User’s Guide
Agilent U2761A USB Modular Function/Arbitrary Waveform Generator
Agilent Technologies
C A U T I O N
Warranty
Safety Notices
Notices
U2761A User’s Guide
Safety Symbols
Do not operate the product in an explosive atmosphere or in the
General Safety Information
WARN IN G
C A U T I O N
Requirements
Environment Conditions
U2761A User’s Guide
Regulatory Markings
Do not dispose in domestic household waste
Waste Electrical and Electronic Equipment WEEE Directive 2002/96/EC
U2761A User’s Guide
Standard
Declaration of Conformity
VIII
U2761A User’s Guide
Regulatory Information for Canada
U2761A User’s Guide
Additional Information
1Performance Criteria
1 Getting Started
2 Features and Functions
3 Characteristics and Specifications
In This Guide…
XVII
Contents
Installation
Chassis Installation
Features and Functions
Contents
To Select PM
Phase Modulation PM
Phase Deviation
Contents
3 Characteristics and Specifications
Product Specifications and Characteristics
Index
Contents
PM waveform
List of Figures
AM waveform
FM waveform
U2761A User’s Guide
Carrier frequency for PSK
Table 1-1 Synchronous Simultaneous Interface SSI connector
List of Tables
U2761A User’s Guide
U2761A User’s Guide
XVIII
Agilent Technologies
Getting Started
Agilent U2761A USB Modular Function Generator User’s Guide
Introduction
Various features of the U2761A
1 Getting Started
U2761A User’s Guide
Product at a Glance
Product Outlook
Top View
Trigger in connector Output connector Trigger out connector
Front View
Rear View
USB indicator Power indicator 10 MHz reference connector
Front View
Product Dimensions
Dimensions Without Bumpers
Top View
1 Getting Started
Dimensions With Bumpers
Top View
Front View
U2761A User’s Guide
Standard Purchase Items
Electrical Check
Inspection and Maintenance
General Maintenance
Initial Inspection
U2761A User’s Guide
Installation and Configuration
Installation
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1 Getting Started
A. Check Your System
Hard-disk space 1 GB
U2761A User’s Guide
B. Install the IO Libraries Suite
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C. Install the Module Driver
1 Getting Started
U2761A User’s Guide
D. Install the Agilent Measurement Manager
1 Getting Started
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10 Fill in the Customer Information Form accordingly and click Next
U2761A User’s Guide
E. Connect the Module to Your PC
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Yes, this time only and click Next to proceed
U2761A User’s Guide
1 Getting Started
Go to Start Control Panel and double-click System
Select Ignore to disable the warning message
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follow the instructions below
8 The Assign USB device alias window will appear. Each time the U2761A is plugged in, this dialog box will appear. To
1 Getting Started
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F. Verify Your Module Connection
U2761A User’s Guide
1 Getting Started
Send Commands To This Instrument
software
G. Launch Your Agilent Measurement Manager
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Double-click the Measurement Manager software icon on
the Agilent Measurement Manager help file
For more information on how to use the Measurement Manager, refer to
N O TE
1 Getting Started
Getting Started
55-Pin Backplane Connector Pin Configuration
SSI timing signal
U2761A User’s Guide
1 Getting Started
Chassis Installation
Phase-Shift Keying PSK Modulation
Features and Functions
Output Configuration
Phase Modulation PM
2 Features and Functions
Output Configuration
Introduction
Output Function
Amplitude Limitation
Function Limitation
U2761A User’s Guide
Figure 2-1 U2761A soft front panel
Soft Front Panel Operation
2 Features and Functions
Waveform pattern selection Waveform parameters
Remote Interface Operation
Output Frequency
U2761A User’s Guide
Soft Front Panel Operation
Function Limitations
Duty Cycle Limitations
2 Features and Functions
The default amplitude is 1 Vpp into 50 Ω for all functions
Output Amplitude
Offset Voltage Limitations
Limits Due to Output Termination
Figure 2-4 Panel view of the amplitude section
Limits Due to Units Selection
2 Features and Functions
Soft Front Panel Operation
Remote Interface Operation
DC Offset Voltage
Limits Due to Amplitude
The default offset is 0 V for all functions
Figure 2-5 Panel view of the DC offset section
2 Features and Functions
Soft Front Panel Operation
Remote Interface Operation
VOLTageUNIT VPPVRMSDBM
Output Units
Soft Front Panel Operation
Remote Interface Operation
2 Features and Functions
Output Termination
U2761A User’s Guide
Soft Front Panel Operation
Remote Interface Operation
Figure 2-6 Panel view of the Tools menu
2 Features and Functions
Duty Cycle Square Waves
Duty Cycle
Limits Due to Frequency
U2761A User’s Guide
Soft Front Panel Operation
Remote Interface Operation
Figure 2-8 Panel view of the duty cycle section
0% Symmetry
Symmetry Ramp Wave
2 Features and Functions
Soft Front Panel Operation
Figure 2-11 Panel view of the output section
Output Control
Remote Interface Operation
Soft Front Panel Operation
Example 1, To output a DC voltage
Set Output Using SCPI Commands
2 Features and Functions
Remote Interface Operation
Example 3, To output a Square wave
Example 2, To output a Sine wave
U2761A User’s Guide
Example 4, To output a Ramp wave
2 Features and Functions
Remote Interface Operation
Pulse Waveform
Pulse Period
Soft Front Panel Operation
Remote Interface Operation
