atf35143.s2p

用matlab计算零点

! DATACOM Semiconductors
! ATF35143
! 2500 MHz PHEMT FET
! Vds = 2V	Id = 5 mA
! Common Source S-Parameters:				May 2000
# MHz  S  MA  R  50
!  f	    S11		    S21		    S12		    S22
! MHz	Mag	Angle	Mag	Angle	Mag	Angle	Mag	Angle
 2500	0.85	-80.62	4.00	111.27	0.108	34.61	0.62	-56.68
!
!