: .
. 14.
.
. 14 |
.
,
.
R 1 = R 3, R 2 = R 4,
,
. . , . R 1 = R 2, R 1 = R 3, R 2 = R 4
.
1. R1, R2, R3 R4 (1...100) , R 2 / R 1 £ 3, R 3 = R 1, R 2 = R 4.
2. (. 15). (), "". (1...2) . .
. 15
3. . , (10...15) . 2. .
2
U 1, | 5 | 4,5 | ||
U , | ||||
D U , |
4. D U = U 2 U 1 . 2. U = f (D U ).
5. R 2 = R 1 , R 1 = R 3, R 2 = R 4, . 3 4.
. 16 |
6. R5 510 ... 1 1. , . 16.
7. MathCAD 2 fu 1 = 1 . R5-1,
.
2, . , R 5 = 1 1 = 0,1 , . 17.
. 17
8. , . 18. . 18.
. 18
9. R3 ( 1 1 ).
. U 1 = 1 . U 1(t), U 2(t) U (t). .
10. R 2 = R 1 . 79. .
|
|
1. .
2. 2 U = f (D U ).
3. . 710.