AD9859/PCB Analog Devices Inc, AD9859/PCB Datasheet - Page 23

• Manufacturer Part Number: AD9859/PCB
• Description: BOARD EVAL FOR AD9859
• Manufacturer: Analog Devices Inc
• Series: AgileRF™r

Specifications of AD9859/PCB

• Rohs Status: RoHS non-compliant
• Main Purpose: Timing, Direct Digital Synthesis (DDS)
• Embedded: No
• Utilized Ic / Part: AD9859
• Primary Attributes: 10-Bit DAC, 32-Bit Tuning Word Width
• Secondary Attributes: 400MHz, Graphical User Interface
• Lead Free Status / Rohs Status: Not Compliant

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
AD9859
PHASE
AD9859
RF/IF INPUT
TUNING
WORLD
LPF
FILTER
LOOP
MODULATED/
DEMODULATED
SIGNAL
VCO
Rev. A | Page 23 of 24
CRYSTAL
Figure 27. Two AD9859s Synchronized to Provide I and
Q Carriers with Independent Phase Offsets for Nulling
REFCLK
REFCLK
REFCLK
CRYSTAL OUT
FREQUENCY
FREQUENCY
TUNING
WORD
TUNING
AD9859 DDS
AD9859 DDS
WORD
OFFSET
WORD 1
OFFSET
WORD 2
SYNC OUT
PHASE
PHASE
SYNC IN
IOUT
IOUT
IOUT
IOUT
LPF
LPF
BASEBAND
BASEBAND
Q/Q
I/I
AD9859
RF OUT