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D D
C C
B B
A A
C heck R EV D escription
Title:
Size
A3
Number Revision
Date :
File Name:
Sheet of
Design By :
D A TED esignA pproval
See EE-228 for power supply design notes
NC
DC12V 300mA neg tip
AL7-40-0052
NC
NC
FOR DEVELOPMENT ONLY
NC NC
9.4V regulator for 120Hz suppression
NC
NC
(9.13V-9.84V, resistor+vref tolerances)
GND TP
AC COUPLE HEATSINK IF NEEDED
DONOT STUFF FOR NOW
AC COUPLE HEATSINK IF NEEDED
DONOT STUFF FOR NOW
FDS9431A
1
2
3
4
5
6
7
8
Q14
MBRS140L T3
D11
15uH
2 4
L3
0.1uF
C73
68uF, 6.3V
C82
100uF, 4V
C89
0.1uF
C113
0.1uF
C123
0.1uF
C127
0.1uF
C133
0.1uF
C96
0.01uF
C101
0.01uF
C104
0.1uF
C84
0.1uF
C103
0.1uF
C105
0.1uF
C118
0.1uF
C111
0.1uF
C125
0.1uF
C115
0.1uF
C136
0.01uF
C100
0.01uF
C106
0.01uF
C124
0.01uF
C130
10uF,10V
C88
10uF,10V
C121
10uF,10V
C117
LM809M3- 2.93
RST
VCC
GND
U13
0.1uF
C135
1
2
3
J10
MBRS140L T3
D1
1
2
3
4
5
6
SW1
R5
0.1uF_DNS
C93
22uF,16V
C132
1.15k 1%R77
TP 1
TP 8
TP 10
TP 2
TP 9
8 MHz
X1
18pF
C94
18pF
C85
LTST- C190K RK T
D7
0.1uF
C120
0.1uF
C137
0.1uF
C119
0.1uF
C129
0.1uF
C131
LM2674M- ADJ
CB
1
2
3
FB
4
ON/OF F
5
6
VIN
7
OUTP UT
8
GNDNCNC
U9
100uF,25V
C54
0.1uF
C58
0.01uFC72
39 uH
L4
432 OHM 1%R102
249 OHM 1%R95
220uF,16V
C99
MBRS140L T3
D14
LM317EMP
1
VOUT
2
VIN
3
TAB
4
ADJ
U22
383 ohm 1%
R123
1.15k 1%
R128
0.1uF
C64
NJM2387
VIN
1
ON/OF F
2
OUT
3
VADJ
4
5
OUT(TAB)
6
GND
U2
0.1uF
C8
0.1uF
C138
22uF,16V
C139
1.15k 1%
R3
7.50k 1%
R4
0.1uF
C141
0.1uF
C142
B L M
4
1PG 102SN 1
12
L
17
0.1uF_DNS
C148 C149 C150 C151 C152 C153 C154 C155 C156
0.1uF_DNS
C157 C158 C159 C160 C161 C162 C163 C164 C165
C166 C167
C169 C170 C171
0.1uF
C168
+3.3V
GND
+3.3V
GND
GND
GND
GND
GND
RESET
+VRAW
+3.3V
GND
+5V
GND
GND GND
+3.3V
GND
GND
GND
GND
GND
+3.3V
GND
GND
GND
GND
+VRAW
GND
+5V
nominal 120Hz suppression: 21.6dB + 43.2dB = 64.5dB
1-pole 10Hz VREF filter
2-pole 10Hz VREF filter
15k
R117
15k
R125
TP 3
1uF
C116 NJM4580E
+
3
-
2
1
U17A
NJM4580E
+
5
-
6
7
U17B
43k
R109
4.7k
R124
4.7uF,16VC98
0.33uF
C112
+VRAW
GND
+VREF
GND
84
+V
-V
U17C
0.1uF
C110
+VRAW
GND
ADSP -BF 531
1
2
3
7
8
9
15
19
30
39
40
41
42
43
44
56
70
88
89
90
91
92
97
106
117
128
129
130
131
132
133
144
155
170
174
175
176
6
12
20
31
45
57
71
93
107
118
134
145
156
171
25
52
66
80
111
143
157
168
VDDRTC
18
VROUT1
4
VROUT0
5
CL K IN
10
XTAL
11
RTXO
16
RTXI
17
V D D
I
N
G
G
N D
V
D D
E
X T
U21C
NC
G
N D
VDDI NG
LDS5 MAIN PCB
2011.2.25 2 5
PC10A010
PO W E R
*
* * * * * * * * * * *
**
** ** ** ** ** ** ** ** ** ** ** **
DNS
0.1uF_D
N
S
C
126
0
.
1uF
_
D N
S
C
1
47
0
.1
u
F_D N
S
C
184
0.1uF_D N S
C 185
0
.
1
uF_D N
S
C 186
GND
GND
FOR SCREW HOL E
D N S_C P2
0
1209T -600Y
L
1
8
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