[PPRAANet] Fw: digital logic

[John Bloodgood]

I actually use BCD a fair amount at work. It is needed to decode IRIG signals when we are supporting satellites.







John Bloodgood, KD0SFY

________________________________
From: ppraanet-bounces at mailman.qth.net <ppraanet-bounces at mailman.qth.net> on behalf of Dennis N0ABC <N0ABC at msn.com>
Sent: Thursday, April 21, 2022 11:47 PM
To: ppraanet at mailman.qth.net <ppraanet at mailman.qth.net>
Subject: Re: [PPRAANet] Fw: digital logic

Wow. Haven't seen a reference to BCD in quite a while. Somewhere in my
basement, I have a mechanical, rotary BCD switch stashed away. Maybe
someday I'll have an urgent need for it, but I won't be able to find it!

Dennis
N0ABC

On 4/21/2022 11:12 PM, jimaroc1 at gmail.com wrote:
> Then, there are the sub-variants. Maybe BCD is best to add those!
>
>
>
> W0CAD
>
>
>
> From: Jim KD0KQL <notapope at hotmail.com>
> Sent: Thursday, April 21, 2022 4:45 PM
> To: jimaroc at gmail.com <jimaroc1 at gmail.com>; gshaiffer at msn.com;
> ppraanet at mailman.qth.net
> Subject: RE: [PPRAANet] Fw: digital logic
>
>
>
>    And, some research the aircraft models that can be spelled in HEX.  Not
> admitting anything personally.
>
> Hint:  AC-130D F-4C etc.....
>
>
>
> KQL
>
>
>
>
>
>
>
> Sent via the Samsung Galaxy S7 edge, an AT&T 4G LTE smartphone
>
>
>
>
>
>
>
> -------- Original message --------
>
> From: "jimaroc at gmail.com <mailto:jimaroc at gmail.com> " <jimaroc1 at gmail.com
> <mailto:jimaroc1 at gmail.com> >
>
> Date: 4/21/22 11:13 AM (GMT-07:00)
>
> To: gshaiffer at msn.com <mailto:gshaiffer at msn.com> , ppraanet at mailman.qth.net
> <mailto:ppraanet at mailman.qth.net>
>
> Subject: Re: [PPRAANet] Fw: digital logic
>
>
>
> There are only IO types of people who understand digital logic: those who
> understand binary and those who don't...
>
> Jim Cady
> W0CAD
>
> -----Original Message-----
> From: ppraanet-bounces at mailman.qth.net
> <mailto:ppraanet-bounces at mailman.qth.net>  <ppraanet-bounces at mailman.qth.net
> <mailto:ppraanet-bounces at mailman.qth.net> > On
> Behalf Of gshaiffer at msn.com <mailto:gshaiffer at msn.com>
> Sent: Wednesday, April 20, 2022 10:58 PM
> To: ppraanet at mailman.qth.net <mailto:ppraanet at mailman.qth.net>
> Subject: [PPRAANet] Fw: digital logic
>
>
>
> George W Shaiffer  George KE0QCC
> ________________________________
> From: GEORGE W SHAIFFER <gshaiffer at msn.com <mailto:gshaiffer at msn.com> >
> Sent: Wednesday, April 20, 2022 11:46 PM
> To: ppraanet-bounces at mailman.qth.net
> <mailto:ppraanet-bounces at mailman.qth.net>  <ppraanet at mailman.qth.net
> <mailto:ppraanet at mailman.qth.net> >
> Subject: digital logic
>
> For a different look at Digital Logic, truth tables, gate symbology, Boolean
> algebra and De Morgan's theorems take a look in the download section of the
> website for my Practice With Two Input Logic Gates.  PDF document.
> Thanks Doug!
>
> George KE0QCC
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--
73

Dennis Major, N0ABC
Laurel ARC VEC, Regional Coordinator #10 / Ø
(CO, IA, KS, MN, MO, ND, NE, SD)
Pikes Peak Radio Amateur Association VE Team

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