Analog Devices AD9161 Manuale utente

AD9161/AD9162/AD9163/AD9164 User Guide

UG-1526

One Technology Way •P. O. Box 9106•Norwood, MA 02062-9106, U.S.A. •Tel: 781.329.4700 •Fax: 781.461.3113 •www.analog.com

Evaluating the AD9161, AD9162, AD9163, and AD9164 High Speed, RF DACs

PLEASE SEE THE LAST PAGE FOR AN IMPORTANT

WARNING AND LEGAL TERMS AND CONDITIONS.Rev. 0 | Page 1 of 22

FEATURES

Full featured evaluation board for the AD9161, AD9162,

AD9163, and AD9164

ACE software for control

Direct clocking vs. on-board clocking

Showing RF modes of the DAC, including mixed mode and 2×

NRZ

NCO only mode

JESD204B interface mode

EVALUATION KIT CONTENTS

AD9162-FMC-EBZ, AD9164-FMC-EBZ, AD9162-FMCB-EBZ,

AD9164-FMCB-EBZ, AD9161-FMCC-EBZ, AD9162-FMCC-

EBZ, AD9163-FMCC-EBZ, or AD9164-FMCC-EBZ

Mini USB cable

Evaluation board DVD

RECOMMENDED EQUIPMENT LIST

12 V dc power supply

Dual sinusoidal clock source (5 GHz, <0.5 ps rms jitter)

Spectrum analyzer

ADS7-V2EBZ pattern generator and data capture board

GENERAL DESCRIPTION

This user guide is for the AD9161, AD9162, AD9163, and AD9164

evaluation board. The evaluation board connects to an ADS7-

V2EBZ pattern generator for quick evaluation of the AD9161,

AD9162, AD9163, and AD9164, high speed, RF digital-to-analog

converters (RF DACs). The ADS7-V2EBZ automatically formats

the data and sends it to the evaluation board, which simplifies

evaluation of the device. The evaluation board runs from the

FPGA mezzanine card (FMC) power supply.

Figure 1 shows the top side of the evaluation board. The evaluation

board includes a clock buffer, the AD9508, which provides the

reference clock and SYSREF± pins to the ADS7-V2EBZ, and the

SYSREF± pins signal to the DAC.

The evaluation board can be driven by an external clock or the

on-board clock (ADF4355), as shown in Figure 2. There is a

single-pole, double throw (SPDT) switch on the board for

selecting the clock source.

AD9161, AD9162, AD9163, AND AD9164 EVALUATION BOARD PHOTOGRAPH

20160-001

Figure 1.

UG-1526 AD9161/AD9162/AD9163/AD9164 User Guide

Rev. 0 | Page 2 of 22

TABLE OF CONTENTS

Features .............................................................................................. 1

Evaluation Kit Contents................................................................... 1

Recommended Equipment List ...................................................... 1

General Description......................................................................... 1

AD9161, AD9162, AD9163, and AD9164 Evaluation Board

Photograph ........................................................................................ 1

Revision History ............................................................................... 2

Evaluation Board Software.............................................................. 3

Hardware Setup................................................................................. 4

Configuration 1 ............................................................................ 4

Configuration 2 ............................................................................ 4

Configuration 3: DC Test/NCO Mode Without ADS7-

V2EBZ (Only Available for AD9162 and AD9164)................. 4

Getting Started .................................................................................. 5

Initial Setup ................................................................................... 5

DC Test/NCO Mode (Only Available for AD9162 and

AD9164) .............................................................................................6

Configure the Spectrum Analyzer ..............................................6

Configure the Evaluation Board .................................................6

Using the ADS7-V2EBZ to Play a Pattern to the Evaluation

Board...................................................................................................9

Configure Spectrum Analyzer.....................................................9

Load and Play Pattern to the ADS7-V2EBZ..............................9

Configure the Evaluation Board .............................................. 11

Using External Files ................................................................... 14

Evaluation Boards Differences ................................................. 15

Clock Network Performance Optimization............................ 16

ACE User Guide ......................................................................... 16

JESD204B Lane Mapping of the Evaluation Board ............... 18

Troubleshooting.......................................................................... 19

REVISION HISTORY

11/2019—Revision 0: Initial Version

AD9161/AD9162/AD9163/AD9164 User Guide UG-1526

Rev. 0 | Page 3 of 22

EVALUATION BOARD SOFTWARE

The evaluation board software provides an easy to use graphical

user interface called analysis, control, evaluation (ACE). ACE is

included on the evaluation board DVD and is available at

www.analog.com/EVAL-AD916X.

