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Mar 22, 2019 at 12:57 comment added kevin998x "use Z0=Zt Smith chart for obtaining impedance transformation graphically without formulas" <-- what do you exactly mean by impedance transformation ? And how is normalizing Z0 with respect to Zt related to the use of two smith chart overlaid together ?
Mar 21, 2019 at 2:24 comment added Georgy Moshkin @kevin998x , you may draw Smith chart for any impedance. Usually Z0=50 Ohm is chosen. But you may use any other Z0 in this formula: Г=(Z-Z0)/(Z+Z0). If Z0=Zt, then Zt will be in the center of Smith chart, and quarter-wave transforming will go through circle around this center.
Mar 20, 2019 at 16:01 comment added kevin998x What do you exactly mean by "Smith chart center at Zt, not at 50 Ohm" ?
Mar 20, 2019 at 15:53 comment added kevin998x "it is more convenient to use Z0=Zt Smith chart for obtaining impedance transformation graphically without formulas" <-- could you explain more on this reason of putting two smith charts together on top of each other ?
Mar 20, 2019 at 8:09 history edited Georgy Moshkin CC BY-SA 4.0
Clarification
Mar 20, 2019 at 7:30 history edited Georgy Moshkin CC BY-SA 4.0
added 80 characters in body
Mar 20, 2019 at 7:24 history answered Georgy Moshkin CC BY-SA 4.0