EVAL-ADF4112EB1 Datasheet, PDF (1/6 Pages) Analog Devices – CDMA Evaluation Board For PLL Frequency Synthesizer

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CDMA Evaluation Board For PLL
Frequency Synthesizer
EVAL-ADF4112EB1
FEATURES
Self-Contained Board including Synthesizer and VCO,
Loop Filter for generating CDMA frequencies (824MHz
to 849MHz)
Designed for 3kHz Loop Bandwidth
Accompanying Software allows complete control of synthe-
sizer functions from PC
Battery Operated: Choice of 3V or 5V supplies
Typical Phase Noise Performance of -81dBc/Hz @ 300 Hz
offset
Typical Spurious Performance of better than -81dBc at
30kHz offset from carrier
GENERAL DESCRIPTION
This board is designed to allow the user to evaluate the
performance of the ADF4112 Frequency Synthesizer for
PLL's (Phase Locked Loops). The block diagram of the
board is shown below. It contains the ADF4113 synthe-
sizer, a pc connector, SMA connector for the reference
input, power supplies and RF output. There is also a
loop filter (3kHz bandwidth) and a VCO on board. A
cable is included with the board to connect to a pc
printer port.
The package also contains windows software to allow
easy programming of the synthesizer.
BLOCK DIAGRAM
VDD
VVCO
RFOUT
9V BATTERY
POWER SWITCH
ON
OFF
VCO 1
(Vari-L)
VCO 190-836T
SMA
Socket
ADF4112
TCXO
Vectron
VP
CE
REFIN
EVAL-ADF4112EB1
PC CONNECTOR
AD7706
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However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties which may result from its use.
No license is granted by implication or otherwise under any patent or patent rights of
Analog Devices.
REV.PrA 04/00
© Analog Devices, Inc., 1999
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