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1750MHz Evaluation Board For PLL Frequency Synthesizer
EVAL-ADF4113EB2
GENERAL DESCRIPTION
FEATURES Self-Contained Board including Synthesizer, VCO, Loop Filter for generating frequencies of 1700MHz to 1800MHz Designed for 20kHz Loop Bandwidth Accompanying Software allows complete control of synthesizer functions from PC Battery Operated: Choice of 3V or 5V supplies Typical Phase Noise Performance of -86dBc/Hz @ 1kHz offset
This board is designed to allow the user to evaluate the performance of the ADF4113 Frequency Synthesizer for PLL's (Phase Locked Loops). The block diagram of the board is shown below. It contains the ADF4113 synthesizer, a pc connector, SMA connector for the reference input, power supplies and RF output. There is also a loop filter (20kHz 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
9V B ATTER Y 9V B ATTER Y V
DD PO W ER SW ITCH
V
ON VC O
OFF
V
P
VC O 1 (Vari-L) VC O 190-1750 T SM A Soc ket A DF4 113
CE
R EF TC XO TC XO Ve ctron
IN
EV AL-A DF4 113 EB 2
A D7 706 A D7 706
PC C ON NEC TOR PC C ON NEC TOR
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Information furnished by Analog Devices is believed to be accurate and reliable. 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.
(c) Analog Devices, Inc., 1999 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781-329-4700 Fax: 781-326-8703
EVAL-ADF4113EB2
Hardware Description
The evaluation board comes with a cable for connecting to the printer port of a PC. The silk screen and cable diagram for the evaluation board are shown below. The board schematic is shown on pages 3 and 4.
EVAL-ADF411X EVAL-ADF421X
6 7 8 9
1 2 3 4 5
Black - CLK Brown - DATA Red - LE Orange - CE White - GND Yellow
1 2 3 4 5 6 7 8 9
Blue
14 15 16 17 18 19 20 21 22 23 24
PC
9 Way Female D-Type To ADF411X ADF421X Evaluation Board
10 11 12
Purple
25 13
25 Way Male D-Type To PC Printer Port
Figure 2. PC Cable Diagram
Loop component values shown in the circuit diagram are for 1750MHz RF output, 5mA CP current, VCO1901750T, 200kHz channel spacing and 20kHz loop bandwidth.
Figure 1. Evaluation Board Silkscreen
The board is powered from a single 9V battery. The power supply ciruitry allows the user to choose either 3V or 5V for the ADF4113 VDD and VP, and for the VCO supply. The default settings are 3V for the ADF4113 VDD and 5V for the ADF4113 VP and for the VCO supply. It is very important to note that the ADF4113 VDD should never exceed the ADF4113 VP. This can damage the device. All components necessary for LO generation are onboard. The 10 MHz TCXO from Vectron provides the necessary Reference Input. The PLL is made up of the ADF4113, passive loop filter (20kHz bandwidth) and the VCO 190-1750 from Vari-L. The output is available at RFOUT through a standard SMA connector. If the user wishes they may use their own power supplies and reference input. In this case, they need to insert SMA connectors to as shown on the silkscreen and block diagram. The AD7706 A/D converter is used to monitor the power supply voltage and current consumption of the ADF4113. This helps the user pick the optimum synthesizer settings for power consumption and also provides an alert if the battery voltage is too low to sustain the required 3V or 5V for the board supply. -2- REV.PrA 01/00
EVAL-ADF4113EB2
Figure 3. Evaluation Board Circuit Diagram (Page 1)
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Figure 4. Evaluation Board Circuit Diagram (Page 2)
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EVAL-ADF4113EB2
Software Description
The software comes on a CD marked "ADF4xxx evaluation software". If the user double clicks on "setup.exe" on the CD, then the install wizard installs the software. Follow the on-screen directions. The software will be installed in a default directory called "C:\ProgramFiles\Analog Devices\ADF4XXX_rev0". The installation will create a shortcut under Analog Devices by default. The program can be run by clicking on ADF4XXX_rev0. On running the software a panel appears which asks the user to choose the device to progam. Select the ADF4113. The front panel will appear with some arbitrary values.
The evaluation board can be setup exactly by clicking "Eval Board" near the top right corner of the panel. From the following menu select ADF4113EB2. This will program the device to the recommended settings for the setup (i.e. charge pump current, prescaler, polarity etc.) The user can adjust any of the settings by clicking with the left mouse button on that feature and adjusting it accordingly. The drop-down menus contain options to examine the various test-modes or to set the configuration options. There is also a facility to monitor the Supply and Charge Pump Voltage as well as the Device Current. To get the most up to date reading just click on the "UpdateVoltage and Current Display Button".
