AD9850
–17–
REV. H
C36CRPX
J1
D0
D1
D2
D3
D4
D5
D6
D7
12
13
14
15
16
17
18
19
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
8D
7D
6D
5D
4D
3D
2D
1D
9
8
7
6
5
4
3
2
U2
74HCT574
CLK
OE
11
1
STROBE
RRESET
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
FFQUD
WWCLK
STROBE
CHECK
P
O
R
T
1
+V
5V
C2
0.1F
C3
0.1F
C4
0.1F
C5
0.1F
C8
0.1F
C9
0.1F
C10
0.1F
C6
10F
C7
10F
+V
5V
BNC
R1
3.9k⍀
R8
100⍀
17
16
15
19
18
20
28
27
26
25
24
23
22
21
14
13
12
11
10
9
8
1
2
3
4
7
6
5
U1
AD9850
D3
D2
D1
DGND
DVDD
W
CLK
FQ
UD
CLKIN
AGND
AVDD
R
SET
QOUT
QOUTB
D0
D7
D6
D5
D4
RESET
DVDD
DGND
AGND
IOUTB
IOUT
AVDD
VINN
VINP
DACBL
D3
D2
D1
D0
GND
+V
WCLK
CLKIN
GND
+V
FQUD
D7
D6
D5
D4
+V
GND
RESET
GND
+V
E3E4E2E1
R6
200⍀
BNC
BNC
C1
470pF
J6
R5
100k⍀
R4
100k⍀
E5
E6
C11
22pF
C12
3.3pF
1
2
L1
1008CS
910nH
C13
33pF
C14
8.2pF
1
2
L2
1008CS
680nH
C15
22pF
R7
200⍀
J9
J7
200⍀ Z
42MHz ELLIPTIC
LOW-PASS FILTER
10mA
R
SET
J8
H1
No. 6
H2
No. 6
H3
No. 6
H4
No. 6
MOUNTING
HOLES
RESET
WCLK
FQUD
CHECK
RRESET
WWCLK
FFQUD
RRESET
12
13
14
15
16
17
18
19
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
8D
7D
6D
5D
4D
3D
2D
1D
9
8
7
6
5
4
3
2
U3
74HCT574
CLK
OE
11 1
STROBE
J2
J3
J4
BANANA
JACKS
+V
5V
GND
14
VCC
5V
R2
50⍀
J5
CLKIN
REMOVE
WHEN
USING Y1
8
OUT
XTAL
OSC
GND
Y1
7
R9
2.2k⍀
5V
RRESET
R10
2.2k⍀
FFQUD
R11
2.2k⍀
WWCLK
R3
2.2k⍀
STROBE
Figure 17. AD9850/CGPCB Electrical Schematic
COMPONENT LIST
Integrated Circuits
U1 AD9850BRS (28-Lead SSOP)
U2, U3 74HCT574 H-CMOS Octal Flip-Flop
Capacitors
C1 470 pF Ceramic Chip Capacitor
C2 to C5, C8 to C10 0.1 µF Ceramic Chip Capacitor
C6, C7 10 µF Tantalum Chip Capacitor
C11 22 pF Ceramic Chip Capacitor
C12 3.3 pF Ceramic Chip Capacitor
C13 33 pF Ceramic Chip Capacitor
C14 8.2 pF Ceramic Chip Capacitor
C15 22 pF Ceramic Chip Capacitor
Resistors
R1 3.9 kΩ Resistor
R2 50 Ω Resistor
R3, R9, R10, R11 2.2 kΩ Resistor
R4, R5 100 kΩ Resistor
R6, R7 200 Ω Resistor
R8 100 Ω Resistor
Connectors
J2, J3, J4 Banana Jack
J5 to J9 BNC Connector
Inductors
L1 910 nH Surface Mount
L2 680 nH Surface Mount
