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Preliminary Evaluation 

Board User Guide 

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OneTechnologyWay

•P.O.Box9106•Norwood,MA02062-9106,U.S.A.•Tel:781.329.4700•Fax:781.461.3113•www.analog.com 

 

AD9915 Evaluation Board for 2.5 GSPS DDS with 12-Bit DAC 

 

 

Rev. A | Page 1 of 14 

FEATURES 

Full-featured evaluation board for the AD9915 
PC evaluation software for control and measurement of 

the AD9915 

USB interface  
Graphic user interface (GUI) software with frequency 

sweep capability and programmable modulus for 
board control and data analysis  

Factory tested and ready to use  

PACKAGE CONTENTS 

AD9915 evaluation board 
AD9915PCBZ installation software CD 
USB cable 

GENERAL DESCRIPTION 

This user guide describes how to set up and use the 
AD9915evaluation board. The AD9915 is a 2.5GSPS DDS with 
a 12-bit DAC.  

The evaluation board provides a graphical user interface (GUI) 
for easy communication with the device along with many user-
friendly features such as the mouse-over effect.  

This user guide is intended for use in conjunction with the 

AD9915

 data sheet. 

 

 

 

 

 

EVALUATION BOARD 

 

Figure 1. 

Содержание AD9915

Страница 1: ...sweep capability and programmable modulus for board control and data analysis Factory tested and ready to use PACKAGE CONTENTS AD9915 evaluation board AD9915PCBZ installation software CD USB cable GEN...

Страница 2: ...s Settings 3 Evaluation Board Layout 4 Evaluation Board Software 5 Software Installation 5 Device Driver Installation 5 Starting the Software 5 Running the Software Under Windows 7 6 ICON Description...

Страница 3: ...nto the ADCLK925 could dramatically limit the AD9915 in close phase noise performance Refer to theADCLK925 data sheet for details on the maximum input speeds and input sensitivities JUMPERS SETTINGS U...

Страница 4: ...t This is the input for the external reference clock signal Refer to AD9915 datasheet for reference input range Power Supply Connections Provides all necessary supply voltages needed by the AD9915 and...

Страница 5: ...ps 3 5 STARTING THE SOFTWARE Before you start the software make sure that the AD9915 evaluation board is powered up and connected to the PC and the LED D200 USB status is on Refer to Power Supply Conn...

Страница 6: ...C The main website is indicated below http www microsoft com windows virtual pc They have specific instructions for the installation depending on the version of Windows 7 that your computer has so ref...

Страница 7: ...SCRIPTION OF CONTROL WINDOW The ICON description window is built to allow ease of access to different actions Another way of accessing these icons is by clicking the Actions tab and select among the a...

Страница 8: ...ection allows you to enable the internal PLL of AD9915 PLL enable is used to activate internal PLL of AD9915 The default setting of this box is disabled check box cleared indicating that the internal...

Страница 9: ...the Enable sine output checkbox Matched Latency Enabled allows you to align the application of the frequency tuning word the phase offset word and the amplitude scale factor at the same time If this b...

Страница 10: ...this ICON must be clicked for all initial setups andevery time the REF CLK frequency is changed 7 Click the profile tab to go to the profile windows 8 Enable profile mode via check box and enter the d...

Страница 11: ...ithin the allowable range Step size indicates the value that would be incremented while step rate determines the time interval period for that increment in s To use the digital ramp generator DRG func...

Страница 12: ...mp The Ramp Finished indicator turns on when the ramp is complete PROGRAMMABLE MODULUS WINDOW Figure 13 Programmable Modulus Window The chip is in programmable modulus mode when the Enable Programmabl...

Страница 13: ...stalled at its last state otherwise the DRG operates normally EXTAMPCTL sets the OSK feature on either manual or automatic mode EXTPDCTL is a flag input that would initiate the programmed power down m...

Страница 14: ...uction composed of the Data the Address the Length Bits and the Type of Instruction Read Write The order of the instructions can be seen from the small window which is on the left side of the REGISTER...

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