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AD9783/81/80

Evaluation Board

Quick Start Guide

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

Getting Started with the AD9783/81/80 Evaluation Board

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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. Specifications subject to change without notice. No

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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700 www.analog.com

WHAT’S IN THE BOX

AD9783-DPG2-EBZ Evaluation Board

Mini-USB Cable

AD9783 Evaluation Board CD

EXAMPLE EQUIPMENT LIST

+5Vdc Power Supply: Agilent E3630A

Digital Pattern Generator (DPG2): ADI HSC-DAC-DPG-BZ

DAC Clock Source: R&S SML 02

AQM LO Clock Source: R&S SMA100A

Spectrum Analyzer: Agilent PSAA, PXA or R&S FSU

PC: Windows PC with 2 or more USB ports (See Appendix for

system requirements)

INTRODUCTION

The AD9783,1,80 Evaluation Boards (model AD978x-DPG2–EBZ) connect directly to the Analog Devices Digital Pattern

Generator 2 (DPG2) to allow for quick evaluation of the AD9783 family of DACs. The DPG2 allows the user to create many types

of digital vectors and transmit these at speed to the AD9783 in any of the DAC operating modes. The AD9783 evaluation board is

configured over USB with accompanying PC software. The evaluation board includes the ADL5375 quadrature modulator and the

ADCLK905 clock buffer so the board can be configured as a transmit chain in addition to evaluating the DAC as a standalone part.

SOFTWARE INSTALLATION

The AD9783 application software should be installed on the PC prior connecting the hardware to the PC. The DAC Software Suite

is included on the Evaluation Board CD, or can be downloaded from the DPG web site at http://www.analog.com/dpg. This will

install DPGDownloader (for loading vectors into the DPG2) and the AD9783 SPI Controller application.

Summary of content (6 pages)

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AD9783/81/80 Evaluation Board Quick Start Guide One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.
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Quick Start Guide AD9783/81/80-DPG2-EBZ HARDWARE SETUP (DAC OUTPUT) Once the DPGDownloader software is installed, the hardware can be connected as shown in Figure 1. A single 5V power supply powers the evaluation board. The power supply should be able to source up to 600mA to cover all of the board’s operating conditions. A low jitter clock source (< 0.5psec RMS) should be used for the DAC sampling clock CLKP/N. A sinusoidal clock output level of 0 to 4dBm is optimal.
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Quick Start Guide AD9783/81/80-DPG2-EBZ Figure 5 – DPGDownloader Window - If the AD9783 evaluation board has been recognized by the PC, AD9783 should be populated in the Evaluation Board field in the Hardware Config panel. - Generate a sine wave by pulling down the “Add Generated Waveform” menu and choosing “Single Tone”. Fill in the form as shown in (Sample Rate = 300MHz, Desired Frequency = 50 MHz, etc.). Check the “Generate Complex Data (I&Q)” box.
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Quick Start Guide AD9783/81/80-DPG2-EBZ - When the vector has finished downloading, hit the play board. button. This starts the DPG2 transmitting data to the eval - The output from J5 (IOUT1P)or J9 (IOUT2P) should be a 500MHz tone as shown below: - As the DAC sample rate is increased above 350MSPS , the setup, hold and input timing delays will need to be used to get the proper timing on the data inputs.
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Quick Start Guide AD9783/81/80-DPG2-EBZ Selecting the Modulator Outputs By default, solder jumpers JP4, JP5, JP6, and JP7 configure the evaluation board for the DAC outputs to be observed at SMA J5 for IOUT1P and J9 for IOUT2P. This jumper setting is shown in 8 a). To connect to the filter that feed ADL5375 the solder jumpers need to be repositioned as shown in 8 b). The output from the ADL5375 Modulator can be observed SMA J6, RF out.
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Quick Start Guide AD9783/81/80-DPG2-EBZ the Aux DACs are programmed power down. Figure 9 AD9783 Evaluation Board Appendix A – DPGDownloader Notes Detailed documentation for the DPGDownloader Software and the Full DPG Suite can be accessed thru the Help Pull-down menu. Also available from the Help pull-down menu is a shortcut for checking to see if there is a more recent DPGDownloader version available with an option to automatically update the software. ©2010 Analog Devices, Inc. All rights reserved.