A.發(fā)信-4dBr,600Ω(平衡型)收信-7dBr,600Ω(平衡型) B.發(fā)信-4dBr,600Ω(平衡型)收信-10dBr,600Ω(平衡型) C.發(fā)信0dBr,600Ω(平衡型)收信-10dBr,600Ω(平衡型) D.發(fā)信0dBr,600Ω(平衡型)收信-7dBr,600Ω(平衡型)
A.10GHz B.50GHz C.100GHz D.150GHz
A.8% B.3.75% C.2.5% D.2%