ,
>
>I have had a look, so most computer mic ports supply 2.5 volts for the
>electret ?
>
>Maybe all that is required is a resistor ?
>
>
>  -----Original Message-----
>  From: aprssig-bounces at lists.tapr.org
>[mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Andrew Rich
>  Sent: Friday, 20 July 2007 3:43 PM
>  To: Aprssig
>  Cc: ozaprs
>  Subject: [aprssig] ICOM 706 Data Out (disc)
>
>
>  Gudday
>
>  I see a port on the back of the ICOM 706 MKii G is marked for packet use.
>
>  It provides 1200 and 9600 baud connection points.
>
>  Would I be right in saying that the 9600 baud stage by passes the audio
>stage and is what they call a disc out ?
>
>  Cheers
>
>  Andrew VK4TEC
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>
>  
>
Andrew,

You might find this interesting ...

http://www.epanorama.net/circuits/microphone_powering.html

Ray vk2tv





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