[Yaesu] FT-757 CAT Interface parts source?

Gene Eighmy eighmy@scott.net
Mon, 9 Dec 1996 19:46:29 -0600


> I can't seem to get a reply from the source of PCboards and parts cited
in
> the 1996 ARRL Handbook.   Does any one know of another source(s)?


Marty,

I built mine on a Radio Shack prototype board and it worked out well. 
There aren't a lot of parts so I didn't have to add many wires (I used the
IC Protoboard with power and gnd buss lines and 3-hole busses on each IC
pin).  

Also, I had problems reading status back from the Yaesu rig.  I could
command it to do thing but as far as frequency readings, all I got back was
garbage.  To fix this, you will need to add a 1.5k resistor between SO of
the YAESU CAT connector input and GND.  ( I think this line is the input to
the buffer going to the MAX232).

You can get the MAX232 part from Digi-Key (1-800-DIGIKEY) or you might be
able to get them at a local electronics store (not Radio Shack).  I got one
locally for around $3.

If you get a chance, try some CAT software I wrote.  It's written for the
FT-900 but a lot of the functions work on other Yaesu rigs.  You can
download it from my Web site, 

	http://www.scott.net/~eighmy/ham.html


73,
Gene Eighmy - W4EAE ex-WD4MPS
Birmingham, AL
wd4mps@scott.net
eighmy@oxmoor.com



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