The TXOUT line is ground during transmit. You can use this line to the base
of a PNP transistor to switch a 3 to 12 volt line on and off.
You connect the base of the transistor through a 1K resistor to TXOUT.
Also, if you will not have an amplifier, you want TXOUT connected to TXEN
and TXLoop turned on. You connect the emitter to 12 volts through a 100 ohm
resistor. You then connect the collector to your output. The collector
will be passive in receive and 12 volts in transmit.
Or
You use the amp key line as the ground side of a 12 volt relay. The other
side of the relay coil goes to 12 volts. You use a normally open point of
the relay to give you your switched 12 volt output.
What are you going to do with this line?
73,
Carl Moreschi N4PY
121 Little Bell Drive
Bell Mountain
Hays, NC 28635
----- Original Message -----
From: "Don and Diana Cunningham" <wb5hak@duracom.net>
To: "Carl Moreschi" <n4py@arrl.net>; "Discussion of Ten-Tec Equipment"
<tentec@contesting.com>
Sent: Thursday, March 30, 2006 11:07 AM
Subject: Re: [TenTec] Orion Question
> Carl,
> Thanks for getting this back to at least the original topic!! I'll
refrain
> from posting any more questions, just call Ten Tec repair, as the
questions
> seldom get answered, just the threads distorted. I guess the answer to my
> original question is, "no, there isn't a source of voltage from the Orion,
> somewhere between 3 and 15VDC, on during transmit only, that one can use".
> Gee, that would have been simple and not wasted so much time, hi.
> 73,
> Don, WB5HAK
> ----- Original Message -----
> From: "Carl Moreschi" <n4py@arrl.net>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Thursday, March 30, 2006 10:01 AM
> Subject: Re: [TenTec] Orion Question
>
>
> > The biggest difference between using a relay and a transistor is the
time
> > it
> > takes to do the switch. A transistor will switch in a few microseconds.
> > A
> > relay will take in the order of 10 milliseconds to do the switch. It
all
> > depends on what you are trying to do with this if the relay is fast
enough
> > or not.
> >
> > Carl Moreschi N4PY
> > 121 Little Bell Drive
> > Bell Mountain
> > Hays, NC 28635
> > ----- Original Message -----
> > From: "Grant Youngman" <nq5t@comcast.net>
> > To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
> > Sent: Thursday, March 30, 2006 10:44 AM
> > Subject: Re: [TenTec] Orion Question
> >
> >
> >> > Grant, wouldn't a simple 12vdc relay work in this case? Why
> >> > would I need a transistor? OR is it because the logic is
> >> > reversed? (in that case, use the opposite N.O. poles)
> >>
> >> I think that would work just fine. Just run +12 (or +5 or whatever)
> > through
> >> a current limiting resistor in series with the relay coil and connect
the
> >> other end of the coil to a TX OUT line. That will energize the relay
> >> when
> >> the Orion goes into transmit and pulls the TX OUT line low. And a N.O.
> >> contact can switch the voltage you want to control.
> >>
> >> Grant/NQ5T
> >>
> >>
> >>
> >> _______________________________________________
> >> TenTec mailing list
> >> TenTec@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/tentec
> >
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
>
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