- -
(, )
( LM331 (NSC, )).
:
U=3.5-35, I<1.5
:
(.1) 0.2%
(.2, 3) 0.02%
U ( 5,6) < 10
I ( 5,6) < 300
U ( 13,14) < 5
u (R=10) > 50000
Iout imp max = 20
UA021 431.322.001
- (c. 1) .
1,9 ( ), [1] (
, 3), [2] ( 5 6), [3],
, [4] n-p-n-
[5]. , 10 11
. .
5 , 6, , ,
2 4. . ,
6 5, 4
1.9. , ,
2 4, 2 . . 1
R1 , , .
, 5 6.
1 Uin/R1,
Puc. 4
8
8
5
5
12
12
R1
R1
C1
C1
13
13
2
2
14
14
R3
R3
C2
C2
C2
R1
C1
R2
R2
R2
Out
Out
Out
14
13
12
9
9
8
6
6
6
5
4
4
4
3
3
3
2
1
1
1
In
In
In
2k
1
4
Ucc
Ucc
Ucc
Ucc
Ucc
9
3
8
1000
4
12
10
11
R
S T
Uref
Uref
2
5
14
13
5
6
2
3
100k
1.0
40k
1
In
Out
Puc. 3
Puc. 2
Puc. 1
R2
C1
R1
C2
R3
2. , . e.
.
: ,
1 2, 1,9/R2.
2 R2*C2. Fout=Vin/(R1*C2*1.9). : R2>=20k, C1>=300*C2. :R1=100k,
R2=40k, R3=2k, C1=1.0, C2=2. 2,6 /.
5
, 6,
, c .
!
.
1 , , .
. 2: ( ).
,
1, ,
. ,
12 5 1,9 ( 6
3, 1,9).
. Fout=-Vin/(R1*C2*1.9); Timp=R2*C2. 2 ,
. , C1>C2.
1=2*2. , , -
.
. 3:
( ).
,
.
.
. 4:
.
1 , 2*1.9,
5. 1 .
, .
2 ( 4) (R2*C2),
.
(1.9). Vout=Fimp*R1*C2*1.9;
R2>=40k; C1>=1000*C2.
: Vimp>=2; Timp<=0.5*R2*C2.
, 6.
5 6,
( ,
), , .
1,9 2 ( 4),
1,9 3.
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