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What's the microwave S-parameter?

by iScience
Tags: microwave, sparameter
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dpa2007
#2
Aug2-13, 09:52 AM
P: 2
http://www.microwaves101.com/encyclo...parameters.cfm
jasonRF
#3
Aug2-13, 04:56 PM
P: 691
Chapter 13 of this free ebook is on S parameters. Is a good book, by the way. Worth many times the price!

http://www.ece.rutgers.edu/~orfanidi/ewa/

HallsofIvy
#4
Aug2-13, 08:07 PM
Math
Emeritus
Sci Advisor
Thanks
PF Gold
P: 39,339
What's the microwave S-parameter?

So its worth is "many times" 0?
jasonRF
#5
Aug4-13, 09:42 PM
P: 691
yes. I was being a bit silly. sorry!

jason
carlgrace
#6
Aug4-13, 09:51 PM
P: 555
Quote Quote by jasonRF View Post
Chapter 13 of this free ebook is on S parameters. Is a good book, by the way. Worth many times the price!

http://www.ece.rutgers.edu/~orfanidi/ewa/
That book's awesome! Thanks for posting!
yungman
#7
Aug4-13, 10:00 PM
P: 3,883
It is very similar to other port parameters like ABCD, Z, Y, etc. S-parameter deals with incidence and reflected power waves and the 2 port parameters are ##S_{11},\; S_{21},\;S_{12},\;S_{22}## and with certain condition like either the reflected or incident wave is zero etc. Keep that in mind, it's just another parameters.

Most RF device are spec with S-parameters. They are presented either as polar coordinates form where they give you the amplitude and the phase angle, or presented as complex numbers. You plot the parameters on Smith Chart and you can read out Z and Y parameters also. That will make it very easy to design circuits and matching networks.


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