Smith chart need help

Discussion in 'General Electronics Chat' started by ericyeoh, Jul 16, 2011.

  1. ericyeoh

    Thread Starter Active Member

    Aug 2, 2009
    Hi all,

    I'm new to smith chart, i would like to know how to draw gain circle and noise circle on Z-Y smith chart.
    Here is the data i got
    For noise :
    Centre of noise circle = 0.11<-145 deg, Radius of noise circle = 0.2847
    Centre of gain circle = 0.44 < -149 deg, Radius of gain circle = 0.3875
  2. lokeycmos

    Active Member

    Apr 3, 2009
    wow! that is very interesting. learn something new everyday!

    if you google "smith chart software" there are many programs for this. hope it helps!!