Ho ! Thank to Jack also. I was't know... :-( ;-)
Check this one...
I put my K2 on one connector and my FT-817 on the other. I found
something interresting.... When I have my K2 on 80m and my FT-817 on
40m, everything is OK. But when I put my FT-817 on the same band or
on a band lower than 80m... i.e. 160M, I loose approx. 3db on receive
on my K2.
I checked this with XG1 oscillator.... When indicating S9 on my K2,
when I switch the FT-817 on the same band, I loose 1 S unit on the K2
instantly....
Any idea ?
Le 05-11-19 à 21:23, Don Wilhelm a écrit :
Yes folks, Jack and I collaborated on the design of this one. I
started
with a few logic gates, and Jack kept saying 'do it with no active
devices -
anyway, you can see the result in Jean-Francois website and judge for
yourself.
Since Jean-Francois gave me credit in his posts, I thought I should
pass
along extra credit where it is due, and Jack deserves it.
BTW, if I ever get both my K2s to the operating position instead of
one in
th eworkshop and the other for operating, I will be using this
arrangement
myself - not fully SO2R, but a reasonable compromise suitable for my
operating.
73,
Don W3FPR
-----Original Message-----
There is one important step in the construction of the circuit that
should make it work well.
Now it is important to take this step...
What is the step?
Contact W6FB in the Phone Sweepstakes - I need the VA2 QSO!
:-) :-) :-)
Good luck making it run. Don and I had fun collaborating on that
one...
On Nov 19, 2005, at 3:02 PM, JEAN-FRANCOIS MENARD wrote:
Hi,
I finally did a first prototype of an interface to link two K2/
KPA100 on one multi-band HF antenna using Don W3FPR schematic. For
my first "from scratch" project, it is not too bad. I first began
to do a PCB. I used two fast SPDT 16A relays from Omron and SO-239
connectors are Amphenol.
I will try it tonight.... But on the bench test, everything was
working fine... Maybe I will need to put a few caps to filter some
RF, I'm not sure.... I will tell you later tonight. This is my
first prototype version... My « main goal » is to have a interface
like this one, but also one mic and one paddle for 2 radios.
Unfortunatly, I forgot to take picture of my PCB. But I will put
Don's schematic on my website this week.
Take a look... http://homepage.mac.com/jfmenard/PhotoAlbum55.html
73
P.S. Many thanks to Don W3FPR for his help. ;-)
=============================================
/¯\/¯\/¯\/¯\/¯\/¯\ JEAN-FRANCOIS MENARD
V A 2 V Y Z
\_/\_/\_/\_/\_/\_/
FISTS #11896
Elecraft K2 #4130
Elecraft KX1 #999
http://homepage.mac.com/jfmenard
=============================================
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-Jack Brindle, W6FB
=====================================================================
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