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TS-440 TTL TO RS232 IN

To: <ct-user@contesting.com>
Subject: TS-440 TTL TO RS232 IN
From: Daniel_R._Violette@ccmail.anatcp.rockwell.com (Daniel R. Violette)
Date: Tue, 24 Jan 95 08:38:04 PST
     I had a file going for this same question with the various articles 
     seen the last few years since I got my TS-440.  Finally found it a 
     couple weeks ago and found the interface I was going to make (and am 
     currently in the process of putting together).  It is from QST 
     September 1991 (addendum December 1991 with later correction to 
     addendum of pin 5 and 2 NOT to be connected together in the 6 pin DIN 
     Radio connector).  Very simple circuit.  I will add ferrite beads, 
     etc. because RF is a killer for electronics working properly.
     
     73, 
     
     Dan   KI6X
     
     e-mail:  Daniel_R._Violette@smtpgty.anatcp.rockwell.com

     


______________________________ Reply Separator _________________________________
Subject: TS-440 TTL TO RS232 IN
Author:  john.fischer@accessil.com at SMTPGTY
To: <ct-user@contesting.com>
Date:    01/23/95 10:17 PM


I am looking for an interface I can build between my Kenwood TS-440
and my PC for CT.  I have the chips for the 440, but now I need to
find a TTL to RS-232 interface.
Anyone have a simple circuit?
Thanks,
John Fischer, KB9GEG



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