Analog Devices UG-016 User Manual
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Analog Devices UG-016 User Manual

Analog Devices UG-016 User Manual

Evaluating the ad9276 and ad9277 octal lna/vga/aaf/12-/14-bit adcs and cw i/q demodulators
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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 AD9276 and AD9277 Octal LNA/VGA/AAF/12-/14-Bit ADCs

FEATURES

Full featured evaluation board for the
AD9277
SPI and alternate clock options
Internal and external reference options
VisualAnalog and SPI Controller software interfaces

EQUIPMENT NEEDED

Analog signal source and antialiasing filter
2 switching power supplies (6.0 V, 2.5 A) CUI EPS060250UH-
PHP-SZ, provided
Linear bench top dc voltage source (0 V to 1.6 V), not
required for CW Doppler mode
PC running Windows® 98 (2nd edition), Windows 2000,
Windows ME, or Windows XP
USB 2.0 port, recommended (USB 1.1 compatible)
AD9276 and AD9277 evaluation board
HSC-ADC-EVALCZ FPGA-based data capture kit
For CW Doppler mode: spectrum analyzer

DOCUMENTS NEEDED

AD9276 and AD9277 data sheets
Figure 1. AD9276-65EBZ/AD9276-80KITZ/AD9277-50EBZ Evaluation Board and HSC-ADC-EVALCZ Data Capture Board
See the last page for an important warning and disclaimers.
and CW I/Q Demodulators
AD9276
and the

TYPICAL MEASUREMENT SETUP

Rev. 0 | Page 1 of 28
Evaluation Board User Guide
HSC-ADC-EVALCZ data sheet, High Speed Converter
Evaluation Platform (FPGA-based data capture kit)
AN-905
Application Note, VisualAnalog Converter Evaluation
Tool Version 1.0 User Manual
AN-878
Application Note, High Speed ADC SPI Control Software
AN-877
Application Note, Interface to High Speed ADCs via SPI

SOFTWARE NEEDED

VisualAnalog
SPI Controller

GENERAL DESCRIPTION

This document describes the evaluation board for the AD9276
and AD9277, which provides all of the support circuitry required
to operate the AD9276 and AD9277 in their various modes and
configurations. The application software used to interface with
the devices is also described.
The AD9276 and AD9277 data sheets, available at
www.analog.com, provide additional information and should be
consulted when using the evaluation board. All documents and
software tools are available at http://www.analog.com/fifo. For
any questions, send an email to highspeed.converters@analog.com.
UG-016

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  • Page 1: Features

    Evaluation Board User Guide UG-016 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 AD9276 and AD9277 Octal LNA/VGA/AAF/12-/14-Bit ADCs and CW I/Q Demodulators FEATURES HSC-ADC-EVALCZ data sheet, High Speed Converter...

  • Page 2: Table Of Contents

    UG-016 Evaluation Board User Guide TABLE OF CONTENTS Features ....................1 Default Operation and Jumper Selection Settings ....5 Equipment Needed ................1 Evaluation Board Software Quick Start Procedures .....6 Documents Needed ................1 Configuring the Board For TGC MODE ........6 Software Needed ................

  • Page 3: Evaluation Board Hardware

    If a different or external ADC clock source is desired, follow the This evaluation board comes with a wall-mountable switching instructions in the Clock section. Typically, most Analog Devices, power supply that provides a 6 V, 2.5 A maximum output. Connect Inc., evaluation boards can accept ~2.8 V p-p or 13 dBm sine...
  • Page 4 UG-016 Evaluation Board User Guide WALL OUTLET 100V TO 240V AC 47Hz TO 63Hz SWITCHING POWER SUPPLY SWITCHING POWER 6V DC SUPPLY 2A MAX SIGNAL SYNTHESIZER 6V DC 2A MAX 4LO INPUT ANALOG INPUT SIGNAL SYNTHESIZER AGILENT POWER SUPPLY RUNNING ADC...

  • Page 5: Default Operation And Jumper Selection Settings

    Evaluation Board User Guide UG-016 DEFAULT OPERATION AND the oscillator from running, and connect the external clock source to the SMA connector, J503. JUMPER SELECTION SETTINGS A differential LVPECL clock driver can also be used to clock the This section explains the default and optional settings or modes...

  • Page 6: Evaluation Board Software Quick Start Procedures

    Use a 1 meter, shielded, RG-58, 50 Ω coaxial cable to connect the signal generator. For best results, use a narrow-band band-pass filter with 50 Ω terminations and an appropriate center frequency (Analog Devices uses TTE, Allen Avionics, and K&L band-pass filters). Figure 4. VisualAnalog, New Canvas Message Box...
  • Page 7 Evaluation Board User Guide UG-016 Set Up the SPI Controller After the ADC data capture board setup has been completed, set up the SPI Controller: Open the SPI Controller software by going to the Start menu or double-clicking the SPI Controller software desktop icon.
  • Page 8 UG-016 Evaluation Board User Guide In the ADCBase 0 tab of the SPI Controller, find the CHIP GRADE(2) box. Use the drop-down list box to select the correct speed mode, if necessary. See the AD9276 AD9277 data sheet, the AN-878...