Figure 5. Software Front Panel
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Table 1. Bill of Materials for the EVAL-ADF4113EB2
Reference Designator U1 U2 U3 U4 U5 VCO1 Y1 Y2 D1 D2 D3 D4 C1 C41 C2 C3 C26 C27 C28 C4 C31 C5 C7 C11 C6 C8 C9 C12 C3 C13 C14 C21 C22 C23 C24 C25 C33 C36 C40 C34 C37 C35 C38 C39 C42 R1 R2 R5 R6 R7 R8 R9 R10 R3 R4 R11 R25 R18 R19 R20 R21 R22 R23 R24 R27 R28 R29 R30 R31 R32 R33 R40 R41 R36 R37 R38 R39 R12 R42 SW1 SW2 T1-15 T19-21 J1 J2 J3 J4 J5 J6 J7 LK1 LK4 LK5 LK2-B LK3 LK1 LK3-5 P1 P1 Each Corner EVAL-ADF411XEB1 Parts Free issued by ADI. Leave position blank - Do not insert. Description ADF4113BRU AD7706BR AD780AR ADP3300ART-5 ADP3300ART-3 VCO190-1750 4.9152MHz Crystal 10 MHz TCXO SD103C Schottky Diode IN4001 Red Low Power LED Green Low Power LED (Do Not Insert) 0.1uF Multi Layer Ceramic Capacitor 10uF 6.3V Tantalum Capacitor 100pF Multi Layer Ceramic Capacitor 22uF 6.3V Tantalum Capacitor 0.1uF Multi Layer Ceramic Capacitor 10pF Multi Layer Ceramic Capacitor 1nF Multi Layer Ceramic Capacitor 33pF Multi Layer Ceramic Capacitor 1nF Multi Layer Ceramic Capacitor 10nF Multi Layer Ceramic Capacitor 82pF Multi Layer Ceramic Capacitor 10nF Multi Layer Ceramic Capacitor 1uF 16V Tantalum Capacitor 4.7uF 10V Tantalum Capacitor 10uF 6.3V Tantalum Capacitor 20r 5% Resistor (Surface Mount) 330r 1% Resistor (Surface Mount) 3k3 1% Resistor (Surface Mount) 4k7 1% Resistor (Surface Mount) Do Not Insert 1M 1% Resistor (Surface Mount) 3k9 1% Resistor (Surface Mount) 20k 1% Resistor (Surface Mount) 18r 1% Resistor (Surface Mount) 51r 1% Resistor (Surface Mount) 10k 1% Resistor (Surface Mount) 100k 0.1% Resistor (Surface Mount) 330K 1% Resistor (Surface Mount) 0r 1% Resistor (Surface Mount) 0r 1% Resistor - Do Not Insert 4k7 1% Resistor (Surface Mount) Push Button Switch SPDT Switch - (Washable) Red Testpoint 9 PIN D-TYPE MALE (HORIZ) Do Not Insert GOLD 50 SMA SOCKET 3 pin header Wire Lin 2 pin header Shorting Shunt Pair PCB snap-on battery connector 9V PP3 Batter Rubber Stick-On Feet PCB Manufacturer ADI ADI ADI ADI ADI Vari-L (Acal Elect. = Disti)
Vectron International Vectron International
PCB DECAL TSSOP-16 SO16WB SO8NB SOT23-6 SOT23-6 HC49 low profile DO35 D035 LED LED Case 0603 CAP\TAJ_B Case 0603 CAP\TAJ_A Case 0805 Case 0603 Case 0603 Case 0603 Case 0805 Case 0805 Case 0805 Case 0603 CAP\TAJ_A CAP\TAJ_A CAP\TAJ_A Case 0805 Case 0603 Case 0603 Case 0603 Case 0805 Case 0603 Case 0805 Case 0805 Case 0603 Case 0603 Case 0603 Case 0603 Case 0603 Case 0603 Case 0603 Case 0805 SW\PB-SMALL SW_SIP-3P TESTPOINT DCON9M SMA SMA SIP-3P SIP-2P
VALUE ADF4113BRU AD7706BR AD780AR ADP3300ART-5 ADP3300ART-3 VCO190-1750 VXA1-1011 T-118 SD103C FEC 365-117 FEC 657-130 FEC 657-141 FEC 499-675 FEC 197-014 FEC 499-122 FEC 197-038 FEC 317-627 FEC 499-110 FEC 317-202 FEC 498-555
General Semiconductor Visha Visha Murata AVX Murata AVX Murata Murata Murata Murata Murata Murata Murata Murata AVX AVX AVX Multicomp Multicomp Multicomp Multicomp Multicomp
FEC 499-146 FEC 498-701 FEC 498-658 FEC 197-014 FEC 771-132 FEC 911-143 FEC 911-290 FEC 911-318 FEC 911-598
Multicomp Multicomp Multicomp Meggitt Multicomp Multicomp Multicomp Multicomp Omron Apem W Hughes McMurdo Pasterna Harwin Harwin Harwin Keystone Duracell 3M ADI
FEC 911-021 FEC 911-355 FEC 911-471 FEC 911-537 FEC 772-227 FEC 772-227 FEC 911-938 FEC 176-986 FEC 150-559 FEC-240-345 FEC 150-750 PE4118 FEC 512-047 FEC 512-035 FEC 150-410 FEC 723-988 FEC 908-526 FEC 148-922
BATT_PP3
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