Keysight Technologies N8241 Manuale utente

N8241A/N8242A

Arbitrary Waveform Generators

User’s Guide

Manufacturing Part Number: N8241-90001

Printed in USA

October 2015

NOTICE: In August 2014, Agilent Technologies’ former Test and Measurement

business became Keysight Technologies. This document is provided as a courtesy

but is no longer kept current and thus will contain historical references to Agilent.

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com

Notices

Warranty

The material contained in this document is provided “as is,” and is subject to being

changed, without notice, in future editions. Further, to the maximum extent permitted

by applicable law, Agilent disclaims all warranties, either express or implied, with

regard to this manual and any information contained herein, including but not limited

to the implied warranties of merchantability and fitness for a particular purpose.

Agilent shall not be liable for errors or for incidental or consequential damages in

connection with the furnishing, use, or performance of this document or of any

information contained herein. Should Agilent and the user have a separate written

agreement with warranty terms covering the material in this document that conflict

with these terms, the warranty terms in the separate agreement shall control.

Technology Licenses

The hardware and/or software described in this document are furnished under a

license and may be used or copied only in accordance with the terms of such license.

Restricted Rights Legend

If software is for use in the performance of a U.S. Government prime contract or

subcontract, Software is delivered and licensed as “Commercial computer software”

as defined in DFAR 252.227-7014 (June 1995), or as a “commercial item” as

defined in FAR 2.101(a) or as “Restricted computer software” as defined in FAR

52.227-19 (June 1987) or any equivalent agency regulation or contract clause. Use,

duplication or disclosure of Software is subject to Agilent Technologies’ standard

commercial license terms, and non-DOD Departments and Agencies of the U.S.

Government will receive no greater than Restricted Rights as defined in FAR

52.227-19(c)(1-2) (June 1987). U.S. Government users will receive no greater than

Limited Rights as defined in FAR 52.227-14 (June 1987) or DFAR 252.227-7015

(b)(2) (November 1995), as applicable in any technical data.

Safety Notices

The information contained in this document is subject to change without notice.

Agilent Technologies makes no warranty of any kind with regard to this material,

including but not limited to, the implied warranties of merchantability and fitness

for a particular purpose. Agilent Technologies shall not be liable for errors contained

herein or for incidental or consequential damages in connection with the furnishing,

performance, or use of this material.

The following safety symbols are used throughout this manual. Familiarize yourself

with the symbols and their meaning before operating this instrument.

WARNING Warning denotes a hazard. It calls attention to a procedure which, if not

correctly performed or adhered to, could result in injury or loss of life. Do not

proceed beyond a warning note until the indicated conditions are fully

understood and met.

CAUTION Caution denotes a hazard. It calls attention to a procedure that, if not correctly

performed or adhered to, could result in damage to or destruction of the instrument.

Do not proceed beyond a caution sign until the indicated conditions are fully

understood and met.

NOTE Note calls out special information for the user’s attention. It provides operational

information or additional instructions of which the user should be aware.

General Safety Information

The following general safety precautions must be observed during all phases of

operation. Failure to comply with these precautions or with specific warnings

elsewhere in this manual violates safety standards of design, manufacture, and

intended use of the instrument. Agilent Technologies assumes no liability for the

customer’s failure to comply with these requirements.

WARNING This is a Safety Class 1 Product (provided with a protective earthing ground

incorporated in the power cord). The mains plug shall only be inserted in a

socket outlet provided with a protected earth contact. Any interruption of the

protective conductor inside or outside of the product is likely to make the

product dangerous. Intentional interruption is prohibited.

CAUTION This product is designed for use in Installation Category II and Pollution Degree 2

per IEC 61010 Second Edition and 664 respectively.

WARNING If this product is not used as specified, the protection provided by the

equipment could be impaired. This product must be used in a normal condition

(in which all means for protection are intact) only.

