NET IMPEDANCE ( Z ) Frequency 300 MHz Nominal (REF) 64 Minimum - 500 MHz 1 GHz 74 59 85 - 90 80 70 60 Z 50 R 40 30 XL 20 UNCONTROLLED DOCUMENT 10 0 1 10 100 AGILENT E4991A Impedance/Material Analyzer HP 16092A-Test Fixture 1000