Welch Allyn Atlas - Page 7

A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
Respiration
Drive
Circuit
Respiration
Diff Amp
B.W. = .06Hz to 16 Hz Gain =1000
B.W. = 10Hz
Isolation
Barrier
U702 U703
620017.dsn
Rick Myers
Rick Myers
Mar 5, 1999
Mar 5, 1999
5-39121 JAC 3/15/99 LPP
L. Phillips
Z. Psenicnik
J. Bello
3/16/99
3/16/99
3/16/99
B See ECN worksheet LPP LPP5-39455 4/27/99
D
Improvements for ESD, RFI,
and Fast Transients, Correct
Respiration Diff-Amp Topology
LPP5-39821 6/24/99
Mods to U2 clock line, Resp
gain amp, ECG supply and
NVRAM pullup
E 5-39936 LPP 7/9/99
LPP
REV
Description
ECN/ECO Init
Date Ckd
A Release to Production
620017 E
Respiration
C
7
8Wednesday, July 14, 1999
Title
Size
Document Number
Rev
Date: Sheet of
Welch Allyn Inc.
Schematic:
Release For Production
Approved
Checked
Designed
Drawn
Initial Date
U702-6
U702-2
U702-1
U702-3
D703-1
Q701-d
Q701-g
U703-5
Resp-AC
U703-6
D703-3
D701-3
D702-3
C701-1
C702-1
iso701-a
RespDr+
RespDr-
U703-2
d705-c
U702-7
resp-clk u710-6
D704-3 U702-5
Resp-Reset
An-Resp
-Clamp +Clamp
Right-Arm
Left-Arm
f+5V
Resp-DC
fVcc
fVee
f+5V
FE-Pwr-Sync
+5V
iso+5Vdig iso+5Vdig
Resp-Off
E
E E
E
E
E E
E
E
E
E
E
E
ED
fVcc
fVcc
fVcc
fVee
fVee
fVee
E
EE
E E E
E
E
ED
fVee
fVcc
C717
.047uF
TP712
C715
.047uF
C701
1000pF
R720
100K
C716
.047uF
C702
1000pF
C713
0.1uF
C718
.047uF
R715
3.16K
TP708
D705
MMBD354LT1
1
3
2
TP707
TP705
TP717
TP713
+
-
U703B
AD712
5
6
7
84
+
-
U703A
AD712
3
2
1
8 4
TP702
U701B
74HC74
12
11
9
8
14 10
7 13
D
CLK
Q
Q
VCC
PR
GND CL
R705
2.15K
+ C719
4.7uF
R711
15.8K
C714
.047uF
TP703
D706
MMBD1503A
1
3
2
R712
1K
R713
1K
U710
HCNW4503
2
3
8
6
5
C712
3.3uF
TP704
C706
330pF
R714
15.8K
R716
3.16K
R718
825K
R717
3.16K
R719
51.1K
R709
464K
R721
316K
R722
316
U701A
74HC74
2
3
5
6
14 4
7 1
D
CLK
Q
Q
VCC
PR
GND CL
D701
MMBD1503A
1
3
2
R707
1.96K
D702
MMBD1503A
1
3
2
+
-
U702B
AD712
5
6
7
84
D703
MMBD1503A
1
3
2
C707
330pF
D704
MMBD1503A
1
3
2
TP720
C705
0.1uF
Q701
MMBF4393L
2
3
1
TP723
R701
1.96K
TP709
C711
0.1uF
R702
1.96K
R706
215
TP701
TP711
TP706
R710
464K
TP716
TP710
R708
1.96K
+
-
U702A
AD712
3
2
1
84
TP721
R703
31.6K
TP718
R704
31.6K
TP714
R725
2.15K
TP722
TP719
C721
100pF
C720
.047uF
R723
1Meg
R724
196K
TP715