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Re: [RTTY] afsk to fsk

To: <rtty@contesting.com>,"peter jackson" <peter.jackson17@ntlworld.com>
Subject: Re: [RTTY] afsk to fsk
From: "ws7i" <ws7i@ewarg.org>
Reply-to: ws7i@ewarg.org
Date: Thu, 17 Feb 2005 14:24:22 -0800
List-post: <mailto:rtty@contesting.com>
this is a throwback to my working days! I know many use just a transistor to 
key the rig from the serial port.
I would like to use an optoisolator like I have for the PTT. There was a osting 
recently that they wont work with the Ft1000. I have a Icom 756 pro3. Is there 
anyone using an optoisolator for FSK using an Icom in the 756
series. I have a 4N25 to hand. Thanks in advance, Pete G3KNU

Well whoever sez that an optoisolater won't work with a FT-1000 is wrong. Works 
just fine. I don't have a pro3 but they will work fine with any rig.

Its just a matter of getting the proper amount of resister value.  In fact I 
have done two FT-1000d's and what is odd is that they each took a different 
value of resister.

Always best to use an Opto, tho I do use transisters with old junk computers 
but who wants to blow a good computer up!

73 Jay WS7I



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