help regarding FET switch

hi all..

can anybody help me with MESFET switches..i.e. series/shunt configuration, its equivalent ckt. in the ON/OFF mode etc.
any kind of literature will be of use to me..

thanks

http://www.plextek.com/papers/swdes2.pdf
http://www.plextek.com/papers/armms04.pdf
http://www.eecg.toronto.edu/~kphang/...1/koo_rftx.doc

vfone,

thank you sooo much..
this really helped..

can u also help me with switch modeling?