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Related Manuals for Analog Devices AD9779A
Summary of Contents for Analog Devices AD9779A
- Page 1 Chipsmall Limited consists of a professional team with an average of over 10 year of expertise in the distribution of electronic components. Based in Hongkong, we have already established firm and mutual-benefit business relationships with customers from,Europe,America and south Asia,supplying obsolete and hard-to-find components to meet their specific needs.
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Page 2: Software Installation
The AD9779A/78A/76A Evaluation Boards (model AD977xA-DPG2–EBZ) connect directly to the Analog Devices Digital Pattern Generator 2 (DPG2) to allow for quick evaluation of the AD9779A family of DACs. The DPG2 allows the user to create many types of digital vectors and transmit these at speed to the AD9779A in any of the DAC operating modes. The AD9779A evaluation board is configured over USB with accompanying PC software. - Page 3 Start menu during the installation of the DAC C Software Suite. To begin, click on the DPGDownloader sho ortcut in your Programs menu, typically at Start > Programs > Analog Devices s > DPG > DPGDownloader. The basic parts of the DPGDownloader wind...
- Page 4 Select the I and Q data vectors in the data selection panel. The port configuration will need to be selected 3.3v CMOS the first time you use the AD9779A evaluation board. Afer the configuration has loaded, the AD9779A SPI box should turn from gray to black.
- Page 5 The output from J6 should be a clean n 10MHz tone as shown below: 2010 © Analog Devices, Inc. All rights reserved. Tradema arks and registered trademarks are the property of their respective e owners. 00000-0-1/0...
- Page 6 8 b). The output from the ADL5375 Modulator can be observed SMA J6, RF out. Figure 8 – a) DAC Output Configuration b) Modulator Output Configuration 2010 © Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D00000-0-1/0...
- Page 7 Main DAC Control This section controls the two main DACs in the AD9779A. The Full-Scale Current of each DAC can be set with the I DAC Gain and Q DAC Gain controls. The 512 default is for 20ma outputs. The I Sleep and Q Sleep controls put their respective DAC into a low-power sleep state.
- Page 8 491.52MHz). There is also an auxiliary output which comes out on SMA J10 and J14. In this example the channel divider 4 is set to 2 which divides the freq by 2 to 245.76MHz and is LVDS type outputs. 2010 © Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D00000-0-1/0...
- Page 9 AD9779A/78A/76A-DPG2-EBZ Figure 10 – a) DAC CLK Input configuration b) AD9516 driving DAC CLK Pins Figure 11 AD9516 SPI Control 2010 © Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D00000-0-1/0...
- Page 10 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. Trademarks and registered trademarks are the property of their respective owners. D00000-0-1/0...
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