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Agilent U2761A
USB Modular
Function/Arbitrary
Waveform Generator
User’s Guide
Agilent Technologies
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Notices © Agilent Technologies, Inc., 2008-2009 Warranty Safety Notices No part of this manual may be reproduced in The material contained in this docu- any form or by any means (including elec- ment is provided “as is,” and is sub- tronic storage and retrieval or translation CAUTION ject to being changed, without notice, into a foreign language) without prior agree- in future editions. Further, to the max- ment and written consent from Agilent A CAUTION notice denotes a haz- imum extent perm
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Safety Symbols The following symbols on the instrument and in the documentation indicate precautions which must be taken to maintain safe operation of the instrument. Direct current (DC) Equipment protected throughout by double insulation or reinforced insulation Alternating current (AC) Off (supply) Both direct and alternating current On (supply) Three-phase alternating current Caution, risk of electric shock Earth (ground) terminal Caution, risk of danger (refer to this manual for specific
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General Safety Information The following general safety precautions must be observed during all phases of operation of this instrument. 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 Inc. assumes no liability for the customer’s failure to comply with these requirements. � Do not operate the product in an explosive atmosphere or in the WARNIN
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Environment Conditions This instrument is designed for indoor use and in the area with low condensation. The table below shows the general environmental requirements for this instrument. Environment conditions Requirements Operating temperature 0 °C to 50 °C Operating humidity 20 to 85% RH non-condensing Storage temperature –20 °C to 70 °C Storage humidity 5 to 90% RH non-condensing The U2761A USB modular function/arbitrary waveform generator CAUTION complies with the following safety and EM
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Regulatory Markings The CE mark is a registered trademark The C-tick mark is a registered of the European Community.This CE trademark of the Spectrum mark shows that the product complies Management Agency of Australia. with all the relevant European Legal This signifies compliance with Directives. the Australia EMC Framework regulations under the terms of the Radio Communication Act of 1992. ICES/NMB-001 indicates that this This instrument complies with the ISM device complies with Canadian
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Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC This instrument complies with the WEEE Directive (2002/96/EC) marking requirement. This affixed product label indicates that you must not discard this electrical/electronic product in domestic household waste. Product Category: With reference to the equipment types in the WEEE directive Annex 1, this instrument is classified as a “Monitoring and Control Instrument” product. The affixed product label is shown as below: Do
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Declaration of Conformity DECLARATION OF CONFORMITY According to EN ISO/IEC 17050-1:2004 Generic example Manufacturer’s Name: Agilent Technologies Microwave Products (M) Sdn. Bhd Manufacturer’s Address: Bayan Lepas Free Industrial Zone, 11900, Bayan Lepas, Penang, Malaysia Declares under sole responsibility that the product as originally delivered Product Name: Agilent USB Modular Function Generator Models Number: U2761A Product Options: This declaration covers all options of the above
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Product Regulations EMC Performance Criteria IEC 61326-1:2002 / EN 61326-1:1997+A1:1998+A2:2001+A3:2003 CISPR 11:1990 / EN 55011:1990 – Group 1 Class A IEC 61000-4-2:1995 / EN 61000-4-2:1995 (ESD 4kV CD, 8kV AD) A IEC 61000-4-3:1995 / EN 61000-4-3:1996 (3V/m, 80% AM) A IEC 61000-4-4:1995 / EN 61000-4-4:1995 (EFT 0.5kV line-line, 1kV line-earth) B IEC 61000-4-5:1995 / EN 61000-4-5:1995 (Surge 0.5kV line-line, 1kV line-earth) A IEC 61000-4-6:1996 / EN 61000-4-6:1996 (3
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In This Guide… 1Getting Started In this chapter, you prepare your system for installation and configuration to get started with the U2761A. 2 Features and Functions In this chapter, you will learn about the functions and features offered by the U2761A. 3 Characteristics and Specifications In this chapter, you will observe the product characteristics and specifications. X U2761A User’s Guide
