Good tutorials for Smith chart

Hi....
just go to the link

h**p://www.edaboard.com/viewtopic.php?t=195016&highlight=smith+chart

(replace ** with tt)

http://www.odyseus.nildram.co.uk/RFM...ChartPart1.pdf
http://www.odyseus.nildram.co.uk/RFM...ChartPart2.pdf
http://www.odyseus.nildram.co.uk/RFM...ChartPart3.pdf

there are some good notes on impedance matching and how to use a basic smith chart

http://pesona.mmu.edu.my/~wlkung

Try the book by Liao on microwave devices or the book by kai chang (Microwave Solid-State Circuits and Applications).