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Display impedance on Genesys' Smith Chart?

Discussion in 'Electronic Basics' started by billcalley, Oct 25, 2007.

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  1. billcalley

    billcalley Guest

    Hi Guys,

    Something that has wasted hours of my time, and without any
    success: I'm trying to make the Agilent Genesys linear simulator show
    me the complex (rectangular) input impedance of a circuit, and display
    that impedance (through a marker) on the Smith Chart, rather than just
    as polar S11. (A Genesys Table display can do it easily...). The ZIN1
    parameter does not even seem to work (I had thought it had, some years
    ago). Surely there is a way! Anyone have any ideas on this??

    Thank you!

    -Bill

    (PS: I was also trying to make the graph's marker text larger, but
    that failure is just too painful to talk about).
     
  2. Joerg

    Joerg Guest

    No pun intended but that's one reason I use a real Smith Chart. Then
    ones where they first have to fell a tree ...
     
  3. billcalley

    billcalley Guest


    True Joerg, but all of the software Smith charts I have ever used
    allow this capability too. And for some reason, most people in this
    newsgroup don't seem to be very familiar with Genesys, so I guess its
    no REAL-IMAGINARY impedance's for me (at least on Eagleware's Smith
    chart tool)!

    Best,

    -Bill
     

  4. laughs. Maybe you need to import into Agilents free tool Appcad to do
    that. Appcad does smith charts.

    Seriously, there has to be a setting... doesn't there?
     
  5. Joerg

    Joerg Guest

    Eagleware? Yeah, if you work in a huge business where several thousand
    Dollars are considered chump change, or if your name is Rockefeller. My
    only expense is about $1 for new compasses when traveling because the
    TSA guys won't let them on board.
     
  6. Joel Koltner

    Joel Koltner Guest

    The "full" version of Genesys (now owned by Agilent -- they bought Eageware
    something pushing a couple of years ago) is ~$20k. Certainly not cheap, but
    very much within reach for any copmany with more than a handful of decently
    paid engineers. (I mean, if you have a half dozen engineers these days, you
    company must be burning something pushing a million bucks a year...)
    I bought a decent compass/divider set while in college. It was probably
    something like $20, but well worth it -- compared to the $1 compasses I was
    able to draw much better circles.

    ---Joel
     
  7. Joerg

    Joerg Guest

    But imagine how many parties $20k could throw for the guys :)

    I still find it a bit on the expensive side. I have occasionally used
    similar luxury suites at clients but afterwards never felt enticed to
    plunk down the equivalent of a new car myself.

    IMHO the gEDA world could become promising if the leaders in that field
    would foray out of the "nerd corner" and into the Windows mainstream.

    Oh, I've got a really nice set here but TSA so far considered those
    weapons. So before leaving I scope out a Walmart on the route from the
    airport to the client where they have the plastic versions for school kids.
     
  8. Sarason

    Sarason Guest

    The fully optioned version was/is about 20k$, but the base version was
    1k$ a few years back.
    There are other ways of getting around the price/performance issues with
    the package, for instance Microwave Office used to cost considerably
    less. Also all the synthesis tools in Eagleware usually have superior
    tools with more functionallity from other vendors.

    Andrew
     
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