AD9864BCPZRL Analog Devices Inc, AD9864BCPZRL Datasheet - Page 42

• Manufacturer Part Number: AD9864BCPZRL
• Description: IC,RF/Baseband Circuit,LLCC,48PIN,PLASTIC
• Manufacturer: Analog Devices Inc

Specifications of AD9864BCPZRL

• Rf Type: UHF, Cellular, GSM, EDGE, TETRA
• Frequency: 10MHz ~ 300MHz
• Features: General Purpose IF Subsystem
• Package / Case: 48-LFCSP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD9864
LAYOUT EXAMPLE, EVALUATION BOARD, AND
SOFTWARE
The evaluation board and its accompanying software provide a
simple way to evaluate the AD9864. The block diagram in
Figure 75 shows the major blocks of the evaluation board,
which is designed to be flexible, allowing configuration for
different applications.
The power supply distribution block provides filtered, adjust-
able voltages to the various supply pins of the AD9864. In the
IF input signal path, component pads are available to implement
different IF impedance matching networks. The LO and CLK
signals can be externally applied or internally derived from a
user-supplied VCO module interface daughter board. The refer-
ence for the on-chip LO and CLK synthesizers can be applied via
the external f
105
100
95
90
85
80
0
REF
20
Figure 74. Hung Mixer SNR vs. BW and VGA
input or an on-board crystal oscillator.
MAX ATTEN WITH
16-BIT I/Q DATA
MIN ATTEN WITH
24-BIT I/Q DATA
40
60
BW (kHz)
MAX ATTEN WITH
24-BIT I/Q DATA
80
100
MIN ATTEN WITH
16-BIT I/Q DATA
120
f
CLK
= 18MSPS
140
160
Rev. 0 | Page 42 of 44
The evaluation board is designed to interface to a PC via a
National Instruments NI 6533 digital IO card. An XILINX FPGA
formats the data between the AD9864 and digital I/O card.
Software developed using National Instruments’ LabVIEW™
(and provided as Microsoft® Windows® executable programs) is
supplied for the configuration of the SPI port registers and
evaluation of the AD9864 output data. These programs have a
convenient graphical user interface that allows for easy access
to the various SPI port configuration registers and frequency
analysis of the output data.
For more information on the AD9864 evaluation board, includ-
ing an example layout, please refer to the EVAL-AD9874EB
Data Sheet
(www.analog.com/Analog_Root/static/pdf/techSupport/AD987
4EB_0.pdf).
MIXER
INPUT
POWER SUPPLY
DISTRIBUTION
INPUT
IF
Figure 75. Evaluation Board Platform
DUT
INPUT
INPUT
LO
CLK
AD9864
EPROM
SPARTON
XILINX
FPGA
INTERFACE
MODULE
OSCILLATOR
(OPTIONAL)
VCO
CRYSTAL
FIFO
IDT
INPUT
FREF