HI All,
Anyone out there has done an interface between the cat 200b controller and DMK URI.
Thanks
Wayne
I have used cat1000 and app_rpt with PP interface.
It's all basically the same.
Using the remote base interface,
Invert the logic
COS -PTT
PTT - COS
TXaudio - RXaudio
RXaudio - TXaudio
Inverting the logic on the cos/ptt may require a transistor to make a double
inversion. 2n2222 /3904/3906
I can't remember what I used. Just that one problem you will see is getting the
proper signal from lines that FLOAT when active or inactive. Hence the transistor.
...mike/kb8jnm
···
HI All,
Anyone out there has done an interface between the cat 200b controller and
DMK URI.Thanks
Wayne
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Wayne,
Did you get it to work without a transistor? If you had to use one, how did you hook it up?
Im trying to do the same thing
A PTT line does not make a good COS line for the interface to a sound fob or vv.
PTT line on the controller is no voltage / float when inactive and switches to ground, still 0v when active.
This is why you need a transistor to invert that signal to a positive voltage the sound fob can work with.
Any chance of a diagram of how i would wire the transistor up?