, , . , () () . 2, (. 7).
. 7. ; ( ).
(BC847B n-p-n ), ( BAV99, , ), - ( 0805) . , , (), 2- (. 8) - (). R2.1 R2.3 (.. R2 1 2), .
! .
. 8. ; 1 (. 7), 2 (. 7).
( VD1, VD2) ( ), ( ).
, .
R1 , , . R1 .
VD2 . , , . VD2 , VT1, , .
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R3 , R2 , .
- , 1 U, 0 - U . VT1 (U. 0 £ 0,4 U. 1 > 2,4).
U0 = U ., VT1 , U1 U; U1 U, , U1 U .
, - 0,7 , U . 0,3.
I 0, I 1, I 0, I 1, U 0, U 1, . R1 R3, R2. R2 , , R2 , I , , .
, , . 5% . R2. , 2.
1. .
2. .
3. , , .
4. . 1 2.
5. .
6. 4 , .
1. .
2. . 1 2.
3. U(U) .
4. .
5. .
6. .
. 1.
() . 9 ( ):
(.9) | R | , | |||
1 | 1-2 | R3 | 1,97 | ||
3-4 | R2 | 3.29 | |||
5-6 | R1 | 1.97 | |||
2 | 2-7 | R3¢ | 1,97 | ||
4-8 | R2¢ | 3.29 | |||
5-9 | R1¢ | 1.97 |
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. 9. ( ) ( ),
. 2.
XP1 | , | ||||
1 | 10-9 | U1 | |||
8-9 | U2 | 2.6 | |||
2-9 | U 0 | ||||
2-9 | U 1 | 2,6 | |||
3-9 | U 0 | 1.1 | |||
3-9 | U 1 | 2.3 | |||
1-9 | U 0 | ||||
1-9 | U 1 | 0.08 | |||
2 | 10-9 | U1 | |||
8-9 | U2 | 2.6 | |||
5-9 | U 0 | ||||
5-9 | U 1 | 2,6 | |||
6-9 | U 0 | 1.1 | |||
6-9 | U 1 | ||||
4-9 | U 0 | ||||
4-9 | U 1 | 0,09 |
. U 0, U 0 U 1, U 1 0 1 (. . 8)