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CRI
@)
TERMINAL STANDOFF
*
TRIM RESISTOR 1.3K TO 13K l/4W 5%
517
R5
620
-6V
CR2
Rl9
620
-6V
+6V
R3
1.3K
+6V
Rl7
1.3K
JUMPER 0
I
R26
620
R27
620
R7
I.OK
.,_--~15
OUTPUT
~r~
l
w
R21
I.OK
---~18
R20
IK
~~~~~~~~~~~~(§)
POSITIVE
8
THRESHOLD
ST-335
INPUT- 2
POSITIVE THRESHOLD -
8
1 5 f-
OUTPUT
NEGATIVE THRESHOLD -
6
THRESHOLD NODE -
3
A
Rll
~NEGATIVE
r ' . ::/ --- ' . ::/
J.
\::..,/THRESHOLD
-:!:-
I
-
R9
0 715
-6V
-6V
SCHEMATIC
Rl3
200
Rl4
470
..L
@+sv
Cl
0.033~~-sv
J.,
C2
......_,,,
0.033~f
24
27
30
18
B
LOG IC SYMBOL
Figure A-102.
Schmitt Trigger PAC,
Model ST-335, Schematic Diagram
and Logic Symbol
A-187
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