Analog Devices AD9510 Скачать руководство пользователя страница 27 | Manualshive

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AD9510/PCB

Rev. 0 | Page 27 of 28

CP FILTER

245.76 VCXO

VCO

CP FILTER

VCXO/VCO BYPASS CAPACITORS

R3

0

Ω

R2

1.3k

Ω

C91

OPT

C92

47n

F

R8

0

Ω

C90

68n

F

C89

1

μ

F

R5

2.61k

Ω

V

S

_500

CP

R35

0

Ω

R37

0

Ω

GND

V

_

O

SC/VCP

CO

MMO

N

FREQ_

C

TRL_

V

NC

GND

V

S

_500

1

2

3

OUT2

VC

C

OUT1

V_

OSC

/VC

P

6

5

4

T

C

O

_2112T

U8

VC

XO_

J

L

EA

D

R88

130

Ω

GND

R10

82

Ω

V_

OSC

/VC

P

R11

82

Ω

V_

OSC

/VC

P

R89

130

Ω

GND

CLK2_1

C131

0.1

μ

F

CLK2_2

C132

0.1

μ

F

GND

GND

GND

GND

GND

GND

GND

1

2

3

4

5

6

7

8

V_

OSC

/VC

P

GND

GND

GND

GND

GND

GND

16

15

14

13

12

11

10

9

VC

O

U9

R9

0

Ω

VCO_

OUT

R66

0

Ω

R65

475

Ω

R6

0

Ω

C121

OPT

C122

51p

F

R38

0

Ω

C123

1

μ

F

C124

470p

F

R67

100

Ω

VC

O_

IN

CP

J24

CP

INP

UT

R31

0

Ω

R29

0

Ω

GND

V

_

O

SC/VCP

C97

0.1

μ

F

V_

OSC

/VC

P

GND

C99

0.1

μ

F

V_

OSC

/VC

P

GND

05632-034

Figure 34. AD9510 Evaluation Board Schematic, Page 3

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Содержание AD9510

Страница 1: ...programmable functions To use the evaluation board properly see the current data sheet for the AD9510 on the Analog Devices website You can download the data sheet from www analog com AD9510 Note that...

Страница 2: ...p the Evaluation Board 4 Power Supplies 4 USB and PC vs Manual Control 4 Clock Inputs 4 Phase Locked Loop PLL 5 Clock Outputs 6 Evaluation Board Software Installation 7 Connecting the USB 7 Using the...

Страница 3: ...higher recommended Disk Space 6 MB or more I O Port USB port HARDWARE NEEDS Before using the AD9510 evaluation board take a moment to verify that you have the following hardware Power Supplies The AD...

Страница 4: ...jumpers in place the board is configured for PC control through the USB connection This is the default configuration for the AD9510 evaluation board Configuring the Evaluation Board for Manual Control...

Страница 5: ...9510 evaluation board for use with an on board VCO the first step is to populate the VCO and VCO charge pump filter on the bottom of the board Just as with the charge pump filter for the VCXO the VCO...

Страница 6: ...rue and the complementary to VDD through a 127 resistor and to GND through an 83 resistor Additionally the trace is not ac coupled so that there is a 0 resistor in series with each trace where the ac...

Страница 7: ...software Note Do not connect the evaluation board to the computer until after the software installation has been completed 1 Log on with administrative privileges 2 Uninstall any previous version of t...

Страница 8: ...re 4 click Finish 05632 004 Figure 4 6 The pop up window in Figure 5 appears next 05632 005 Figure 5 After the pop up window in Figure 5 has disappeared you should notice that the USB Status LED on th...

Страница 9: ...tion board 2 Connect the evaluation board to the computer using a USB cable 3 When the USB cable is connected the window in Figure 6 appears Click Next to continue 05632 006 Figure 6 4 When the window...

Страница 10: ...AD9510 PCB Rev 0 Page 10 of 28 5 Click Finish when the window in Figure 8 appears 05632 008 Figure 8 6 Click Next when the window in Figure 9 appears 05632 009 Figure 9...

