9
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1.
Elecrtronics Workbench.
2.
:
1. .
2.
3. .
4. .
5. .
1.
:
1. I = 20,04
2. I = 3,980
3. U- = 758,3
4. U- = 12,04 V
:
- β = I /I=198
- I = / R=20,83
- I = β I=3,967
- U- = 760,2
- U- = - I R= 12,05 V
2N3904
, | |||||||
U-, | -0,0000000025 | 0,998 | 1,996 | 4,990 | 9,98 | 14,97 | 19,96 |
I, A | 0,000998 | 0,001996 | 0,004990 | 0,00998 | 0,01497 | 0,01996 |
= 5 .
R = β R = 0,396
Ik=19,96 ,
R/2=0,198 Ik = 19.96 .
R/3=0,099 Ik = 19.96 .
2. .
:
1. I = 18,88
2. I = 3,828
3. I = 3,847
4. U = 3,296
5. U- = 9,806
:
1. β = I /I = 203,6
2. I = (UR2 U-0) / R = 3,9
3. I = I / (1 + β) = 18
4. I = β I = 3,8
5. U = R2/(R1+ R2) = 3,3
6. U- = IR IR = 10
.
, | ||||||||
U-, | 0,99730 | 1,995 | 4,405 | 6,297 | 8,064 | 9,806 | 11,54 | |
I, A | 0,000000997 | 0,000001995 | 0,0002233 | 0,00139 | 0,002604 | 0,003828 | 0,005 |
|
|
:
U=0; I=0.01;
I=0; U=20;
1. ?
2. ?
3. ? ?
4. ? ?
5. - ?
6. ?
7. R ? ?
?
. 5 ; (. . 1),
I = f( ) I = const. (1)
(i, ).
. , U = U . (R, U)
i = ( - )/R (2)
(1), (2) , (. 7) , (2). (2) , i = 0, = i = /R. - .
?
. . . , , , .
? ?
() ( Y) ( Z). , R I =b I + I0.
, , , b I0 , b R, .
? ? -
1 , .
I = 0, I1 = I0, I0 , =0.
|
|
U1 ≈ E1, , λ
2 , .
I ≠ 0, I ≠U/R, I =/R
U2 0, , λ
.
- ?
:
, Electronics Workbench.
, . . .
: , , -, - : . .
, , . . - , , ..
:
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