, . , .
RX RH (, ) . 5.8. RX = R0 DRX. IX = E/[R + R0 DRX].
DIX DR(X). IX= F(DR).
5.9 .
R - , .
RH . R = R >> R,
U = E(R0 DR X)/(R+ R0 DR). (5.35)
(DIX, DUX) DR. - . ( 5.9 ).
, RX1 = R0/2 - DRX; RX2 = R0/2 + DRX R >> R2, U DRX
U = E(R0 + 2DRX)/2R0. (5.36)
, ( = 0) (IX ¹ 0; U ¹ 0). . , .
, .
. ( 5.10) , = 0 . RX = R0 + DRX .
( 5.10 ) ( 5.10 ), ( 5.10 ) ( 5.10 ) . (5.37), DRX .
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( 5.10 ), - RX1 = RX2 = R3 = R4 = R0 R >> R0 .
RH >> R0 : U1 = E DRX/4R0 ( 5.10 );
U2 = E DRX /2R0 ( 5.10 ); U4 = E DRX /R0 ( 5.10 ), DRX [10].
5.10
.
, , , .
: ; ; .
, , .
5.11 . R . . U, , RP , . .
() , , .
. 5.12 . ( 5.12 ) , . U = -R2/R1. .
5.12
, 5.12 , . U = 2 DR/R0 [15].