Страница 11: ...e Anyway 05632 010 Figure 10 8 Click Finish when the window in Figure 11 appears 05632 011 Figure 11 After the screen in Figure 11 disappears you should notice that the USB Status LED on the evaluatio...

Страница 12: ...is powered up connected to the computer and that the red status LED is flashing Then follow these instructions 1 Click on the Start button and select Programs 2 Select AD9510 Eval Software and then A...

Страница 13: ...val Software From here you may choose the desired setup The AD9510 is shipped with a setup configuration file to configure the AD9510 to run with the default VCXO and PLL configuration This configurat...

Страница 14: ...ck divider a phase frequency detector and charge pump All are represented as list boxes in the PLL section Figure 16 of the main interface window of the software Additionally the PLL section includes...

Страница 15: ...are changed the N counter value automatically updates This value is equal to the N divide value for the PLL A COUNTER B COUNTER BYPASS AND RESET PRESCALER 05632 018 Figure 18 N Divider Window In addi...

Страница 16: ...n any of these settings please refer to the AD9510 data sheet Charge Pump Settings Window The charge pump settings window Figure 20 allows you to select one of four different charge pump modes tri sta...

Страница 17: ...west charge pump current setting and the charge pump current increment The CP Rset value defaults to 5 1 k which is how the AD9510 evaluation board is shipped If you want to change this value the soft...

Страница 18: ...message is not given however all calculations based on the entered value are invalid CLOCK INPUT POWER DOWN CLOCK INPUT TO PLL DRIVER CLOCK INPUT SELECT MUX FREQUENCY INPUT BOXES 05632 023 Figure 23...

Страница 19: ...ontrol settings the output level and power down settings 05632 025 Figure 25 Clock Distribution Section Main Interface Window The output frequency of the eight outputs is calculated from the divider s...

Страница 20: ...cles depending on the duty cycle chosen When programming the part manually remember that the number of high or low clock cycles is the value programmed plus one The phase offset allows you to shift th...

Страница 21: ...imentary output driver POWER DOWN LVDS CMOS LOGIC SELECT CMOS COMPLIMENTARY OUTPUT DRIVER OUTPUT LEVEL SELECTION 05632 027 Figure 27 Output Settings Windows Each of the drivers has four output levels...

Страница 22: ...owerdown_B which are accessible from the drop down menu under Function Pin Control They are activated by toggling the function pin button The function pin command button sets the input to function pin...

Страница 23: ...must be set and then cleared This requires two separate load commands one to set the bit and one to clear the bit While the bit is set all of the outputs are frozen in a high or low state The high or...

Страница 24: ...command is automatically given when load is pressed The load all registers check box lets you select whether to load only the changed registers or to load the entire register map If the load all regis...

Страница 25: ...D 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 VCC_OUT4 OUT4 OUT4B VCC_OUT4_ VCC_OUT5 OUT5 OUT5B VCC_OUT5_ VCC_OUT6 OUT6 OUT6B VCC_OUT6_ VCC_OUT2 OUT2 OUT2B VCC_OUT2_ GND R57 83 DVDD R58 127 J1 OUT...

Страница 26: ...44 2 2k VCC_USB VCC_USB GND W4 8 7 6 5 VCC NC4 SCL SCA 1 2 3 4 NC1 NC2 NC3 VSS U13 24LC00 VCC_USB 4 VCC_USB 3 AVDD 2 GND 1 DVDD DUT POWER SUPPLY VBUS GND R30 800 CR2 USB_STATUS GND R18 300 CR1 U16 1 2...

Страница 27: ...2112T U8 VCXO_JLEAD R88 130 GND R10 82 V_OSC VCP R11 82 V_OSC VCP R89 130 GND CLK2_1 C131 0 1 F CLK2_2 C132 0 1 F GND GND GND GND GND GND GND 1 2 3 4 5 6 7 8 V_OSC VCP GND GND GND GND GND GND 16 15 14...

Страница 28: ...on circuitry permanent damage may occur on devices subjected to high energy electrostatic discharges Therefore proper ESD precautions are recommended to avoid performance degradation or loss of functi...

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