單項選擇題下面衰耗器的影像阻抗為:()
A.Zc1=Zc2=75Ω
B.Zc1=Zc2=600Ω
C.Zc=58.4Ω
D.Zc1=150Ω、Zc2=600Ω
A.Zc1=Zc2=75Ω
B.Zc1=Zc2=600Ω
C.Zc=58.4Ω
D.Zc1=150Ω、Zc2=600Ω