From the DVD, install the AD9161 series ACE serial peripheral

interface (SPI) programmer application. Also, from the DVD

(or from wiki.analog.com as a part of the DAC software suite),

install the DPGDownloader™. Use this program for loading

vectors into the ADS7-V2EBZ.

The ACE SPI programmer application enables full access to the

and has additional functionality, such as the ability to record,

load, and save macros, or register sequences, to ease

programming of the device.

The ADF4355 and AD9508 are also configured by ACE. Several

macros or register sequences are included in this user guide to

demonstrate the usefulness of the function and to set up the

device. ACE also controls the SPDT switch for selecting the

clock source.

OPTIONAL12V

SUPPLY

OPTIONAL

EXTERNAL

REFERENCE

OPTIONAL

DAC

CLOCK

CRYSTAL

OSCILLATOR

J61

TP41AND

TP64

XP2USB

USB

FPGA REF

SYSREF±

J31

J32

SYSREF±

AD9508

÷4

ADF4355

HMC849A

HIGH SPEED

DAC

JESD204B

SPECTRUM

ANALYZER

ADS7-V2EBZ

20160-002

Figure 2. Block Diagram of the Evaluation Board Lab Bench Setup

FMC CONNECTOR

Y61: CRYSTAL

BOARD VERSION

J1: CRYSTAL

POWER JUMPER

TP41: 12V POWER

TP64: GND

XP2: USB

J32: DAC OUTPUT

J31: EXTERNALCLOCK

J61: ADF4355

REF CLOCK

J62: ADF4355 OUTPUT

20160-003

Figure 3. Evaluation Board: Top Side

UG-1526 AD9161/AD9162/AD9163/AD9164 User Guide

Rev. 0 | Page 4 of 22

HARDWARE SETUP

CONFIGURATION 1

Use the external signal generator as the clock source as follows:

1. Remove the jumper on JP1.

2. Connect a low phase noise, high frequency clock source to

the J31 subminiature Version A (SMA) connector.

3. Set the output level to 0 dBm.

4. Connect a second low phase noise, high frequency clock

source (10 MHz to 250 MHz) with a 0 dBm output level

that is the reference clock of the ADF4355 to the J61 SMA

connector.

5. Synchronize the two clock sources. A unit (such as the

Rohde & Schwarz SMA100) has a convenient option for a

secondary signal source. Using this option ensures that the

two clocks are synchronized. The 10 MHz reference output

of the signal generator can also be used as the reference input.

6. Connect the spectrum analyzer to the J32 SMA connector.

7. Connect the evaluation board to the FMC connector of the

ADS7-V2EBZ.

20160-004

Figure 4. View of the Top of the ADS7-V2EBZ Pattern Generator Board

CONFIGURATION 2

Use the on-board ADF4355 as the clock source as follows:

1. Put the jumper on JP1 (on the evaluation board).

2. Connect the spectrum analyzer to the J32 SMA connector.

3. Connect the evaluation board to the FMC connector of the

ADS7-V2EBZ.

4. Connect the ac adapter to the ADS7-V2EBZ.

5. Press the power switch on the ADS7-V2EBZ to power on

both boards.

CONFIGURATION 3: DC TEST/NCO MODE

WITHOUT ADS7-V2EBZ (ONLY AVAILABLE FOR

AD9162 AND AD9164)

The AD9162 andAD9164 can work in dc test/NCO mode

without the ADS7-V2EBZ. However, the devices need to run

from an external power supply.

In this case, do not connect the evaluation board to the ADS7-

V2EBZ. Instead, complete the following steps:

1. Connect a 12 V dc supply to TP41 (red) and GND to TP64

(black) on the evaluation board. The external power

supply must have capacity for 1 A of current.

