AD9540/PCB Analog Devices Inc, AD9540/PCB Datasheet - Page 17

• Manufacturer Part Number: AD9540/PCB
• Description: BOARD EVAL CLK GEN SYNTH 48LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9540/PCB

• Module/board Type: Evaluation Board
• For Use With/related Products: AD9540
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL APPLICATION CIRCUITS
CRYSTAL
25MHz
REFERENCE
EXTERNAL
DETECTOR/CHARGE PUMP
÷M
÷N
PHASE FREQUENCY
AD9540
÷M
÷N
REFIN
CLK2
PHASE FREQUENCY
AD9540
CP_OUT
LPF
DETECTOR
REFIN
CLK2
Figure 35. Direct Upconversion of DDS Output Spectrum
LPF
Figure 32. Dual Clock Configuration
Figure 33. Optical Networking Clock
Figure 34 Fractional-Divider Loop
FREQUENCY
DETECTOR
REFIN
CLK2
AD9540
CHARGE
DDS
PHASE
PUMP
Rev. A | Page 17 of 32
REFIN
CLK2
LPF
DAC
CP_OUT
DAC
DDS
400MHz
CHARGE
VCO
DAC
PUMP
LPF
÷R
÷N
DDS
DDS
÷R
LPF
622MHz
DAC
VCO
DRIVER
CML
AD9540
VCO
÷R
LPF
DRIVER
CML
LPF
VCO
ADCMP563
ADCMP563
CLOCK1
CLOCK2
CLOCK1
CLOCK1′
AD9540