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    negative impedances

    There are also negative resistance Op-Amp circuits.  Voltage increases inversely(?) I believe with current.  I believe it looks like a negative slope.  If you are really interested.  I will take the time to verify it for you, just ask.
  2. V

    How did I blow out a leg of a Bridge Rectifier(BR82D)

    Perfect.  Thanks!
  3. V

    How did I blow out a leg of a Bridge Rectifier(BR82D)

    http://www.stacoenergy.com/variable_transformers.htm one of these things.  The plug and cord model.
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    Reduce DC voltage, How? please..

    Thanks for clearin this up I appreciate your help ill try that  :D
  5. V

    How did I blow out a leg of a Bridge Rectifier(BR82D)

    thanks Ldanielrosa and Alun. :P actually wait a second.  I actually didn't use a regular transormer.  I used one of those 3 prong, variable voltage transformer things that can supply more current and has higher voltage ratings than a regular function generator.(smaller boxy thing and heavy as...
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    Reduce DC voltage, How? please..

    Alun:  I kind of understand how you got your equation.  I don't really get the concept behind it setting the Iadj*R2 = 0.  Could you explain this in more detail?
  7. V

    p type and n type

    Malvino's Electronic Principles does a good job of explaining the concept.
  8. V

    How did I blow out a leg of a Bridge Rectifier(BR82D)

    thanks for the help Ldanielrosa.  I found out what was happening.  My function generator could only supply enough current to turn on 2 of the diodes resulting in the other two not rectifying.  I tested it on a transformer and it worked just fine.  Just something I never thought about.  :P
  9. V

    How did I blow out a leg of a Bridge Rectifier(BR82D)

    So I'm building your basic DC power supply using Bridge Rectifier(BR82D) 200v 2A.  When I go to test the thing with my function generator, 18v P-P at 60Hz and look at it with my scope I get half wave rectification.  PROCEDURE - After I first assembled the thing, I checked the output voltage of...
  10. V

    site is useless

    lol
  11. V

    High Quality electronic sites

    Hopefully this is a good home for this.
  12. V

    Anyone Know of any good Math Books?

    thank you, I'll look into those :)
  13. V

    Anyone Know of any good Math Books?

    Sorry, it's really a vague question.
  14. V

    Barrier potential discrepancy

    .7v for silicon and .3v for germanium and you subtract this from the source. If you want to be more exact in your answers, you can compensate for bulk resistance(which is the resistances of the p and n regions together) which is usually around .23ohms for si, but is usally negligible unless...
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    What do the Address and Data Pins do on an EPROM?

    It sure did!  It's more than I could have asked for.  Thanks :D
  16. V

    What do the Address and Data Pins do on an EPROM?

    Im trying to learn a little bit about how EPROMs work and I don't quite understand how the Address and data pins work.  The address pins(address bus) recieves the address that the computer or whatever is reading it supplies, and the data(data bus) pins outputs the value that is stored in the...
  17. V

    Free sample chips!

    Does anyone know if you can get Atmel 29C256's Im not really sure how to go about doing this.
  18. V

    Hey guys Im new here. Just wanted to say hi!

    Hi, I found this website off of another forum.  Im going into EE.  I probably don't know as much as you guys do, so Ill probably do more learning more than helping! So thanks in advance :)
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