How can I plot admittance on the smith chart?

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tanveer raina
tanveer raina on 7 Apr 2017
Answered: Janakinadh on 2 Jun 2017
I am trying to make power contours on smith chart, I can make impedance graphs using commands given below but I am not able to make admittance graphs to form power contours? command to plot impedance graphs "z = 0.1*50 + 1j*(0:0.1:50); gamma = z2gamma(z); figure smithchart(gamma)"

Answers (1)

Janakinadh
Janakinadh on 2 Jun 2017
Hello Tanveer,
MATLAB 2017a currently does not have in-built functionality to plot power contours on the smith chart directly.
I am assuming you are trying to create plots which look like (Practical RF Circuit Design for Modern Wireless Systems, Page 240, Figure 5.16): https://books.google.com/books?isbn=1580536743
Could you share any data which would help to figure out a work around?
Thank you!
Janakinadh

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