Blease 8500 - Page 62

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87654321
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Title
Number RevisionSize
A3
Date: 4-Feb-2002 Sheet of
File: \\Cad 3\c\1 JONS ARCHIVE\8500archive\circuit diagrams\10110088-3\10110088-3\10110088-3.DDBDrawn By:
PT3
176PC07HD2
R59
6K8
R12
56K
R62
6K8
R1
200
R18
200
R9
62K
VR1
10K
C9
100N
C8
100N
+4VREF
+5V
-4V
-5V
Y2
2
VN
3
Z
4
W
5
VP
6
X2
7
X1
8
Y1
1
IC6
AD835
R38
10K
R44
20K
R39
10K
R27
20K
R30
2K
R25
20K
R37
10K
D3
BAS16
D1
BAS16
C34
1N
C31
100N
C30
100N
C33
4.7uF
C28
4.7uF
AGND
+5V
-5V
AGND
+5V
AGND
-5V
R43
20K
AGND
AGND
R49
10K
R47
39K
C42
100N
R33
20K
R34
20K
R29
100
+4VREF
R48
39K
PT1
DUXL30D
R58
6K8
R13
56K
R61
6K8
R3
430
R19
430
R2
62K
VR2
10K
C12
100N
C11
100N
+4VREF
+5V
-4V
AGND
-5V
Y2
2
VN
3
Z
4
W
5
VP
6
X2
7
X1
8
Y1
1
IC7
AD835
R41
3K9
R46
20K
R42
10K
R28
20K
R32
2K
R26
20K
R40
10K
D4
BAS16
D2
BAS16
C35
1N
C27
100N
C29
100N
C32
4.7uF
C26
4.7uF
AGND
+5V
-5V
AGND
+5V
AGND
-5V
R45
20K
AGND
AGND
R35
20K
R36
20K
R31
100
R50
390
C43
10N
600mV offset
2.5 volt offset
2 of 3
Pressure Interface
RHC/IRBW
+4VREF
Patient Flow
Fresh Gas Flow
+5V
-5V
+4VREF
AGND
C2
100N
C1
100N
C39
100N
C38
100N
C6
100N
C10
100N
C37
100N
C36
100N
C23
100N
C21
100N
AGND
AGND
+5V
-5V
+4VREF
10
9
8
IC9C
LT1367CS
12
13
14
IC9D
LT1367CS
5
6
7
IC9B
LT1367CS
3
2
1
411
IC9A
LT1367CS
3
2
1
411
IC10A
LT1367CS
5
6
7
IC10B
LT1367CS
12
13
14
IC10D
LT1367CS
10
9
8
IC10C
LT1367CS
-4V
-4V
PFI
FGI
AGndAGnd
1
2
3
4
R66
560K
AUTO ZERO
PFZ
R63
470K
R64
470K
FGZ
10110088
3
3
2
1
84
IC1A
LT2078CS8
6
5
7
IC1B
LT2078CS8
3
2
1
84
IC4A
LT2078CS8
6
5
7
IC4B
LT2078CS8
C53
100N
C?
C54
-5V
-5V
R76
560K
FG AUTOZERO
R76 is added as a MOD