WARNING No operator serviceable parts inside. Refer servicing to qualified personnel. to

prevent electrical shock do not remove covers.

CAUTION The Mains wiring and connectors shall be compatible with the connector used in the

premise electrical system. Failure to ensure adequate earth grounding by not using

the correct components may cause product damage, and serious injury.

Safety Symbols

The following symbols on the instrument and in the manual indicate precautions

which must be taken to maintain safe operation of the instrument.

The Instruction Documentation Symbol. The product is

marked with this symbol when it is necessary for the

user to refer to the instructions in the supplied

documentation.

This symbol indicates the position of the operating

switch for ‘On’ mode

This symbol indicates the position of the operating

switch for ‘Stand-by’ mode. Note, the instrument is

NOT isolated from the mains when the switch is in this

position.

To isolate the instrument, the mains coupler (mains

input cord) should be removed from the power supply.

This symbol indicates separate collection for electrical

and electronic equipment, mandated under EU law as of

August 13, 2005. All electric and electronic equipment

are required to be separated from normal waste for

disposal (Reference WEEE Directive, 200/96/EC).

The CE mark shows that the product complies with all

relevant European Legal Directives.

The C-Tick mark is a registered trademark of the

Australian Communications Authority. This signifies

compliance with the Australian EMC Framework

Regulations under the terms of the Radio

communications Act of 1992.

ISM 1-A This is a symbol of an Industrial, Scientific, and

Medical Group 1 Class A product.

ICES/NMB-001 This ISM device complies with Canadian ICES-001.

Cet appareil ISM est conforme à la norme NMB-001 du

Canada.

The CSA mark is a registered trademark of the

Canadian Standards Association, and indicates

compliance to the standards laid out by them.

Trademark Acknowledgement

Microsoft is a US registered trademark of Microsoft Corp.

MATLAB is a U.S. registered trademark of The Math Works, Inc.

Updated Information

Where to Find the Latest Information

Documentation is updated periodically. For the latest information about the N8241A

Arbitrary Waveform Generator, including firmware upgrades and application

information, please visit the following Internet URL:

Compliance

This product has been designed and tested in accordance with accepted industry

standards, and has been supplied in a safe condition. The documentation contains

information and warnings that must be followed by the user to ensure safe operation

and to maintain the product in a safe condition.

Declaration of Conformity

The Declaration of Conformity (DOC) is on file. If a copy is required, please contact

an Agilent Sales Representative or the closest Agilent Sales Office. Alternately,

contact Agilent at:

Contents

1. Introducing the N8241/2A AWGs

Front Panel Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

PWR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

LAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

1588 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Rear Panel Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Graphical User Interface (GUI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Supported Operating Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Required Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

N8241/2A Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Installing the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Installing the Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Connecting to the AWG over the LAN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Verifying System Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

System Set Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Waveform Generation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Shutting Down the System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Cleaning the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Cleaning Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

2. Basic Operation

Using the Graphical User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Generating a Single Tone Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Generating a Multi-tone Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Contents

Creating and Playing a Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Synchronizing Two N8241/2A Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Internal Clock Synchronization Using Continuous Mode . . . . . . . . . . . . . . . . 47

Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Cables and Adapters required for 1.25 GHz external clock (Agilent N6030A

K10 kit):47

Procedure Using a Software Marker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Selecting the Master Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Selecting the Slave Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Initiating Synchronous Playback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Using Programmatic Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

IVI-C Driver Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

MATLAB Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

MATLAB Example 1, Creating and Playing a Waveform. . . . . . . . . . . . . . . . . . 52

MATLAB Example 2, Synchronizing Two N8241/2A AWGs . . . . . . . . . . . . . . 54

C/C++ Example Program. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

3. Theory of Operation

N8241/2A Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Clock I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

10 MHz In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Internal Clock Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

External Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

SYNC Clock In/SYNC Clock Out. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Waveform Playback. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Waveform Sequencer Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Sequence Play Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Sequencer Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Waveform Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

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