. 3
. 4
. 6
c. 9
. 10
. 12
. 13
. 14
. 15
. 16
. 18
. 19
.20
1.
, , .
, , , - .
:
203 | |
, E | 24 |
, R | 6,2 |
, R | 9,1 |
: - p-n-p 5 , , .
, , . 0.5 [2].
:
MIN | MAX | U, | I, | I, | f, | ||
, : = +125 0 = -60 0 | I | 0,015 0,05 0,008 | |||||
, | I | ||||||
- (I=4 ), | U | ||||||
, | h11 | ||||||
: = +125 0 = -60 0 | h21 | ||||||
, | 104 | ||||||
, | fh21 | 104 |
:
|
|
Ø I max = 10 ;
Ø I, max =50 (t =10 ,Q≥10);
Ø I, = 10
(t =10 ,Q≥10);
Ø - Umax = 15 ;
Ø -:
= -60+75 0, Umax = 30 ;
= +125 0, Umax = 15 ;
Ø - U max:
= -60+75 0, U max = 30 ;
= +125 0, U max = 15 ;
Ø :
= -60+75 0, P max = 150 ;
= +125 0, P max =60 ;
Ø = 1500;
Ø -60+125 0.
= -60+125 0.
. . :
R:
R =0,2×R=0,2×6,2×103=1240 .
R=1200 = 1,2 .
:
- I = 0, U = =24 ;
- U = 0,
203 ∆I = 20 .
1.
2.
,
U0 = 11 , I0 = 1,7 .
:
I0 = 0,04 .
U0 = 0,56 .
I, R2, I=5×I, R1, R2 :
I = 5 × 0,04×10-3 = 0,2 .
UR = I × R I×R = 1,7×10-3×1200 = 2,04
UR2 = U + UR = 0,56 + 2,04 = 2,6 B
R1 = 91 .
R2 = 13 .
3.