. 64 .
. (22)
. 64
:
. (23)
- (w) = RCw . 65.
. 65
, U 1 R 1 (. 66).
. 66
.
(w)
. 67 ( 1). - ( 2).
. 67
(2 %) 10 :
w .min £ 0,1 w .
(. 68),
.
1 , . 1 R 2.
1 = 0,1 .
f :
f = 10 f .max = 10×103 = 10 .
R 1:
.
, 1.
(.66) R 2 2 (.68).
. 68
, (24)
(w) = , .
. 69 , 16.
16
w | (w) | w | (w) | w | (w) |
w < w 1 | R 2 1 w | w 1 < w < w 2 | w > w 2 |
. 69
(.68) 2 , 10 .
(. 68) , . 1 w 1:
.
2 w 2:
.
, (. 69) , (. 68) :
) w = 0 ;
) w 1 , ;
) w 2 .
, , , (. 70).
(. 70), 220 50 . , +15 15 , . , U 1, U 2, U 3 (.70). 1, 2, 3, U 1, U 2, U 3.
|
|
+15 15 R 5, R 6, R 7, U 1, U 2, U 3 . U 1, U 2, U 3.
( V), SA3 ( V1, V2, V3) ( ).
(.70) (.70), 1. 1-68.
:
;
Y 10;
0,5 V/;
0,2 ms;
↕ ↔ .
|
( )
|
. 70
(.70) 3-53 . 3-41.
. 71.
. 71
1 , , , (. 71).
2 .
1 , SA1.
U 1 . SA3 V V1. SA2 .
U 1 U 1, . 1 .
U 2 U 3 . U 2 U 3 . , , V ( SA3 V2) ( SA3 V3).
( ) , SA3 V4.
+ 3. 1 .
2 , 3 .
|
|
3 .
, 3. , 1, 2, 3, U 1, U 2, U 3 , 5 ( 12,6 ).
1, 2, 3 . U 1, U 2, U 3 V ( SA3 V1, V2, V3).
U ( SA3 V4).
U . 17.
17
(.59, 70) R 1 = R 2 = R 3 = 10 , R 4 = 30 . | ||||||||
U 1, | U 2, | U 3, | U , | i | i ¢ | |||
1 = | 1¢= | |||||||
2 = | 2¢= | |||||||
3 = | 3¢= | |||||||
(.59, 70) R 1 = R 2 = R 3 = 10 , R 4 = 30 . | ||||||||
U 1 , | U 2, | U 3, | U, | U 1, | U 2 , | |||
U 1 = 1 U 1 + + 2 U 2 + 3 U 3 | U 2 = 1¢ U 1 + + 2¢ U 2 + 3¢ U 3 | |||||||
4 .
(.70). tu << R 1 C 2 (.72).
1-68 ( 1-2), ( 3-4) . . U .
. 72
5 , .
5.1 SA4 SA5 .
(f) = . 3-53 ( 5-6 Ļ ) . .
, 4 (20 , 500 , 1, 2 . .). :
, 05, 510, 1015, 1520. 05 0,025 ; 510 510 ; 1015 1015 ; 1520 1520 . , 2 05, 05 , 2 .
. . , (, 2 05 2 , 0 ).
|
|
. :
1 »;
, -
1 .
. U 18.
4 (20, 500, 1, 2 . .), , . U 18.
(f) = .
18
(.67, 70) : R 1 =1,5 ; R 2 =3,3 ; 1 = 0,1 . | |||||||||||||
- (f) U = 1 [] | |||||||||||||
f [] | 0,02 | 0,5 | 1,0 | 2,0 | 4,0 | 6,0 | 8,0 | 10,0 | 15,0 | 20,0 | |||
U [] | |||||||||||||
(f)= | |||||||||||||
(.63, 70) : R 1 =1,5 ; R 2 =3,3 ; 2 = 0,0047 . | |||||||||||||
- (f) U = 1 [] | |||||||||||||
f [] | 0,02 | 0,5 | 1,0 | 2,0 | 4,0 | 6,0 | 8,0 | 10,0 | 15,0 | 20,0 | |||
U [] | |||||||||||||
(f)= | |||||||||||||
RC- (.68, 70) : R 1 =1,5 ; R 2 =3,3 ; 1 = 0,1 ; 2 = 0,0047 . | |||||||||||||
f 01, f c1, f c2 , f 02 (.15) | |||||||||||||
f 01 , | f c1 , | f c2 , | f 02 , | ||||||||||
- (f) U = 1 [] | |||||||||||||
f [] | 0,02 | 0,5 | 1,0 | 2,0 | 4,0 | 6,0 | 8,0 | 10,0 | 15,0 | 20,0 | |||
U [] | |||||||||||||
(f)= | |||||||||||||
5.2 SA4 SA5 .
(f) = . 3-53 ( 5-6 Ļ ). .
.
U .18 (20 , 500 , 1, 2 . .), , . U 18.
(f) = .
.
5.3 . : SA4 , SA5 .
18 : f 01, f c1, f c2, f 02. 18.
|
|
f 01, f c1, f c2, f 02 - () (f):
. 3-53 ( 5-6 Ļ ) . .
.
.18 (20 , 500 , 1, 2 . .), , .
U 18.
- (f) = . f 01, f c1, f c2, f 02 ( 18) (.15).
. , .
1 1408?
2 1408?
3 : R 4=1 ; R 1=0,2 ; R 2=0,5 . U 1=3 , U 2=10 .
4 u (w) ( ):
) ;
) .
5 (.4) R 1 R 2 , =0,1 ; fmin =1 ;
.
6 (.6) R 1 R 2, C 2 , , C 1 = 0,1 ; 20 ;
.
7 R 1, R 2, C 2 (.6) 500 2 max =20 C 1=0,1 .
5