分析举例 .D C, RO +A~2令 RRU。 R RD R R B(R3∥R R2=R3∥[2+(1+B2R6∥R1) (1+B2)(R6∥R1) R=R1∥R2∥re1 ria+(1+B2)(R6∥R R6∥ R3∥R5+ 2 1+B[ (1 )( )] i 2 5 be2 2 R6 RL R = R ∥ r + +  ∥ 1 2 be2 2 6 L 2 6 L 2 be1 3 i 2 1 (1 ) ( ) (1 ) ( ) ( ) u u u u u A A A r R R R R A r R R A      =  + = = − ＋ ∥ ＋ ∥ ∥    i 1 2 be1 R = R ∥R ∥r +  + = 1 3 5 be2 o 6 R R r R R ∥ ∥ 分析举例