The use of this instrument by both engineering and production permits quick and accurate characterization of the input and output impedance , gain , reverse isolation of individual units and the degree of match between units 工程以及產(chǎn)品通過使用這種儀器可以迅速準確的獲得輸入/輸出阻抗、增益、獨立單元的反向隔離以及兩個單元之間的匹配程度。