AD9951/PCBZ Analog Devices Inc, AD9951/PCBZ Datasheet - Page 24

• Manufacturer Part Number: AD9951/PCBZ
• Description: BOARD EVALUATION FOR AD9851
• Manufacturer: Analog Devices Inc
• Series: AgileRF™r
• Type: DDS (Direct Digital Synthesis)r

Specifications of AD9951/PCBZ

• Contents: Evaluation Board
• For Use With/related Products: AD9951
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD9951
SUGGESTED APPLICATION CIRCUITS
SIGNAL
REFCLK
REF
Figure 25. Synchronized LO for Upconversion/Down Conversion
Figure 26. Digitally Programmable Divide-by-N Function in PLL
FILTER
COMPARATOR
AD9951
PHASE
AD9951
TUNING
WORLD
RF/IF INPUT
LPF
FILTER
LOOP
MODULATED/
DEMODULATED
SIGNAL
VCO
Rev. A | Page 24 of 28
CRYSTAL
Figure 27. Two AD9951s Synchronized to Provide I and
Q Carriers with Independent Phase Offsets for Nulling
REFCLK
REFCLK
REFCLK
CRYSTAL OUT
FREQUENCY
FREQUENCY
TUNING
WORD
AD9951 DDS
AD9951 DDS
TUNING
WORD
WORD 1
WORD 2
OFFSET
OFFSET
SYNC OUT
PHASE
PHASE
SYNC IN
IOUT
IOUT
IOUT
IOUT
LPF
LPF
BASEBAND
BASEBAND
Q/Q-BAR
I/I-BAR
RF OUT