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Posts posted by logan_dslasher

  1. WAAaaaa!!!

    just a question.. an IC can contain up to six gates, then why is it not possible to have different gates in a single IC? or is it? I've been looking at datasheets and i think haven't seen an IC that have multiple gates in them..

    It is possible!! It's just now that i found one.. can i use this?

  2. Audioguru and I had a discussion about logic gates last night on MSN. You were "away" so i didn't bother PM-ing you.. I understand that they are 3 IC's..

    just a question.. an IC can contain up to six gates, then why is it not possible to have different gates in a single IC? or is it? I've been looking at datasheets and i think haven't seen an IC that have multiple gates in them..

  3. hi! a friend asked  for help regarding his project involving logic gates..

    its a simple illustration o about how logic gates function.. is it possible to integrate all the kinds of logic gates into one circuit? for example, the output of a NOT gate will be one of the inputs of am AND gate while the other input is the output of a NOR gate.. is that possible? what should i use? i prefer IC than transistors..

    Can you please show me how.. tahnks a lot..

  4. Hello logan
    How you doing with eagel?

    Eagle? hmm.. let me see.. frustrating? ehehe.. i can't seem to find a good way to strat learning it.. any suggestions how? what are the basics that is should learn? what exercises can i perform to familiarize myself with eagle?

    hmm.. does it need computer upgrades to operate?  i have a very low-performance computer.. P3, no video card, no sound card, 13G hard disk.. its still  very young..

    i really want to learn eagle.. please help.. thanks..

  5. Please no grudges!  ;)

    whoa! certainly none! why would i feel such when i owe the eLab a lot..

    There are many projects that don't work. It would be impossible for the staff of E-Lab to test each one before it is posted. We are trying to fix them as they are worked-on by somebody who complains about a defective project.

    yes, i think it is inevitable that defective projects to be posted on the web.. i'm just glad there are expert like you that are willing to help fix them...

    I don

  6. Good day to you all..

    I few months ago, i was looking for a project to work on for my thesis.. eventually, i ended up working with one of the site's project.. i had it wired as shown in the schematic, it didn't work.. Luckily, audioguru was there, he patiently worked with me.. we were troubleshooting most of the time.. a lot of parts have to be replaced.. from a word of an expert himself - CRAZY! in short, the circuit have lots of problems.. especially that it was a main of component of the circuit that was wrong..

    it had me thinking.. who makes this projects anyway? if there are contributors, who filters/decides if the project should be posted or not?

    i don't  have any grudge to the site.. i just want to make eLab better.. I'm also aware that the site doesn't guarantee that the projects are working flawlessly.. it's just that, it would be better if the chances that someone will chose a defective project would be lessened..

    i am hoping someone would consider my concern.. tahnks..  :D

  7. i'm sorry,  ive spent two days trying to come up with a good explanation why the circuit didn't work.. i have researched about so many topics.. i have read my saved MSN conversations with audioguru and so far, i still haven't got anything "acceptable" the panelist required me to present an explanation why the circuit was faulty. i have already said things like:

    The IC used in the circuit is an old, simple CD4049 CMOS Inverter. Further research revealed that this IC is designed for a fairly high output current and therefore doesn

  8. Congratulations, 91% is wonderful. ;D

    during the pre-defense i got  94! eheh.. that's alright..

    Are you going to fix this Whistle Responder project's problems and post a re-design of it that works?

    i don't want all those components go to waste, of course i'll try to make it work.. but for now, i'm still working on the revision of my manuscript. i have to submit it tomorrow for final editing and printing.. iaudioguru, i  am sorry i left in such a hurry this aftenoon, i have visitors at home that is why i can't stay out for a long time.. there's no windows messenger installed on this PC.

    can you please give me some readings about  linear amplifiers or anything that has something to do with my project.. (like about bandpass filters)

    tahnks.. a good  website would do..

  9. hi keldean!
    i went to the link given by Ante.. since it didn't automatically download, i have to get it manualy.. i got a zip file.. however, i can't open it.. i think the problem is with extracting it.. i just have to re-download it i guess.. assuming all is fine, with dloading and extracting. what should i do with the file?
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