(. 5.13). , , , . , :
. 5.13 |
1. ( ¥).
2. (R x ¥).
.
, Z 1 Z 2 , . . Z 1= R 1, Z 2= R 2. ( ) . R 1 I 1, R 2 I 2, I x , : I 1 = I 2 + I x . R x ¥ I x = 0, . . I 1 = I 2.
, , Δ U 1/ R 1 = Δ U 2/ R 2, , , Δ U 1 = U x f a, Δ U 2 = f a U x, f a . , f a . . 5.13, , U x , , , ¥ U x ( 5.1, U x ):
U x = U x / K = U x/¥ = 0.
Δ U 1 = U x, Δ U 2 = U x, U x/ R 1 = U x/ R 2.
,
U, : KU = U x/ U x = R 1/ R 2.
, . 5.13 : ( ) ( ; R x !). U : R 1 = R x, R 2 = R oc.
U = R oc/ R x.
, . .
-, . , (. 5.13) , 180 (1 = j 180). , , , . 5.13, .
-, , , KU = R oc/ R x, : R oc < R x | U | < 1; R oc = R x KU = 1; R oc > R x | KU | > 1. , . 5.13 . , , , R R x, .
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, . , . ¹ ¥ R ¹ ¥ ( ), U .
U , , . , U x max = E /| KU |, U x max = ER 1/ R 2, , (. 5.1).
. 5.13 , Z 1 Z 2 . , U KU = Z 2/ Z 1 = Z / Z .