1054417, V
ER
. 01
P
AGE
54
Alice
®
PDx
TM
Service & Technical Reference Manual
APPR BY:
DRN BY:
CHK BY:
PROCESS:
PRODUCT LINE:
SIZE
SCALE
D
TITLE:
DRAWING NO.
1:1
Alice PDx ANALOG BOARD
SHEET
O
F
11
3
EDMS
EDMS
EDMS
EDMS
F.PASCARELLA
2-20-07
SCHEMATIC
Alice PDx
PART NO.
REV.
1041923
S1041923
5
+3.3V_ANA
NET00125
B
A
Loopback
LA
+3.3V_ANA
R21
1.00K
AGND
AGND
.01uF
C22
R20
10M
R18
10M
.01uF
C24
AGND
AGND
+3.3V_ANA
.1uF
C10
.01uF
C4
AGND
AGND
AGND
AGND
AGND
+3.3V_ANA
AGND
.01uF
C7
AGND
.01uF
C23
AGND
.1uF
C127
AGND
R6
4.75K
R7
28.7K
R11
10M
.47uF
C5
R15
19.6K
.01uF
C6
RIGHT ARM INPUT
RA
ANALOG_REF
ANALOG_REF
18
J16:R
22
J16:T
16
J16:P
17
J16:Q
ANALOG_REF
15
J16:O
R262
1.00K
12
J16:L
13
J16:M
3
J16:C
LEFT ARM INPUT
1
J16:A
2
J16:B
R1
1.00K
AGND
R486
100K
+3.3V_ANA
ANALOG_REF
3
4
5
BAS40DW-04
CR1:B
AGND
AGND
ANALOG_REF
6
1
2
BAS40DW-04
CR1:A
+3.3V_ANA
/ECG_GOOD
680pF
C8
R4
187K
AGND
10uF
C2
1UF
C11
AGND
+3.3V_ANA
+3.3V_ANA
+3.3V_ANA
ANALOG_REF
ECG_I
14
J16:N
19
J16:S
4
J16:D
11
J16:K
R261
1.00K
AGND
2
1
3
ESD8V0L2B-03L
CR34
2
1
3
ESD8V0L2B-03L
CR4
R2
20.0K
+3.3V_ANA
.47uF
C3
R5
1.18K
AGND
NOTES:
ECG I A/D INPUT = 0-3V
ECG I input is +/-4mV (8mVpp)
Total Gain needed = 3V / 8mV = 375
R14
3.92K
R16
6.81K
1
11
4
3
2
AD8609
U10:A
14
11
4
12
13
AD8609
U10:D
1000 OHMS @ 100 MHZ
E16
1000 OHMS @ 100 MHZ
E13
ANALOG_REF
ECG-I AMPLIFIER
+3.3V_ANA
1000 OHMS @ 100 MHZ
E12
8
11
4
10
9
AD8609
U10:C
5
8
9
-IN
10
7
6
3
2
+IN
1
4
AD8553
U9
2
1
3
ESD8V0L2B-03L
CR6
7
11
4
5
6
AD8609
U10:B