Alto DIGMOD DSP-1 Schematic
7654321
8
D
A12
R117
47R
R120
11 10
R118
U6E
HEF4081BT
R119
47R
TO-U6-9
A14
+VCC
C9
100nF
U6G
HEF4081BT
7 14
GND
C
B23
R17
47R
R20
TO-U6-6
3 4
R18
U6B
HEF4081BT
R19
47R
B25
TR15-E
13 12
U6F
HEF4081BT
TR17-E
9 8
U6D
HEF4081BT
TO-U5-4
U6C
HEF4081BT
82pF
TO-U5-6
U6A
HEF4081BT
56
C8
12
C7
82pF
R115
2K2
R116
2K7
R16
2K7
R15
2K2
GND
GND
C107
82pF
C108
82pF
3
GND
D102
BAW56
3
GND
D2
BAW56
3
D1
BAW56
3
21
100nF
D101
BAW56
21
D4
BAV70
2 1
1 3
2 1
2 1
C11
+5V
GND
+5V
3
Q1
BC817
+5V
+5V
C40
10K
10uF10V
TO-U103-6
GND
B17
R1
B27
A16
A17
R132
10K
R133
47K
R92
1K
1
2
3
4
C43
10nF
GND
R21
1K
2
R94
22K
GND
A18
A19
TO-U8-8
TO-U8-9
A9-B26
R27
3K3
C15
10nF
+5V GND
GND
5
6
7
8
R25
24K
+VCC GND
A6
30
31
32
ATMEL AVR MEGA8 VASSOIO(250)
9
10
11
R26
C42
2K2
10nF
C51
C52
4.7pF50V
+5V+5V GNDGND
27
28
29
U8
12
13
14
C49
R23
100nF
3K3
+5V
25
26
15
16
C41
10nF
GND -VCC
C10 33pF
Y1
HC49/4H
C12 33pF
24
23
22
21
20
19
18
17
R24
10K
GND
C14
100nF
GND +5V
R32
10K
R33
47K
GND
R22
47R
R90
4K7
TO-U3-9
C13 3.3nF
B21
B20
B19
B18
R60
1M
D3
BAW56
2 1
A-B
R93
3
1K
220pF
C1
1 2
R5
1 2
10K
R95
1K
D
A22
+5V
TR50-B
A20
C
CN3
B
+5V
+VCC
-VCC
A10
A5
A6
A9
A12
A14
A16
A17
A18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
GND
A36
PSAMP1000CTRL1
PSAMP1000CTRL1.Sch
PSAMP1000CTRL2
PSAMP1000CTRL2.Sch
+5V
+VCC
-VCC
B30
B28
B27
B25
B23
B21
B20
B19
GND
A
GND
CN4
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
B18
B17
B16
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
GND
B1
B
A
1 2 3 4 5 6 7 8
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