Instruction/ maintenance manual of the product AD9551 Analog Devices
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Evaluation Board User Guide UG-002 One T echnology Wa y • P. O . Bo x 9106 • Nor wood, MA 02062- 9106, U.S . A. • Te l : 781.329. 4700 • Fax : 781. 461.3113 • www . a na l og .c o m Ev aluating the AD9551 Multiservi ce Clock Gener ator See the last page for an impo rtant warning and disclaimers.
UG-002 Evaluation Board User Guide Rev. 0 | Page 2 of 12 T ABLE OF CONTENTS Fea tures .............................................................................................. 1 General Descr iption ...........................................
Evaluation Board User Guide UG-002 Rev. 0 | Page 3 of 12 EV ALUA TION BOARD HARDW ARE The following instruc tions are for setting u p the physical connection s to the AD9551 evaluation board . SETTING UP THE POWER AND PC C ONNECTIONS Set up the power and PC conn ections as follows: 1.
UG-002 Evaluation Board User Guide Rev. 0 | Page 4 of 12 EV ALUA TION BOARD SOFTW ARE The instruc tions included in this se ction are for setting u p the AD9551 evaluatio n board softwar e. INSTALLING THE SOFTWARE Do no t connect the evalua tio n board until the softwa re installation is complete .
Evaluation Board User Guide UG-002 Rev. 0 | Page 5 of 12 GUIDE TO PROGRAMMING THE AD9551 The AD9551 can be programmed via an S PI port or by settin g the logi c leve ls o n the fre que nc y s e le c t pi ns of the d evice. T o p r og r a m the device using the serial port, the evaluation board soft war e m us t be in stalled .
UG-002 Evaluation Board User Guide Rev. 0 | Page 6 of 12 SOFTW ARE OPERA TION The main window o f the AD9551 evaluation board softwar e is com pri sed o f sub section s tha t co rr espo nd t o the ma jor functio nal blocks of the AD9551 (see Figu re 4 ).
Evaluation Board User Guide UG-002 Rev. 0 | Page 7 of 12 MENU BAR OF MAIN WINDOW File Menu The File menu allows you to load a previously saved AD9551 setup file or to save a new AD9551 setup file. A setup file (.S TP) is a text file that contains the AD9551 register setup file, plus any evaluation board se ttings.
UG-002 Evaluation Board User Guide Rev. 0 | Page 8 of 12 BUTTON BAR OF MAIN WINDOW The button s desc ribed i n this se ct ion pro vide easy access to common fea tures. Load and Save Clicki ng Loa d and Save allows you to lo ad and s ave an AD95 51 se tup f i le.
Evaluation Board User Guide UG-002 Rev. 0 | Page 9 of 12 DLL Window Clicki ng Cl ick f o r De ta ils in the DLL box of t he m ain w ind ow accesses the DL L window (see Fi gu re 11 ). This window can be used to m an uall y ov errid e the a u to ma tic time ali gnme nt between the REF A and REF B clock input signals to the PLL1 phase detector .
UG-002 Evaluation Board User Guide Rev. 0 | Page 10 of 12 Feedback Window Clicki ng Cl ick f o r De ta ils in the Feed bac k D ivide r bo x o f the main window accesses the Fee db ac k window , which allows you to change the feedback divider settings (see Fi gu re 1 5 ).
Evaluation Board User Guide UG-002 Rev. 0 | Page 11 of 12 7. The Calcul a to r window , shown in Fi gure 21 , appears. 08129-022 Figure 21. Calcul ator Window 8. T ype 122.88 into the Ref A Base Fr equenc y : b ox and 122.88 int o the Outp ut 1 Base Fr equen cy : box.
UG-002 Evaluation Board User Guide Rev. 0 | Page 12 of 12 08129-026 08129-027 Figure 25. Register Debug Window Figure 26. Input PLL + DC XO Window 11. Bit 3 o f Register 0x17 mus t be set to 1 to enable the PLL locked pin as a test port. By defaul t, the 26 MHz cr ystal frequency is presen t at the out put.
An important point after buying a device Analog Devices AD9551 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Analog Devices AD9551 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Analog Devices AD9551 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Analog Devices AD9551 you will learn all the available features of the product, as well as information on its operation. The information that you get Analog Devices AD9551 will certainly help you make a decision on the purchase.
If you already are a holder of Analog Devices AD9551, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Analog Devices AD9551.
However, one of the most important roles played by the user manual is to help in solving problems with Analog Devices AD9551. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Analog Devices AD9551 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
