AD9858/FDPCB Analog Devices Inc, AD9858/FDPCB Datasheet
AD9858/FDPCB
Specifications of AD9858/FDPCB
Related parts for AD9858/FDPCB
AD9858/FDPCB Summary of contents
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INTRODUCTION The AD9858 GHz direct digital synthesizer (DDS) featuring a 10-bit DAC mixer, and on-chip PLL synthesis blocks. Used in conjunction, the various components of the AD9858 allow the user to construct translation loops (also ...
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AD9858FDPCB TABLE OF CONTENTS Equipment ..................................................................................... 3 Installing from the CD................................................................. 3 Installing from the Web ............................................................... 3 Main Program Window............................................................... 3 Buttons........................................................................................... 4 Menus............................................................................................. 4 Control Window........................................................................... 5 I/O Interface.................................................................................. 6 PLL Fast Lock................................................................................ 7 REVISION HISTORY Revision 0: ...
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EQUIPMENT In order to install and use this software and evaluation board, the user needs the following: 2 Power supplies 1 PC (Windows®95 or higher), with one free parallel printer port 1 Precision signal generator (to act as a stable ...
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AD9858FDPCB BUTTONS The main program window has these buttons: • The Load Setup and Save Setup buttons load a setup file and save the current setup to a setup file. • The Reset button issues a master reset to the ...
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CONTROL WINDOW The control window allows the user to set many of the operating parameters of the device. In the Clock pane, the user can specify the current clock frequency supplied to the device. If the user desires, the clock ...
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AD9858FDPCB I/O INTERFACE This window is where the user specifies whether the evaluation board is to communicate with the AD9858 device in parallel or serial mode. In serial mode, the user can also specify LSB first or last as well ...
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PLL FAST LOCK This window is accessible from the Control window or from the View menu. The PLL Fast Lock window allows the user to enable and disable the PLL Fast Lock algorithm. When engaged, the charge pump operates in ...
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AD9858FDPCB PROFILES WINDOW The AD9858 has four user-defined profiles (segments of memory). Each profile can be programmed with a different frequency tuning word and phase adjustment word. As shown in Figure 13, users can click the Edit button next to ...
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FREQUENCY SWEEP SETUP DIALOG BOXES At the bottom of the Profiles window is the display for the frequency sweeping mode variables—Delta Frequency Tuning Word and Ramp Rate. Clicking the Edit button opens a dialog window that assists the user in ...
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AD9858FDPCB READBACK WINDOW When the READBACK button is clicked, the evaluation software polls and displays the current contents of all internal memory registers. When the CLEAR button is clicked, a master reset is issued and all internal memory registers are ...
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USING THE EVALUATION SOFTWARE WITH THE FRACTIONAL DIVIDER BOARD As mentioned in the Circuit Overview section, the AD9858 cannot operate at speeds greater than 1 GHz. It can accept clocks from 1 GHz to 2 GHz, but ...
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... AD9858FDPCB ORDERING GUIDE Model Package Description AD9858/FDPCB Fractional-Divide Loop Frequency Synthesizer Board © 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D04429-0-1/04(0) Rev Page ...