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Analog Devices AD9551 manual

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Table of contents for the manual

  • Page 1

    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. Rev. 0 | Page 1 of 12 FEA TURES Simple powe[...]

  • Page 2

    UG-002 Evaluation Board User Guide Rev. 0 | Page 2 of 12 T ABLE OF CONTENTS Fea tures .............................................................................................. 1  General Descr iption ......................................................................... 1  Digital Picture of the E valuation Board .....................[...]

  • Page 3

    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. In stall the AD9551 evaluation software befo re conn ecting the [...]

  • Page 4

    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 . T o install the s oftware, 1. In sert t he AD9551 [...]

  • Page 5

    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 . For p in pr ogramming[...]

  • Page 6

    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 ). These subsec tions, most of which ha ve their o wn windo w , are ou tlined in this section. Fr [...]

  • Page 7

    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. To load a previously saved setup f[...]

  • Page 8

    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. A s etup fi le (. STP) is a tex t f i le t hat c ontai ns t h e A D 9 5 5 1 register se[...]

  • Page 9

    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 . 0 81[...]

  • Page 10

    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 ). 08129-017 Figure 15. Feedbac k Window P0, P1, and P2 (Output Dividers) Boxes S[...]

  • Page 11

    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. 9. Click Calc ula t e Se t t in gs , a nd then click Apply Settin gs . Y ou sho u[...]

  • Page 12

    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. 08129-028 12. The ac signal has a dc offs[...]