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Anan 7000dle OC Outputs
Posted: Thu Jun 11, 2020 4:41 pm
by KV5J
Does anyone know if the OCRef pin is 5 volts? I see the 7 open collector pins and a ground.
Thanks,73
Keith Ennis, KV5J
Re: Anan 7000dle OC Outputs
Posted: Thu Jun 11, 2020 5:29 pm
by Joe
I also looked at this but wasn’t sure. If it is 5 volts, it sure would make it easy for a bcd output setup. Hopefully someone will let us know.
Thanks,
Joe
WD5Y
Re: Anan 7000dle OC Outputs
Posted: Thu Jun 11, 2020 5:46 pm
by KV5J
Yes it would. I'm trying to connect to a Yaesu Quadra VL-1000 for auto band selecting.
Keith,KV5J
Re: Anan 7000dle OC Outputs
Posted: Thu Jun 11, 2020 6:10 pm
by w-u-2-o
The output IC on this interface on ALL Apache hardware, from the Hermes to the Orion MKII, is a TI ULN2003AD. The OCREF signal is connected to the COM pin of that IC. You can use any voltage you care to up to the maximum rating of the chip, which is 50V.
Although the Orion MKII schematics remain unavailable from anywhere except Apache directly, if you look at any of the schematics posted in the schematics section of this forum you will see how the connections to the ULN2003AD are arranged. Again it is the same for all models and boards. For the ULN2003AD data sheet just Google the part number.
Re: Anan 7000dle OC Outputs
Posted: Thu Jun 11, 2020 6:12 pm
by w-u-2-o
Also, I just searched for "quadra" on the forum here and found this:
viewtopic.php?f=17&t=2791&p=5980&hilit=quadra#p5980
Re: Anan 7000dle OC Outputs
Posted: Thu Jun 11, 2020 8:11 pm
by KV5J
I'll take that as a "NO".
Keith