Analog Devices AD9643 User Manual
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Analog Devices AD9643 User Manual

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One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
Evaluating the

FEATURES

Full featured evaluation board for the
AD9643/AD9613/AD6649/AD6643
SPI interface for setup and control
External or
AD9523
clocking option
Balun/transformer or amplifier input drive options
LDO regulator power supply
VisualAnalog and SPI controller software interfaces

EQUIPMENT NEEDED

Analog signal source and antialiasing filter
Sample clock source (if not using the on-board oscillator)
2 switching power supplies (6 V, 2 A), CUI EPS060250UH-
PHP-SZ, provided
PC running Windows® 98 (2nd ed.), Windows 2000,
Windows ME, or Windows XP
USB 2.0 port recommended (USB 1.1 compatible)
AD9643, AD9613, AD6649, or
HSC-ADC-EVALCZ
FPGA-based data capture kit

SOFTWARE NEEDED

VisualAnalog
SPI controller
Figure 1. AD9643, AD9613, AD6649, or
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
AD9643/AD9613/AD6649/AD6643 User Guide
AD9643/AD9613/AD6649/AD6643
AD6643
evaluation board

TYPICAL MEASUREMENT SETUP

AD6643
Analog-to-Digital Converters

DOCUMENTS NEEDED

AD9643, AD9613, AD6649, or
HSC-ADC-EVALCZ
AN-905 Application
Tool Version 1.0 User Manual
AN-878 Application
AN-877 Application
AN-835 Application
Evaluation

GENERAL DESCRIPTION

This user guide describes the AD9643, AD9613, AD6649, and
AD6643
evaluation board, which provides all of the support
circuitry required to operate the AD9643, AD9613, AD6649,
and
AD6643
in their various modes and configurations. The
application software used to interface with the devices is also
described.
The AD9643, AD9613, AD6649, and
provide additional information and should be consulted when
using the evaluation board. All documents and software tools are
available at www.analog.com/FIFO. For additional information or
questions, send an email to highspeed.converters@analog.com.
Family Evaluation Board and
HSC-ADC-EVALCZ
Rev. A | Page 1 of 26
AD6643
data sheet
data sheet
Note, VisualAnalog Converter Evaluation
Note, High Speed ADC SPI Control Software
Note, Interfacing to High Speed ADCs via SPI
Note, Understanding ADC Testing and
AD6643
data sheets
Data Capture Board
UG-293

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Summary of Contents for Analog Devices AD9643

  • Page 1: Features

    GENERAL DESCRIPTION Analog signal source and antialiasing filter Sample clock source (if not using the on-board oscillator) This user guide describes the AD9643, AD9613, AD6649, and AD6643 evaluation board, which provides all of the support 2 switching power supplies (6 V, 2 A), CUI EPS060250UH-...

  • Page 2: Table Of Contents

    UG-293 AD9643/AD9613/AD6649/AD6643 User Guide TABLE OF CONTENTS     Features ....................1 Output Signals ................4     Equipment Needed ................1 Default Operation and Jumper Selection Settings ....4     Software Needed ................1 Evaluation Board Software Quick Start Procedures .....6  ...

  • Page 3: Evaluation Board Hardware

    LDO regulators, which performance of the AD9643, AD9613, AD6649, or AD6643. It is enables the user to bias each section of the board individually.

  • Page 4: Output Signals

    Analog Devices evaluation boards can accept ~2.8 V p-p or 13 dBm sine wave input for the clock. Clock Circuitry The default clock input circuit that is populated on the AD9643/ OUTPUT SIGNALS AD9613/AD6649/AD6643 evaluation board uses a simple...
  • Page 5 AD9643/AD9613/AD6649/AD6643 User Guide UG-293 Switching Power Supply Install L201 and L202. Remove JP201 and JP203. Optionally, the ADC on the board can be configured to use the Remove jumpers from across Pin 1 and Pin 2 on P107 and ADP2114 dual switching power supply to provide power to the P108, respectively.

  • Page 6: Changes To Configuring The Board Section

    UG-293 AD9643/AD9613/AD6649/AD6643 User Guide EVALUATION BOARD SOFTWARE QUICK START PROCEDURES This section provides quick start procedures for using the AD9643/ AD9613/AD6649/AD6643 evaluation board. Both the default and optional settings are described. CONFIGURING THE BOARD Before using the software for testing, configure the evaluation...
  • Page 7 AD9643/AD9613/AD6649/AD6643 User Guide UG-293 Figure 7. VisualAnalog, Main Window Setting Up the SPI Controller Software After the ADC data capture board setup is complete, set up the SPI controller software using the following procedure: Open the SPI controller software by going to the Start menu or by double-clicking the SPIController software desktop icon.

