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dosraider
Moderator
Joined: 15 Mar 2005
Posts: 4218
Location: ROTFLMAO in Belgium.
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 Posted: Mon Apr 28, 2008 7:43 am
Post subject: TTL logics |
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Recently someone released a freeware TTL software simulator.
As there are lots of younger members here -(schoolkids)- I thought it could interest some of you.
The software is performant, real time, and after I played a bit around with it I'm impressed by the accuracy of this TTL simulator.
For those who have no idea what TTL is about:
If there weren't no TTLs you wouldn't have a PC, there wouldn't be robotics, no PLC, every automated process uses TTL based hardware/software, it's the cornerstone of any home/industrial automatisation.
When you step in an elevator and push a button, you use TTL logics.
All the buttons on modern electronic hardware -(stereo-telly-DVDplayer-whatever)- have TTL behind them, etcetera etcetera etcetera .....blablabla.
You can get the full working Atanua@
http://atanua.org
Atanua is free for personal use.
Simply download it, unzip in an appropiate folder, no install needed. |
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Larry Laffer
Moderator
Joined: 19 Feb 2006
Posts: 3190
Location: Romania
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| Posted: Mon Apr 28, 2008 10:46 am
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Wow, this really hits the spot, I was just doing a paper-thingy about TTL(erm, dunno, transitor-transitor logic logics... that kinda sounds silly  )
Anyway, nice find!  |
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dosraider
Moderator
Joined: 15 Mar 2005
Posts: 4218
Location: ROTFLMAO in Belgium.
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| Posted: Mon Apr 28, 2008 10:56 am
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| Larry Laffer wrote: | | ....(erm, dunno, transitor-transitor logic logics... that kinda sounds silly )... |
I know, I know, but ol'habits don't die easily.
It's a remain of the young days of TTL, when we had to build them up with discrete parts, you know, those things called transistors ....... No 7400 or 7404 in those days.
You young peeps have no idea how fun it was to build up a J-K FlipFlop from scratch.
Hmmmm, fun isn't really the right word, it was more a terrible experience.  |
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Ro@m
Hamachi Guardian
Joined: 29 Jun 2003
Posts: 1466
Location: Croatia
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| Posted: Mon Apr 28, 2008 2:37 pm
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Hahah,the program reminds me a lot of Siemens LOGO Comfort v5.
Useful program indeed.
Last year i was listening to Digital Electronics,we were working simulations in a smiliar program,but not as fancy as that one.
And i got DE at my finals,I were not soo got at it....
| dosraider wrote: |
You young peeps have no idea how fun it was to build up a J-K FlipFlop from scratch.
Hmmmm, fun isn't really the right word, it was more a terrible experience. |
Well i had the pleasure(right,  ) to do that last year..... |
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dosraider
Moderator
Joined: 15 Mar 2005
Posts: 4218
Location: ROTFLMAO in Belgium.
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| Posted: Mon Apr 28, 2008 4:35 pm
Post subject: |
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| Ro@m wrote: | | dosraider wrote: |
You young peeps have no idea how fun it was to build up a J-K FlipFlop from scratch.
Hmmmm, fun isn't really the right word, it was more a terrible experience. |
Well i had the pleasure(right, ) to do that last year..... |
Oh my, you still must do those crazy things?
We live in the chips era now .... 30 years ago we already had some slow 74107, now, at least you will learning the basics.
LMAO. |
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Ro@m
Hamachi Guardian
Joined: 29 Jun 2003
Posts: 1466
Location: Croatia
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| Posted: Tue Apr 29, 2008 12:48 am
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| Yeah we actually had to do that,but then we switched over to chips |
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dosraider
Moderator
Joined: 15 Mar 2005
Posts: 4218
Location: ROTFLMAO in Belgium.
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| Posted: Tue Apr 29, 2008 5:31 am
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Looky what I found, I knew I had it somewhere buried in the cellar:
If one of you needs an ol'basic breadboarth, you may come and get it.
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Ro@m
Hamachi Guardian
Joined: 29 Jun 2003
Posts: 1466
Location: Croatia
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| Posted: Tue Apr 29, 2008 5:52 am
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| Please censor that,i get nightmares from it! |
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dosraider
Moderator
Joined: 15 Mar 2005
Posts: 4218
Location: ROTFLMAO in Belgium.
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| Posted: Tue Apr 29, 2008 8:13 am
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| Ro@m wrote: | | .... i get nightmares from it! |
But but but ... it still works, on first glance I thought I tested a saw tooth generator, but after I found my first self-build osci back in the cellar and fired that one up, it seems it was a sinus generator I've made.
That oscilloscope is one I build myself some 30 years ago, show some respect for it.
Amazingly enough it still works.
It's a 'heatkit' build-it-yourself analogue model, imported from shark/USA, took me 1 full month to assemble the bitch.
You talk about nightmares, now friend, that was a realtime one.
Same as for the breadboard, you want it? Come and get it, you my have it.
BTW, that thing warms up as a stove, no transistors nor chips in it......
[Edit]
On second thought, maybe I better destroy that thing.
I think it's hazardous, the CRT can probably implode at any time now, and it must send an intensive X-ray beam right in my face. |
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Ro@m
Hamachi Guardian
Joined: 29 Jun 2003
Posts: 1466
Location: Croatia
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| Posted: Tue Apr 29, 2008 12:48 pm
Post subject: |
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| dosraider wrote: |
But but but ... it still works, on first glance I thought I tested a saw tooth generator, but after I found my first self-build osci back in the cellar and fired that one up, it seems it was a sinus generator I've made.
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Well,you learned something out of it |
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dosraider
Moderator
Joined: 15 Mar 2005
Posts: 4218
Location: ROTFLMAO in Belgium.
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| Posted: Thu May 01, 2008 8:51 am
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So I guess none is interested in a X-ray beaming CRT oscilloscope .... 
Smart peeps .... 
Trashed it will be.
Good riddens. Those things were life threatening.
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Larry Laffer
Moderator
Joined: 19 Feb 2006
Posts: 3190
Location: Romania
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| Posted: Thu May 01, 2008 11:25 am
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| Actually, I wanted to shoot some X-rays at peeps... ahwell, I guess it's too late now... |
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dosraider
Moderator
Joined: 15 Mar 2005
Posts: 4218
Location: ROTFLMAO in Belgium.
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| Posted: Thu May 01, 2008 5:21 pm
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| You should make some babies before playing with radiation ...... |
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Larry Laffer
Moderator
Joined: 19 Feb 2006
Posts: 3190
Location: Romania
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| Posted: Thu May 01, 2008 6:42 pm
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| I dunno, mutants can be fun at times... |
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dosraider
Moderator
Joined: 15 Mar 2005
Posts: 4218
Location: ROTFLMAO in Belgium.
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| Posted: Sat May 10, 2008 2:04 pm
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Babysitting a sleeping grandchild can be extremely boring sometimes.
Result:
TTL RGB color mixer. 
Yeah yeah, sue me.
Those who have Atanua can get it @:
http://rapidshare.com/files/113971881/colormix_02.atanua.html (13KB)
[Edit]
3 houres later ...... things ain't going better, still bored.
I need a long vacation, really. |
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