On Mon, 05 Feb 2001 09:20:08 -0500, Jim Reisert AD1C wrote:
>You seem to be confusing two things here.
>
>You need a serial interface between the radio and CT in order to track
>frequency. I don't know what kind of radio you have, but for example a
>TS-940 needs an internal IF-10B circuit, and an external IFC-232
>interface (I may have the names messed up). The IFC-232 connects to
>your radio via a null-modem cable, and to an available COM port on your
>computer.
I made a mistake here. What I meant to say is that the IFC-232
connects to an available COM port on your computer using a null-modem
cable. The IFC-232 has its own cable with some sort of DIN connector
that plugs into the radio.
>To send CW, you need to build a one-transistor circuit from an
>available COM (separate from the radio interface above) or LPT port and
>connect this to the "Key In" jack on your radio. The description for
>this circuit is in the CT manual.
>
>73 - Jim AD1C
>
>
>On Mon, 05 Feb 2001 11:35:18 -0200, Ron Pacheco wrote:
>
>> can anyone help me to build a interface to conect my PC to my electronic
>>keyer, that allows the CT to follows the band changes I made on my Kenwoods
>>equipements?????
>>
>> I have a basic one, that goes from the COM2 port to the electronic keyer,
>>but not follows the band changes.
>>
>> Thanks in advance
>>
>> Ron
--
Jim Reisert AD1C, 7 Charlemont Court, North Chelmsford, MA 01863
USA +978-251-9933, <jjreisert@alum.mit.edu>, http://www.ad1c.com
--
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