  • Page 8: Changes To Setting Up The Spi Controller Software Section

    UG-293 AD9643/AD9613/AD6649/AD6643 User Guide Click the New DUT button in the SPIController window Note that other settings can be changed on the ADCBase 0 (see Figure 9). tab (see Figure 11) and the ADC A and ADC B tabs (see Figure 10) to set up the device in the desired mode.
  • Page 9 AD9643/AD9613/AD6649/AD6643 User Guide UG-293 If using the AD6649, the device can be configured into two must be selected under the MISC EXTRA(5A) section. different modes. The default mode utilizes a 95 MHz FIR The second mode uses a 100 MHz FIR filter and a tunable- filter and fixed-frequency NCO.
  • Page 10 UG-293 AD9643/AD9613/AD6649/AD6643 User Guide Figure 13. SPI Controller, AD6649 ADC A Tab—95 MHz FIR Filter and Fixed-Frequency NCO Mode Figure 14. SPI Controller, Example ADC A Tab—NSR Settings for the AD6643 If using the noise shaping requantizer (NSR) feature of...
  • Page 11 .csv formatted file. See –120 Figure 16 for an example. –140 90 100 110 120 FREQUENCY (MHz) Figure 16. Typical FFT, AD9643 Figure 17. Graph Window of VisualAnalog (AD9643) Rev. A | Page 11 of 26...
  • Page 12 UG-293 AD9643/AD9613/AD6649/AD6643 User Guide If operating the AD6649 in the mode using the 95 MHz FIR filter and fixed-frequency NCO, the amplitude displayed is −2.5 dBFS for a −1.0 dBFS input signal (see Figure 18) to the desired settings. If operating the...
  • Page 13 AD9643/AD9613/AD6649/AD6643 User Guide UG-293 Troubleshooting Tips Configure the settings in the FFT analysis to match the If the FFT plot appears abnormal, do the following: settings selected for the NSR in the SPI controller (see Figure 21).  If you see a normal noise floor when you disconnect the signal generator from the analog input, make sure that you are not overdriving the ADC.

  • Page 14: Evaluation Board Schematics And Artwork

    UG-293 AD9643/AD9613/AD6649/AD6643 User Guide EVALUATION BOARD SCHEMATICS AND ARTWORK Figure 23. DUT and Related Circuits Rev. A | Page 14 of 26...
  • Page 15 AD9643/AD9613/AD6649/AD6643 User Guide UG-293 Figure 24. Board Power Input and Supply Rev. A | Page 15 of 26...
  • Page 16 UG-293 AD9643/AD9613/AD6649/AD6643 User Guide Figure 25. Passive Analog Input Circuits Rev. A | Page 16 of 26...
  • Page 17 AD9643/AD9613/AD6649/AD6643 User Guide UG-293 Figure 26. Optional Active Input Circuits Rev. A | Page 17 of 26...
  • Page 18 UG-293 AD9643/AD9613/AD6649/AD6643 User Guide Figure 27. Default and Optional Clock Input Circuits Rev. A | Page 18 of 26...
  • Page 19 AD9643/AD9613/AD6649/AD6643 User Guide UG-293 Figure 28. SPI Configuration Circuit and FIFO Board Connector Circuit Rev. A | Page 19 of 26...
  • Page 20 UG-293 AD9643/AD9613/AD6649/AD6643 User Guide Figure 29. Top Side Figure 30. Ground Plane (Layer 2) Rev. A | Page 20 of 26...
  • Page 21 AD9643/AD9613/AD6649/AD6643 User Guide UG-293 Figure 31. Power Plane (Layer 3) Figure 32. Power Plane (Layer 4) Rev. A | Page 21 of 26...
  • Page 22 UG-293 AD9643/AD9613/AD6649/AD6643 User Guide Figure 33. Ground Plane (Layer 5) Figure 34. Bottom Side Rev. A | Page 22 of 26...

  • Page 23: Ordering Information

    AD9643/AD9613/AD6649/AD6643 User Guide UG-293 ORDERING INFORMATION BILL OF MATERIALS Table 1. AD9643/AD9613/AD6649/AD6643 Bill of Materials Item Reference Designator Description Manufacturer/Part No. Not applicable Printed circuit board, AD9643 9643EE01 engineering board C101, C102, C103, C105, C109, C110, C111, 0.1 µF capacitor ceramic X5R 0201...
  • Page 24 T302, T303, T306, T307, T501, T503 XFMR RF 1:1 M/A-COM ETC1-1-13 U1010 SKT 64-pin LFCSP Analog Devices AD6649BCPZ AD9643BCPZ U201 IC Analog Devices low dropout CMOS Analog Devices linear regulator ADP1708ARDZ-R7 U202, U203 IC 150 mA ultralow noise, CMOS linear Analog Devices regulator ADP150AUJZ-3.3-R7...
  • Page 25 ADL5202 Analog Devices ADL5202 U501 IC Analog Devices AD9523-1 Analog Devices AD9523-1BCPZ U603 IC Analog Devices CMOS, quad SPDT Analog Devices ADG734BRUZ switches Y501 60 MHz to 800 MHZ IC oscillator voltage Epson Toyocom TCO-2111 controlled oscillator Do not install.

  • Page 26: Related Links

    By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you have read and agreed to the Agreement.

This manual is also suitable for:

Ad9613Ad6649Ad6643

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