AD9851 Analog Devices, AD9851 Datasheet - Page 19

• Manufacturer Part Number: AD9851
• Description: CMOS 180 MHz DDS/DAC Synthesizer
• Manufacturer: Analog Devices

Miscellaneous Hardware
1
1
1
1
5
1
4
2
2
4
4
Decoupling Capacitors
1
7
2
Resistors
1
1
4
2
2
1
1
Filter Capacitors (70 MHz 7-Pole Elliptic Filter)
3
1
1
1
1
Inductors (70 MHz 7-Pole Elliptic Filter)
1
2
Integrated Circuits
1
2
REV. C
Amp 552742-1, 36-Pin Plastic, Right Angle,
PC Mount, Female
Banana Jack—Color Not Important
Yellow Banana Jack
Black Banana Jack
BNC Coax. Connector, PC Mount
AD9851/CGPCB Evaluation Board
GSO 0515(B)
AMP 5-330808-6, Open-Ended Pin Socket
#2-56 Hex Nut (to Fasten J1)
#2-56
(to Fasten J1)
#4-40 Hex Nut (to Fasten Stand-Offs to Board) None
#4 1-Inch Metal Stand-Off
Size 1206 Chip Capacitor, 470 pF
Size 1206 Chip Capacitor, 0.1 F
Tantalum Capacitors, 10 F
3.9 k Chip Resistor, Size 1206
50
2 k or 2.2 k Chip Resistor, Size 1206
100 k Chip Resistor, Size 1206
200
100
Dummy Resistor (for Optional Installation)
22 pF Chip Capacitor, Size 1206
1 pF Chip Capacitor, Size 1206
33 pF Chip Capacitor, Size 1206
5.6 pF Chip Capacitor, Size 1206
4.7 pF Chip Capacitor, Size 1206
470 nH Chip Inductor, Coil Craft 1008CS
390 nH Chip Inductor, Coil Craft 1008CS
AD9851 Direct Digital Synthesizer,
Surface Mount
74HCT574AN HCMOS Octal Flip-Flop,
Through-Hole Mount
CGPCB Evaluation Board Parts List—GSO 0515(B)
Chip Resistor, Size 1206
Chip Resistor, Size 1206
Chip Resistor, Size 1206
3/8 Binder Head Machine Screw
Ref . Des.
J1
J2
J3
J4
J5, J6, J7,
J8, J9
C2–C5,
C8–C10
C6, C7
R10, R11
R4, R5
R6, R7
C11, C15,
C17
L1
L2, L3
U2, U3
None
None
None
None
None
C1
R1
R2
R3, R9,
R8
R12
C12
C13
C14
C16
U1
–19–
Figure 26. Wideband (dc to 72 MHz) output SFDR for a
1.1 MHz fundamental output signal. System clock = 180 MHz
(6 REFCLK Multiplier engaged), V
Figure 27. Wideband (dc to 72 MHz) output SFDR for a
40.1 MHz fundamental output signal. System clock =
180 MHz (6 REFCLK Multiplier engaged), V
Figure 28. Wideband (dc to 72 MHz) output SFDR for a
70.1 MHz fundamental output signal. System clock =
180 MHz (6 REFCLK Multiplier engaged), V
–100
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
START
START
START
0
0
0
0Hz
0Hz
0Hz
RBW = 5kHz
VBW = 5kHz
SWT = 7.2s
RF ATT = 20dB
REF LVL = –7dBm
7.2MHz/
7.2MHz/
7.2MHz/
S
RBW = 5kHz
VBW = 5kHz
SWT = 7.2s
RF ATT = 20dB
REF LVL = –7dBm
RBW = 5kHz
VBW = 5kHz
SWT = 7.2s
RF ATT = 20dB
REF LVL = –7dBm
= +5 V.
S
S
AD9851
= +5 V.
= +5 V.
72MHz
72MHz
72MHz
STOP
STOP
STOP
2AP
2AP
2AP