Datasheet

AD9851
–19
–
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
9
8
7
6
5
4
3
2
12
13
14
15
16
17
18
19
11 1
STROBE
D0
D1
D2
D3
D4
D5
D6
D7
U2
74HCT574
J1
C36CPRX
RRSET
8D
7D
6D
5D
4D
3D
2D
1D
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
CK
OE
FFQUD
WWCLK
CHECK
STROBE
9
8
7
6
5
4
3
2
12
13
14
15
16
17
18
19
8D
7D
6D
5D
4D
3D
2D
1D
8Q
7Q
6Q
5Q
4Q
3Q
2Q
1Q
CK
OE
11 1
STROBE
RESET
WCLK
FQUD
CHECK
U3
74HCT574
RRESET
WWCLK
FFQUD
RRESET
V
CC
Y1
OUT
GND
7
8
14
5V
XTAL
OSC
(OPTIONAL)
R2
50
J5
CLKIN
REMOVE WHEN
USING Y1
C2
0.1F
C3
0.1F
C4
0.1F
C5
0.1F
C8
0.1F
C9
0.1F
C10
0.1F
+V
5V
C6
10F
C7
10F
+V
5V
H1
#6
H2
#6
H3
#6
H4
#6
R3
2.2k
STROBE
5V
WWCLK FFQUD RRESET
R8
2.2k
R9
2.2k
R10
2.2k
J2
+V
J3
+5V
J4
GND
BANANA
JACKS
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VOUTP
VOUTN
R
SET
AVDD
AGND
REFCLOCK
FQ UD
D3
D2
D1
D0
W CLK
PVCC
PGND
VINN
VINP
DACBP
AVDD
AGND
IOUTB
IOUT
D4
D5
D6
D7
RESET
DVDD
DGND
U1
AD9851
+V
GND
CLKIN
FQUD
D3
D2
D1
D0
WCLK
+V
GND
+V
GND
D4
D5
D6
D7
RESET
+V
GND
R5
25
R4
50
GND
GND
TP1
TP3
TP2
TP4
R5
1k
+V
R7
1k
GND
COMPARATOR
INPUTS
J6
DAC OUT
TO 50
R1
3.9k
GND
GND
TP5
TP6
TP7
TP8
10mA
RESET
MOUNTING HOLES
AD9851/FSPCB
FREQUENCY
SYNTHESIZER
EVALUATION BOARD
NC
NC = NO CONNECT
Figure 22. FSPCB Electrical Schematic
REV. D