AD9851/FSPCB Analog Devices Inc, AD9851/FSPCB Datasheet - Page 7

• Manufacturer Part Number: AD9851/FSPCB
• Description: BOARD EVAL FOR AD9851/FS
• Manufacturer: Analog Devices Inc
• Series: AgileRF™r

Specifications of AD9851/FSPCB

• Rohs Status: RoHS non-compliant
• Main Purpose: Timing, Direct Digital Synthesis (DDS)
• Utilized Ic / Part: AD9851/FS
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -

TPC 7. Typical CMOS comparator p-p output jitter with
the AD9851 configured as a clock generator, DDS f
the AD9851 configured as a clock generator, DDS f
the AD9851 configured as a clock generator, DDS f
10.1 MHz, V
10.1 MHz, V
10.1 MHz, V = 5 V, system clock = 180 MHz, 70 MHz LPF .
Graph details the center portion of a rising edge with
scope in delayed trigger mode, 200 ps/div. Cursors show
208 ps p-p jitter.
TPC 8. Typical CMOS comparator p-p output jitter with the
AD9851 configured as a clock generator, DDS f
AD9851 configured as a clock generator, DDS f
AD9851 configured as a clock generator, DDS f
V
V
V = 5 V, system clock = 180 MHz, 70 MHz LPF. Graph details
the center portion of a rising edge with scope in delayed
trigger mode, 200 ps/div. Cursors show 204 ps p-p jitter.
REV. D
S
S
S
S
= 5 V, system clock = 180 MHz, 70 MHz LPF. Graph details
1
1
Tek Run 4.00GS/s
Tek Run 4.00GS/s
Ch1 200mV
Ch1 200mV
S
S
S
S
@ : 1.940ns
 : 204ps
@ : 3.672ns
 : 208ps
= 5 V, system clock = 180 MHz, 70 MHz LPF .
T
Sample
Sample
T
[
[
]
]
M 12.5ns Ch 1
D 200ps Runs After
M 12.5ns Ch 1
D 200ps Runs After
OUT
OUT
OUT
OUT
–200mV
–200mV
= 40.1 MHz,
= 40.1 MHz,
OUT
OUT
OUT
OUT
=
=
–7–
TPC 10. Output Phase Noise (5.2 MHz A
Multiplier Enabled, System Clock = 180 MHz, Reference
Clock = 30 MHz
TPC 9. Typical CMOS comparator p-p output
jitter with the AD9851 configured as a clock
generator, DDS f
generator, DDS f
generator, DDS f
clock = 180 MHz, 70 MHz LPF. Graph details
the center portion of a rising edge with scope
in delayed trigger mode, 200 ps/div. Cursors
show 280 ps p-p jitter.
1
–100
–115
–120
–125
–130
–135
–140
–145
Tek Run 4.00GS/s
100
Ch1 200mV
@ : 2.668ns
 : 280ps
OUT
OUT
OUT
OUT
FREQUENCY OFFSET – Hz
Sample
1k
T
= 70.1 MHz, V
= 70.1 MHz, V
= 70.1 MHz, V
= 70.1 MHz, V = 5 V, system
[
]
M 12.5ns Ch 1
D 200ps Runs After
AD9851 PHASE NOISE
10k
S
S
S
S
OUT
OUT
OUT
= 5 V, system
), 6
), 6
AD9851
–200mV

REFCLK
100k