Intersil JESD204B Manual de usuario

Application Note 1809

Intersil JESD204B High Speed ADC Evaluation Kit

Installation Guide and Quick Start Manual

The Intersil JESD204B High Speed ADC evaluation system

allows users to evaluate the Intersil portfolio of low-power, 12-

to 16-bit, high-performance analog-to-digital converters (ADC)

with JESD204B high speed serial outputs. These converters

run at sampling rates of 40MSPS to 500MSPS and their

JESD204B outputs operate at rates from 1 to 4.375Gbps. The

evaluation system uses the Intersil iEvalADC software, which

displays all pertinent data such as SFDR, SINAD, ENOB,

harmonics, current, and power measurements. The software

also plots outputs in frequency spectra and time domain.

To begin testing, simply connect the input signal, sampling

clock, and target computer to the motherboard, and supply

power (Figure 1). The motherboard (ADCMB-HSFMCEV1Z)

provides appropriate supply voltages and captures digital data

from the daughter card. Daughter cards contain the ADCs and

attach directly to the motherboard to form the ADC evaluation

platform (Figure 2). To ensure proper operation of the system,

it is recommended that the most current software version be

installed. If Intersil iEvalADC is already installed on the

machine, a new installation may proceed without removing

the prior version.

Features

• Complete high-speed ADC measurement solution

• 40MSPS to 500MSPS operation

• Datasheet-style, live-updated display with calculation of

critical ADC parameters (SNR, SFDR, SINAD, ENOB,

Harmonics, Power)

• Multiple display modes: frequency (FFT), time domain

• Integrated SPI control for ADC configuration

• JESD204B receiver reference design (included with

iEvalADC software)

• USB 2.0 interface for rapid data transfer

•1M(2

20) word capture depth

Evaluation System Contents

The evaluation system is provided with a USB cable to connect

to a PC and a 5V power supply. The user need only provide

signal and clock sources, optional filters, and a PC running the

Microsoft Windows™ XP operating system with Java installed.

Intersil iEvalADC software can be downloaded from the Intersil

web site. Please visit www.intersil.com/jesd204b for more

details.

FIGURE 1. EVALUATION PLATFORM BLOCK DIAGRAM

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 |Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

December 5, 2012

AN1809.0

Application Note 1809

2AN1809.0

December 5, 2012

Installation Requirements

Before installing iEvalADC, please confirm the following:

• PC operating system is Windows XP

• The account that the software is installed from has

administrator privileges.

• Java is installed.

- The Java Runtime Environment is installed on the PC. If not,

it can be installed by downloading from http://java.com/

- Windows XP has associated files with the *.jar extension

with the java runtime environment. This is done by default

during the java runtime environment install. You can modify

your file extension associations by opening an explore

window, clicking on the Tools drop down menu, selecting

Folder Options, and interacting with the pop up window.

Setup and Operation of the ADC

Evaluation Platform

To set up the ADC evaluation platform, the following items are

required:

1. Intersil ADCMB-HSFMCEV1Z motherboard

2. USB cable (USB-A to USB-B, 1.25 to 2M long) (supplied with

ADCMB-HSFMCEV1Z)

3. 5V power supply, 18 W minimum (supplied with ADCMB-

HSFMCEV1Z)

4. Intersil daughter card containing ADC to be tested (ordered

separately)

5. Suitable signal and clock sources (see “Appendix A” on

page 4)(supplied by user)

6. PC with free USB2.0 port, logged in with administrator rights

(supplied by user)

Installing the iEvalADC Software

1. Double click the installer executable (i.e.,

“Intersil_iEvalADC_V1.04.exe”). This will launch the installer,

resulting in the following window. Click "Next".

2. The End User License Agreement will be displayed. In the

License Agreement window, if you agree with the Software

Evaluation License Agreement, click “I accept the terms of

the License Agreement” radio button, then click "Next".

FIGURE 2. EXAMPLE EVALUATION BOARD CONNECTIONS SHOWING ISLA214S50 DAUGHTER CARD

Daughter

Card

Mother

Board

USB

5V Power

FIGURE 3.

FIGURE 4.



Application Note 1809

3AN1809.0

December 5, 2012

3. The “Choose Install Location” window opens. Click "Next".

4. The “Choose Start Menu Folder” opens. Click “Install”.

5. The “Completing the Intersil iEvalADC Setup Wizard” window

opens. Click “Finish”.

6. Setup the hardware as shown in Figure 1.

7. Windows will automatically detect the new hardware and

prompt for the appropriate driver via the “Found New

Hardware Wizard”. Click “No, not this time”, then click "Next".

8. The Software Installation wizard window will open. Click the

“Install the software automatically (Recommended)” radio

button, then click "Next".

9. The” Completing the Found New Hardware Wizard” window

will open. Click “Finish”. (For common issues encountered

during this process and solutions to these issues, please refer

to “Appendix B” on page 4).

10. Double click on the iEvalADC shortcut on the desktop to

launch the application.

FIGURE 5.

FIGURE 6.

FIGURE 7.



FIGURE 8.

FIGURE 9.

FIGURE 10.



Application Note 1809

Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is

cautioned to verify that the Application Note or Technical Brief is current before proceeding.

For information regarding Intersil Corporation and its products, see www.intersil.com

AN1809.0

December 5, 2012

Running the Software

Once the installation is complete, the software can be launched

by double clicking on the shortcut located on the desktop, by

default called “iEvalADC”. There is no need to attach the

evaluation kit hardware to launch the software. The first time the

program is launched, you may experience a delay as the Java

runtime environment unpacks the required libraries. Subsequent

runs will be much shorter. A window similar to the following will

be displayed once iEvalADC has launched.

Thank you for installing the iEvalADC software. For a complete

user guide for iEvalADC, please refer to Application Note 1809.

Appendix A

Source Requirements

Source jitter and noise will degrade performance. For best test

results, a combined jitter (for both clock and signal sources) that

does not exceed 200fs is recommended.

Sample Clock and Input Signal Source Setup

Sample clock settings:

• 40MHz to 500MHz sine, +10dBm

Signal settings:

• 4.5MHz to 250MHz, +10dBm to +16dBm (depending on

analog input attenuation)

Appendix B

Sometimes there are multiple drivers that match the VID/PID

characteristics of the hardware. In those cases, a window similar

to the following will be displayed when trying to automatically

install the driver. When this occurs, select the driver with the

location of “c:\windows\inf\Icyusb.inf” and click “Next”.

Occasionally, windows will prompt for the ‘ICYUSB.sys’ file after

selecting the icyusb.inf file. If so, the prompt will look something

like the window displayed in Figure 13. If this prompt is

displayed, fill in the install directory of iEvalADC along with the

subdirectory, lib. Alternatively, browse to this directory. If you

accepted the defaults during installation, the correct path will be

C:\Program Files\Intersil\iEvalADC\lib. After entering the

appropriate directory, click “OK”, then, click “Search for the best

driver in these locations”. Also, make sure the check box “Include

this location in the search” is selected and the directory

highlighted is the install directory of iEvalADC with the “lib”

subdirectory, and click “Next” or ”OK”.

FIGURE 11.

FIGURE 12.

FIGURE 13.



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