1. 3
2. ......4
3. 6
4. ..8
5. .9 6. .11
7. ..12
8. I(U) 13
.....14
10. 酅..15
充..17
18
充.19
, , , , , , , .
2.
:
_ _ _ _ _ _ _ _ _ _ _ _ _342
_ _ _ _ = 6
_ _ _R = 0,12
_ _ _ _ _ _ _ _ R = 0,18
: - n-p- n- 70, .
. 0,5 .[2]
. :
h 21, | h 21 |,U , IR, U, I.
U, | I, | I, | f, | ||||
, : | I | 5×10-6 | 0,05 | ||||
, | I | ||||||
- (R≤10 ), | IR | ||||||
-, | U | 0,05 | 0,1 | ||||
-, | U | 0,6 | 0,9 | ||||
, | U | ||||||
|h21 | | |||||||
h21 | |||||||
, | |||||||
, | h21 | 10-3 | |||||
, | τ |
:
|
|
= -60+125 0.
I max , | |
I, max (t≤40 , Q≥500), | |
U max -, | |
UR max - ( R£10 , I=30 ), : = -60 0 +100 0 = +125 0 | |
U max -, | |
P max ( = -60+25 0), | |
T max , 0 | |
, 0 | -60+125 |
100 0 .
25 0 P max []= (150- )/ RT,-, RT,-=0,5 0/.
1.