- , , , : . .
, .
. 1 2 , , (. . 5.16) . 2 , . -
, . 5.17, .
, , . 5.17, , (. 5.17, ). :
(5.8) (5.9).
, . 1, 2 (. . 5.16) -
, . . (. 5.18).
. 1 2 (. . 5.16) R'H . , . 5.19. .
, ,
.
(5.17) ,
(5.17)
(. 5.20, ),
(. 5.20, ).
, , .
, .
; , , .
. 1, 2 2 . 1 2, 2 (. 5.21). -
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. .
(5.22)
. , , . 5.22.
,
(, , , . .) , , - . .
, (), . , (. . 5.14), .
. , (. 5.14, ) , , . 5.23.
t1 , =U, =U, 2 = U. t 1 , . = + + .. , :
(5.26)
. 5.28 d .
+ →R → C→C → τ, (5.18).
2 + →R → 2→R. → τ (5.23). 2
(5.27)
τ τ, 2 ,
t1...t2 . , , .= 2. , 2 U ., (5.26)
(5.28)
t2...t3 . = U max = U + Um (5.27)
(5.29)
t3 , . , R .. = 2. 2, R . , , .
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(. 5.14, ) , 2, , .
, . . 5.24 , , , , . Δ U ,
. 5.24.
: , , .
ty , 0,1 0,9 Um . 5.24, ty = t 0,9 t0,1. (5.28), :
t0,1 t 0,9,
ty = t 0,9 t0,1 = τln9 ≈ 2,2τ (5.30)
ty = 2,2 τ
τ = τ + τy21.
, , , , .
δ ΔU t Um , . .
δ = ΔU / Um .
t , (5.29):
(5.31)
(5.31) , δ τ t , . . τ t . , ,
δ ≈ tτ = 2πƒt (5.32)
(5.32) , , . ., (5.23) (5.25), .
, (5.21), R. , R , (5.15), .
, , :
(5,33)
(5.33) , . , fB .
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fB , . . , . , , , . , , .
. L (. 5.25, ). . 5.25, . , L R .
. 5.25. () ()
R , Rc, . , - ( . 5.26) f f ..
. 5.26.
f f . f 1,7 .
. R" f . , R (. 5.27, ). .
. 5.27. ()
()
= ∞, 1 . 5.27, . = 0 (. . ) R , f f .ooc ( 2). , , . ( 3) f
f ..
. , , . , . R-, ( R . 5.28).
. 5.28. () ()
, .
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(5.34)
, . 5.29, .
(5.34), , . f f . (. 5.29, ).
. 5.29. () () :
1 ; 2
, R- , .
, () , , , , , .
(. 5.30, ) (. 5.30, ) . ', R', .
, 100 % - (4.5), β = 1. ()
(5.35)
. 5.30. () ()
, , (5.17),
(5.36)
.
f .. = 1 /(2πτ..), (5.21) (5.15)
(5.37)
(5.37) , (1 + SR) , .
f . 0,3 f .
,
τ. ,
,
.
2- !!!!!!!!!!!!!!!!!!!!
(. 5.33, ).
.
Q . ∆F , . . . , (. 5.34, ).
. 5.34.
( 2 . 5.34, ) L 2, L 1 (. 5.34, ).
, ( 50 200, 500) 50 5 . 50 , , 5 .
50 , R - . R - - , . 1.24. f 0 = 1/(2π R), , - (β = / . (. 5.35)
. 5.35. -
f0 u , . , f0, , . - .
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