[Yaesu] Coupling the FT2000 to a notebook computer

Leland Vandervort g0szp at g0szp.net
Mon Mar 15 23:52:36 PDT 2010


there are a few variants on that page which are optimised for various modes ;)

73

Leland


On 16 Mar 2010, at 07:51, Leland Vandervort wrote:

> 
> The RTTY interfaces often tend to be very low impedence and risk overloading by plugging a sound card audio output directly to it.
> 
> There is a useful schematic at the link below for interfacing a sound card to the mic or aux input, and includes RS232 control of the PTT.
> 
> Shopping list consists of a 470ohm, 8ohm, and 4.7ohm resistor, a diode, and an NPN transistor.
> 
> 
> http://www.iw5edi.com/ham-radio-reference/sound-card-interfacing-for-rtty-psk31-and-sstv
> 
> 73
> 
> Leland
> g0szp/aa2qx
> 
> 
> 
> On 16 Mar 2010, at 02:33, Claude Frantz wrote:
> 
>> Hello Folk !
>> 
>> Do you have any experience about the coupling of the FT2000 to a 
>> notebook computer having only an audio out and a mike in jack ? I think 
>> the RTTY jack is the prefered way. Right ? Are the impededance and the 
>> level OK for a direct coupling or is any attenuator or amplificator 
>> necessary ?
>> 
>> Thanks a lot !
>> 
>> Claude
>> 
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> 
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