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Contents 1Getting Started 1 Introduction 2 Product at a Glance 3 Product Outlook 3 Product Dimensions 5 Dimensions Without Bumpers 5 Dimensions With Bumpers 6 Standard Purchase Items 7 Inspection and Maintenance 8 Initial Inspection 8 Electrical Check 8 General Maintenance 8 Installation and Configuration 9 Installation 9 A. Check Your System 10 B. Install the IO Libraries Suite 11 C. Install the Module Driver 12 D. Install the Agilent Measurement Manager 13 E. Connect the Module to Your PC 15 F
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Output Frequency 29 Output Amplitude 31 DC Offset Voltage 33 Output Units 35 Output Termination 36 Duty Cycle (Square Waves) 38 Symmetry (Ramp Wave) 40 Output Control 41 Set Output Using SCPI Commands 42 Pulse Waveform 45 Pulse Period 45 Pulse Width 46 Pulse Duty Cycle 47 Generate Pulse Waveform Using SCPI Commands 48 Amplitude Modulation (AM) 49 To Select AM 49 Carrier Waveform 50 Carrier Frequency 51 Modulating Waveform 52 Modulating Waveform Frequency 53 Modulation Depth 53 Generate AM Using
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To Select PM 61 Carrier Waveform 62 Carrier Frequency 63 Modulating Waveform 64 Modulating Waveform Frequency 64 Phase Deviation 65 Generate PM Using SCPI Commands 65 Frequency-Shift Keying (FSK) Modulation 66 To Select FSK Modulation 66 Carrier Waveform 67 FSK Carrier Frequency 68 FSK “Hop” Frequency 69 Generate FSK Modulation Using SCPI Commands 70 Phase-Shift Keying (PSK) Modulation 71 To Select PSK Modulation 71 Carrier Waveform 72 PSK Carrier Frequency 73 PSK Rate 74 PSK Deviation 74 Genera
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Sweep Trigger Source 83 Set Frequency Sweep Using SCPI Commands 84 Triggering 85 Trigger Source Choices 85 Internal Triggering 86 Manual Triggering 86 External Triggering 87 Trigger Input Signal 88 Trigger Output Signal 88 Set Triggering Using SCPI Commands 90 Arbitrary Waveforms 91 To Create and Store an Arbitrary Waveform 91 3 Characteristics and Specifications 95 Product Characteristics 96 Product Specifications and Characteristics 97 Index 103 XIV U2761A User's Guide
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List of Figures Figure 1-1 55-pin backplane connector pin configuration 23 Figure 2-1 U2761A soft front panel 28 Figure 2-2 Top panel view of the U2761A 29 Figure 2-3 Panel view of the frequency section 30 Figure 2-4 Panel view of the amplitude section 32 Figure 2-5 Panel view of the DC offset section 34 Figure 2-6 Panel view of the Tools menu 37 Figure 2-7 Square wave duty cycles 38 Figure 2-8 Panel view of the duty cycle section 39 Figure 2-9 Ramp wave duty cycles 40 Figure 2-10 Panel view of
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Figure 2-30 Trigger output pulse 88 Figure 2-31 Ramp waveform 91 Figure 2-32 Waveform download in progress 93 XVI U2761A User’s Guide
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List of Tables Table 1-1 Synchronous Simultaneous Interface (SSI) connector pin description 23 Table 2-1 Output functions 26 Table 2-2 Output frequency range 29 Table 2-3 Carrier frequency for AM 51 Table 2-4 Carrier frequency for FM 57 Table 2-5 Carrier frequency for PM 63 Table 2-6 Carrier frequency for FSK 68 Table 2-7 “Hop” frequency 69 Table 2-8 Carrier frequency for PSK 73 Table 2-9 Carrier frequency for ASK 78 U2761A User’s Guide XVII
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XVIII U2761A User’s Guide
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Agilent U2761A USB Modular Function/Arbitrary Waveform Generator User’s Guide 1 Getting Started Introduction 2 Product at a Glance 3 Product Dimensions 5 Standard Purchase Items 7 Inspection and Maintenance 8 Installation and Configuration 9 This chapter provides the introduction of the U2761A that helps you get acquainted with the product and the product outlook. This chapter also includes the installation and configuration procedures that will help you get started with the U2761A. Ag
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1Getting Started Introduction The U2761A is a 20 MHz USB modular function generator with Arbitrary waveform and pulse generation capabilities. It can operate as a standalone unit or as part of a modular unit when used with the U2781A USB modular instrument chassis. The U2761A adopts the latest direct digital synthesis (DDS) technology that digitally creates Arbitrary waveforms and frequencies from a single, fixed source frequency. DDS offers the precision of a digital control logic; reduc
