AD9953/PCB Analog Devices Inc, AD9953/PCB Datasheet - Page 29

• Manufacturer Part Number: AD9953/PCB
• Description: BOARD EVAL FOR AD9953
• Manufacturer: Analog Devices Inc
• Series: AgileRF™r
• Type: DDS (Direct Digital Synthesis)r

Specifications of AD9953/PCB

• Rohs Status: RoHS non-compliant
• Contents: Evaluation Board
• For Use With/related Products: AD9953

SUGGESTED APPLICATION CIRCUITS
SIGNAL
REFCLK
REF
Figure 27. Synchronized LO for Up Conversion/Down Conversion
Figure 28. Digitally Programmable Divide-by-N Function in PLL
FILTER
COMPARATOR
AD9953
PHASE
AD9953
RF/IF INPUT
TUNING
WORLD
LPF
FILTER
LOOP
MODULATED/
DEMODULATED
SIGNAL
VCO
Rev. A | Page 29 of 32
CRYSTAL
Figure 29. Two AD9953s Synchronized to Provide I and
Q Carriers w
REFCLK
REFCLK
REFCLK
CRYSTAL OUT
FREQUENCY
FREQUENCY
TUNING
WORD
TUNING
AD9953 DDS
AD9953 DDS
WORD
ith Independent Phase Offsets for Nulling
OFFS
WOR
OFFSET
WORD 2
SYNC OUT
PHASE
PHASE
SYNC IN
D 1
ET
IOUT
IOUT
IOUT
IOUT
LPF
LPF
BASEBAND
BASEBAND
Q/Q-BAR
I/I-BAR
AD9953
RF OUT