  • Page 9: Using The Integrated I/Q Demodulator (Cw Doppler Mode)

    For best results, use a narrow-band band-pass filter with 50 Ω terminations and an appropriate center frequency (Analog Devices uses TTE, Allen Avionics, and K&L band-pass filters). In the ADCBase 0 tab of the SPI Controller, find the MODES(8) box.
  • Page 10 UG-016 Evaluation Board User Guide An example of the CW Doppler output, as shown in Figure 19 and Figure 20, can be seen in the frequency and time domain, respectively. Make sure to set the analog input level appro- priately to achieve full scale throughout the signal chain.

  • Page 11: Evaluation Board Schematics And Artwork

    Evaluation Board User Guide UG-016 EVALUATION BOARD SCHEMATICS AND ARTWORK Figure 21. DUT Analog Input Circuits Rev. 0 | Page 11 of 28...
  • Page 12 UG-016 Evaluation Board User Guide Figure 22. DUT Analog Input Circuits (Continued) Rev. 0 | Page 12 of 28...
  • Page 13 Evaluation Board User Guide UG-016 Figure 23. DUT, VREF, and Decoupling Rev. 0 | Page 13 of 28...
  • Page 14 UG-016 Evaluation Board User Guide Figure 24. I/Q Demodulator, SPI, and Gain Drive Circuitry Rev. 0 | Page 14 of 28...
  • Page 15 Evaluation Board User Guide UG-016 Figure 25. Clock Circuitry Rev. 0 | Page 15 of 28...
  • Page 16 UG-016 Evaluation Board User Guide Figure 26. Power Supply, Digital Output Interface Rev. 0 | Page 16 of 28...
  • Page 17 Evaluation Board User Guide UG-016 Figure 27. Top Side Rev. 0 | Page 17 of 28...
  • Page 18 UG-016 Evaluation Board User Guide Figure 28. Ground Plane (Layer 2) Rev. 0 | Page 18 of 28...
  • Page 19 Evaluation Board User Guide UG-016 Figure 29. Power Plane (Layer 3) Rev. 0 | Page 19 of 28...
  • Page 20 UG-016 Evaluation Board User Guide Figure 30. Power Plane (Layer 4) Rev. 0 | Page 20 of 28...
  • Page 21 Evaluation Board User Guide UG-016 Figure 31. Ground Plane (Layer 5) Rev. 0 | Page 21 of 28...
  • Page 22 UG-016 Evaluation Board User Guide Figure 32. Bottom Side Rev. 0 | Page 22 of 28...

  • Page 23: Ordering Information

    Evaluation Board User Guide UG-016 ORDERING INFORMATION BILL OF MATERIALS Table 1. Reference Designator Description Manufacturer Part Number C101, C102, C106, C110, C111, C115, C120, C121, C125, C130, C131, Capacitor, 0.1 μF, 0402, Panasonic ECJ-0EB1A104K C136, C201, C202, C206, C210, C211, C215, C220, C221, C225, C230,...
  • Page 24 UG-016 Evaluation Board User Guide Reference Designator Description Manufacturer Part Number J101, J102, J103, J104, J201, J202, J203, J204, J401, J402, J403, J303, SMA, end launch, coax Samtec SMA-J-P-H-ST-EM1 J503, J504, J505 J305 Header, 4 pin double row, Samtec TSW-104-07-G-D...
  • Page 25 Evaluation Board User Guide UG-016 Reference Designator Description Manufacturer Part Number R540, R541, R601 Resistor, 249 Ω, 0402, Panasonic ERJ-2RKF2490X 1/16 W, 1% R603 Resistor, 1.91 kΩ, 0402, Panasonic ERJ-2RKF1911X 1/16 W, 1% R614 Resistor, 64.9 kΩ, 0402 Panasonic ERJ-2RKF6492X R616 Resistor, 0.047 Ω, 0805,...
  • Page 26 UG-016 Evaluation Board User Guide Reference Designator Description Manufacturer Part Number C105, C114, C124, C135, C205, C214, C224, C235 Capacitor, 47 pF, 0402, Panasonic ECJ-0EC1H470J X5R, ceramic, 50 V C417, C441 Capacitor, 1 μF, 0805, Panasonic ECJ-2VF1C105Z 16 V, ceramic, Y5V...
  • Page 27 Evaluation Board User Guide UG-016 NOTES Rev. 0 | Page 27 of 28...

  • Page 28: Esd Caution

    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 that may result from its use. Analog Devices reserves the right to change devices or specifications at any time without notice.

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