[1000mp] RTTY and the FT1000MP

[Ted Boerkamp]

Hi Rod...The RTTY jack on the back is a four pin jack with
connections for rcv audio, fsk, ptt and ground. I am trying
to go the FSK route as apposed to AFSK but I think I would still
have this PTT issue regardless. If I attempt to connect the PTT
through the mic jack, I then have the problem of where to connect
my mic for SSB work so I wanted to use the connection from the
back of the radio instead. When I get this issue resolved, I will
post the solution. Thanks and have a good weekend.
73

Ted VE3SS

-----Original Message-----
From: 1000mp-bounces at mailman.qth.net [mailto:1000mp-bounces at mailman.qth.net]
On Behalf Of WC7N
Sent: Saturday, March 18, 2006 3:09 PM
To: All about Yaesu 1000mp
Subject: Re: [1000mp] RTTY and the FT1000MP

Ted I believe the input on the back of the FT-1000MP is for FSK.  Using the 
soundblaster card you need to input into the mic jack which then provides 
AFSK.

If you hear differently let me know.

Rod WC7N

----- Original Message ----- 
From: "Ted Boerkamp" <tboerkamp at cogeco.ca>
To: "1000mp Reflector" <1000mp at mailman.qth.net>
Sent: Saturday, March 18, 2006 11:51 AM
Subject: [1000mp] RTTY and the FT1000MP


> Hello Everyone,
> Just wondered if anyone has experienced the same
> frustration as myself in trying to get a soundblaster interface for
> rtty working....specifically the PTT circuit.
> I have used the opto-coupler circuits shown on a few websites for
> this purpose and I am tying into the RTTY jack on the back of the
> 1000MP (original model). When I click on TX in MMTTY, a LED lights
> on the input side of the opto IC, but the 1000MP is not keyed.
> So I know that the signal is getting to the opto-coupler but the
> output doesn't seem to be right to key up the radio.
> I have tried two different versions of opto ICs, one even having a
> darlington output to no avail. Can someone confirm for me that the
> simple resistor/transistor(2n2222) circuit shown on a number of
> websites, will work for this radio??? or does someone have a better
> idea for the PTT circuit?? Any help is greatly appreciated.
> I was hoping to get my feet wet in rtty this weekend in the contest,
> but I guess it will have to wait.
> Thanks and 73
>
> Ted Boerkamp VE3SS
>
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