Pulse Width
2 Features and Functions
Soft Front Panel Operation
Duty Cycle = 100 ⋅ Pulse Width / Period
Pulse Duty Cycle
Soft Front Panel Operation
Remote Interface Operation
2 Features and Functions
Generate Pulse Waveform Using SCPI Commands
Example
To Select AM
Amplitude Modulation AM
U2761A User’s Guide
Remote Interface Operation
Carrier Waveform
2 Features and Functions
Soft Front Panel Operation
Table 2-3 Carrier frequency for AM
Carrier Frequency
Remote Interface Operation
Figure 2-16 Panel view of the Arbitrary waveform
Soft Front Panel Operation
Modulating Waveform
2 Features and Functions
The default modulating waveform is Sine wave
N O TE
Modulating Waveform Frequency
Modulation Depth
default modulation depth is 100%
2 Features and Functions
Generate AM Using SCPI Commands
Example
To Select FM
Frequency Modulation FM
U2761A User’s Guide
Remote Interface Operation
2 Features and Functions
Carrier Waveform
Soft Front Panel Operation
U2761A User’s Guide
Carrier Frequency
Remote Interface Operation
Table 2-4 Carrier frequency for FM
Remote Interface Operation
2 Features and Functions
Modulating Waveform
Soft Front Panel Operation
Remote Interface Operation
Frequency Deviation
Modulating Waveform Frequency
Soft Front Panel Operation
Remote Interface Operation
Generate FM Using SCPI Commands
2 Features and Functions
Soft Front Panel Operation
To Select PM
Phase Modulation PM
U2761A User’s Guide
Remote Interface Operation
2 Features and Functions
Carrier Waveform
Soft Front Panel Operation
Remote Interface Operation
Carrier Frequency
Remote Interface Operation
Soft Front Panel Operation
Modulating Waveform Frequency
2 Features and Functions
The default waveform is Sine wave
Modulating Waveform
Soft Front Panel Operation
Phase Deviation
Generate PM Using SCPI Commands
0 to 360 . The default phase deviation setting is
To Select FSK Modulation
Frequency-Shift Keying FSK Modulation
2 Features and Functions
Soft Front Panel Operation
Carrier Waveform
Soft Front Panel Operation
Remote Interface Operation
Soft Front Panel Operation
FSK Carrier Frequency
2 Features and Functions
Remote Interface Operation
frequency is 100 Hz for all functions
FSK “Hop” Frequency
Soft Front Panel Operation
Remote Interface Operation
Soft Front Panel Operation
Generate FSK Modulation Using SCPI Commands
FSK Rate
2 Features and Functions
To Select PSK Modulation
Phase-Shift Keying PSK Modulation
U2761A User’s Guide
Remote Interface Operation
2 Features and Functions
Carrier Waveform
Soft Front Panel Operation
Remote Interface Operation
PSK Carrier Frequency
Remote Interface Operation
Soft Front Panel Operation
Soft Front Panel Operation
PSK Rate
PSK Deviation
2 Features and Functions
Example
Generate PSK Modulation Using SCPI Commands
U2761A User’s Guide
To Select ASK Modulation
Amplitude-Shift Keying ASK Modulation
2 Features and Functions
Soft Front Panel Operation
Carrier Waveform
Soft Front Panel Operation
Remote Interface Operation
Soft Front Panel Operation
2 Features and Functions
Carrier Frequency
Remote Interface Operation
Remote Interface Operation
Generate ASK Modulation Using SCPI Commands
ASK Rate
Soft Front Panel Operation
Soft Front Panel Operation
Frequency Sweep
To Select Sweep
2 Features and Functions
Figure 2-28 Panel view of sweep
Start Frequency and Stop Frequency
Remote Interface Operation
Soft Front Panel Operation
Remote Interface Operation
Sweep Mode
Sweep Time
2 Features and Functions
Soft Front Panel Operation
Sweep Trigger Source
Soft Front Panel Operation
Remote Interface Operation
Example
Set Frequency Sweep Using SCPI Commands
2 Features and Functions
Remote Interface Operation
U2761A User’s Guide
Triggering
Trigger Source Choices
Soft Front Panel Operation
Remote Interface Operation
Internal Triggering
Manual Triggering
2 Features and Functions
Remote Interface Operation
External Triggering
Remote Interface Operation
Soft Front Panel Operation
Trigger in Rising edge shown Figure 2-29 Trigger input pulse
Trigger Input Signal
Trigger Output Signal
2 Features and Functions
U2761A User’s Guide
Soft Front Panel Operation
Remote Interface Operation
falling edge, select Positive for rising edge and
2 Features and Functions
Set Triggering Using SCPI Commands
Example
To Create and Store an Arbitrary Waveform
Arbitrary Waveforms
U2761A User’s Guide
3 Set the waveform voltage limits
2 Features and Functions
1 Select the Arbitrary waveform function
2 Set the waveform period
9 Exiting the waveform editor
6 Start waveform editing process
7 Sending waveform to the U2761A
8 Saving the waveform
U2761A User’s Guide
2 Features and Functions
Agilent U2761A USB Modular Function Generator User’s Guide
Characteristics and Specifications
Product Characteristics Product Specifications and Characteristics
Agilent Technologies
SAFETY COMPLIANCE
Product Characteristics
3 Characteristics and Specifications
POWER CONSUMPTION
Square
Product Specifications and Characteristics
WAVEFORM CHARACTERISTICS Sine
WAVEFORMS
3 Characteristics and Specifications
Ramp, Triangle
Pulse
Arbitrary
Internal frequency reference
COMMON CHARACTERISTICS Amplitude
DC offset
Main output
3 Characteristics and Specifications
MODULATION AM
U2761A User’s Guide
SWEEP CHARACTERISTICS
TRIGGER CHARACTERISTICS Trigger input
Trigger output
U2761A User’s Guide
3 Characteristics and Specifications
U2761A User’s Guide
Index
offset. Refer to DC offset
phase noise PM
limits
L-Mount kit 7
Agilent Technologies, Inc First Edition, April 30 U2761-90000