參數(shù)資料
型號: TCA965B
廠商: INFINEON TECHNOLOGIES AG
英文描述: Window Discriminator(Bipolar IC)
中文描述: 窗口鑒別器(雙極型IC)
文件頁數(shù): 2/17頁
文件大?。?/td> 134K
代理商: TCA965B
TCA 965 B
Semiconductor Group
2
1998-02-10
Functional Description
Amplifier Amp 3 increases the voltage of the reference source
R
to
V
Stab
= 2 x
V
REF
. The
amplification factor can be altered by external wiring. With direct setting of the window,
the input voltage appears on amplifier Amp 1 (
V
8
), the upper edge voltage on
comparator K2 (
V
6
) and the lower edge voltage on comparator K1 (
V
7
).
With indirect setting of the window, the input voltage appears on inputs
V
6
and
V
7
, while
the center voltage is connected to amplifier A1 (
V
8
).
The voltage applied to the input (
V
9
) of amplifier Amp 2 is subtracted symmetrically from
the output voltage of amplifier Amp 1 and added. The comparators switch with
hysteresis. The logic gates have open-collector outputs.
If the inhibit input A or B is connected to ground, output A or B will always be high.
Block Diagram
Outputs A, B, C, D are open-collector
IEB00091
20 k
20 k
_
+
Amp 3
R
_
+
_
+
+
_
+
_
K1
K2
Amp 1
Amp 2
1
1
1
1
V = 1
V = 1
11
1
5
S
+V
V
REF
2
10
4
13
3
12
14
V
Stab
A
Inhibit A
C
D
Inhibit B
B
7
8
9
6
V
7
V
8
V
9
V
6
_
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