: , .
: 12/13, , , , , , .
12 , ( 12/13), , , , , 173, 12.3.
12.3 S1
-90, .
R1 = 68 . , 12.3, 3 2 R, 1 2 .
, 12.3, , S1 ( ). (). , 12.4.
12.4 S1,
1 , 12.4. 120 ( ), 5, 4 . ( 10 I(U)), , . U ( ) U ( ) . 12.1, I = f(U). Ri = ctgα ( 12.5) .
12.1
, | |
fp, | |
Z, 1010 |
2 ( 12.3), , , U, R , . tn, 20 . 5 , .
3 U , R ( 10 ), = f(R).
4 . R C , , . RC = const, U = f(U). Umax, .
|
|
5 .
6 , (12.3).
12.5
13