2. Put the jumper on JP1 if using the on-board ADF4355 as

the clock source. If using an external clock source, connect

a low phase noise, high frequency clock source to J31.

3. Connect the spectrum analyzer to the J32 SMA connector.

AD9161/AD9162/AD9163/AD9164 User Guide UG-1526

Rev. 0 | Page 5 of 22

GETTING STARTED

The software is included in the evaluation board DVD. The

installation includes an updated version of the DPGDownloader

software and the necessary files for all variants of the AD9161,

AD9162, AD9163, and AD9164 evaluation boards, including

the schematic, board layout, data sheet, and SPI programmer.

Download the DPGDownloader software online from the DAC

Software Suite.

Also install the ACEsoftware to configure the device. ACEis

the software that is used to load the registers in the AD9161,

AD9162, AD9163, and AD9164. The ACEsoftware enables full

access to the AD9161, AD9162, AD9163, and AD9164 register

map, and has several views and features that simplify its use.

Many of the ACE software features are detailed in the ACE User

Guide section.

Download this software online from the ACE software page.

The ACE software package includes the required plugins for the

AD9161, AD9162, AD9163, and AD9164 evaluation board.

INITIAL SETUP

Complete the following initial steps to get started with the

evaluation of the device:

1. Install the DPGDownloader software on the PC. Analog

Devices, Inc. recommends verifying the basic setup before

making any modifications to the evaluation board.

2. Connect the PC to the evaluation board using the XP2

mini USB connector after installing the necessary software

packages.

3. Connect the PC to the ADS7-V2EBZ using the USB

connector.

Several different configurations and scenarios are explained in

this user guide with step by step instructions. Choose the

configuration that meets the requirements. A summary of the

ACE user guide is provided in the ACE User Guide section.

UG-1526 AD9161/AD9162/AD9163/AD9164 User Guide

Rev. 0 | Page 6 of 22

DC TEST/NCO MODE (ONLY AVAILABLE FOR AD9162 AND AD9164)

CONFIGURE THE SPECTRUM ANALYZER

Configure the spectrum analyzer as follows:

Start frequency = 50 MHz.

Stop frequency = 5 GHz.

Resolution bandwidth = 300 kHz. Use average/rms

detector setting.

Choose input attenuation as 6 dB. This value can be

adjusted later if indications are that the analyzer is causing

degradations (warnings on the analyzer itself, or third-

order products appearing on the output spectrum).

CONFIGURE THE EVALUATION BOARD

Complete the following steps to configure the evaluation board

to output a single tone at 1 GHz:

1. Ensure that the evaluation board is configured and

powered up using an external power supply according to

the Hardware Setup section.

2. Open the ACE software from Start > Programs > Analog

Devices > ACE. A window appears, as shown in Figure 5.

3. Open the evaluation board view by double clicking on the

AD9162-FMC-EBZ evaluation board icon as shown in

Figure 5.

4. For DAC Clock Source, click ADF4355-ADCLK914 as

shown in Figure 6.

5. Using the AD916x Startup Wizard on the left side of the

window, complete the following steps:

a. For Operation Mode, select DC Test Mode.

b. Set FDAC to 2.4576 GHz.

c. Select the NCO Enable box.

d. Set Frequency Shift to 1 GHz.

e. Set DC Back-Off(dB) to −0.1 dB.

f. Click the Apply button.

A 1 GHz single tone appears on the spectrum

analyzer, as shown in Figure 7.

6. Change the NCO frequency and repeat Step 3 to select a

different output frequency.

7. To avoid the start-up sequence each time, double click the

AD9162-FMC-EBZ evaluation board icon to display the

device view as shown in Figure 8. The device view is an

interactive view of the AD9161, AD9162, AD9163, or

AD9164 device that allows the user to configure more

features of the device, including the NCO and the FIR85

enable, the DAC decode mode, and the clock input tuning

parameters.

8. After entering a number or selecting an option or clicking

on a block to enable or disable it, click the Apply Changes

button in the top left corner of the window to apply the

changes to the registers of the device.

20160-005

Figure 5. ACE Software Window

AD9161/AD9162/AD9163/AD9164 User Guide UG-1526

Rev. 0 | Page 7 of 22

20160-006

Figure 6. AD9161, AD9162, AD9163, and AD9164 Evaluation Board View and Clock Source Selection in ACE

20160-007

Figure 7. Spectrum Analyzer Plot of DAC Output in NCO Mode (Showing a Single Tone at 1 GHz)

UG-1526 AD9161/AD9162/AD9163/AD9164 User Guide

Rev. 0 | Page 8 of 22

20160-008

Figure 8. AD9161, AD9162, AD9163, or AD9164 Device View in ACE

AD9161/AD9162/AD9163/AD9164 User Guide UG-1526

Rev. 0 | Page 9 of 22

USING THE ADS7-V2EBZ TO PLAY A PATTERN TO THE EVALUATION BOARD

CONFIGURE SPECTRUM ANALYZER

Configure the spectrum analyzer as follows:

•Start frequency = 50 MHz.

•Stop frequency = 5 GHz.

•Resolution bandwidth = 300 kHz.

•Use average/rms detector setting.

•Choose input attenuation as 6 dB. This value can be

adjusted later if indications are that the analyzer is causing

degradations (warnings on the analyzer itself, or third-

order products appearing on the output spectrum).

LOAD AND PLAY PATTERN TO THE ADS7-V2EBZ

Complete the following steps to configure the ADS7-V2EBZ

board and load a single tone at 800 MHz to the on-board

FPGA:

1. Configure the hardware according to the instructions

provided in the Hardware Setup section.

2. To load and play the pattern to the ADS7-V2EBZ, open the

DPGDownloader from Start > Programs> Analog

Devices > DPG > DPGDownloader.

3. Ensure that the program detects the AD9161, AD9162,

AD9163, or AD9164 and reflects the name in the

Evaluation Board dropdown list. For this evaluation

board, JESD204B.C is the only valid port configuration

and it is selected automatically.

The Line Rate field may not immediately show a clock

frequency.

4. In the lower portion of the screen, choose Subclass 0from

the Subclass dropdown menu.

The SYNC Status may show a green check mark or a red

cross. See Figure 9.

20160-009

Figure 9. DPGDownloader Configuration for the AD9161, AD9162, AD9163, and AD9164

UG-1526 AD9161/AD9162/AD9163/AD9164 User Guide

Rev. 0 | Page 10 of 22

5. Select Add Generated Waveform > Sing le Tone, as shown

in Figure 10. A single tone panel is added to the vector list.

6. Enter 2.458 GHz in Data Rate (or DAC clock frequency).

7. Enter 16 bits in DAC Resolution.

The AD9161 resolution is 11 bits and the AD9162,

AD9163, and AD9164resolution is 16 bits. The AD9161

can receive either 16-bit or 11-bit data because the

JESD204B data packing engine packs data in 8-bit sizes. If

11-bit data is chosen, the DPGDownloader software zero-

pads the data words to create 16-bit words for transfer to

the data framer. Because the AD9161 data path is 16 bits,

Analog Devices recommends sending 16-bit data to the

device so that true 16-bit math is computed with truncation

happening prior to the DAC decoder. Sending 16-bit data

this way can improve spurious performance as compared

to sending 11-bit data.

8. Enter 800 MHz in Desired Frequency.

9. Keep 0.0 dB in Amplitude.

10. Clear the Unsigned Data box because the AD9161,

AD9162, AD9163, and AD9164 accept only twos

complement data. Ensure that Generate Complex Data (I

& Q) is not selected.

11. From the Ve ctor dropdown list, select 1Q: Single Tone –

750.122 MHz; 0.0 dB; 0.0° (Quadrature) as the data vector.

12. Leave the other options as default values. SYNC Status

may show as the red X, as in Figure 11.

13. Click the down arrow button to download the pattern from

the computer to the ADS7-V2EBZunit.

14. Wait for the play button to become active, and then click

the play button to begin vector playback to the evaluation

board.

20160-010

Figure 10. Choose Single Tone as the Vector Type

20160-011

Figure 11. DPGDownloader: Selected Vector and Downloaded to the ADS7-V2EBZ Unit

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