GW Instek AFG-3021, AFG-3031, AFG-3032, AFG-3022 User Manual

Arbitrary Function Generator

AFG-3021, 3022, 3031 & AFG-3032

USER MANUAL

GW INSTEK PART NO. 82FG-30320EC1

ISO-9001 CERTIFIED MANUFACTURER

北京海洋兴业科技股份有限公司

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August 2016 edition

This manual contains proprietary information, which is protected by
copyright. All rights are reserved. No part of this manual may be
photocopied, reproduced or translated to another language without
prior written consent of Good Will Corporation.

The information in this manual was correct at the time of printing.
However, Good Will continues to improve its products and therefore
reserves the right to change the specifications, equipment, and
maintenance procedures at any time without notice.

Good Will Instrument Co., Ltd.
No. 7-1, Jhongsing Rd., Tucheng City, Taipei County 236, Taiwan.

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TABLE OF CONTENTS

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Table of Contents

SAFETY INSTRUCTIONS .................................. 6

GETTING STARTED ....................................... 12

Main Features ................................................................... 12

Panel Overview .................................................................. 15

Setting up the Function Generator .................................... 24

QUICK REFERENCE ....................................... 26

How to use the Digital Inputs ........................................... 28

How to use the Help Menu ............................................... 29

Selecting a Waveform ........................................................ 32

Modulation ........................................................................ 36

Sweep ................................................................................ 42

Burst ................................................................................. 43

ARB ................................................................................... 44

Utility Menu ...................................................................... 48

Menu Tree ......................................................................... 51

Default Settings ................................................................ 68

OPERATION .................................................. 70

Select a Channel ................................................................ 71

Select a Waveform ............................................................. 72

MODULATION............................................... 90

Amplitude Modulation (AM) ............................................. 92

Frequency Modulation (FM) ............................................ 101

Frequency Shift Keying (FSK) Modulation ........................ 109

Phase Modulation (PM) .................................................. 116

SUM Modulation ............................................................. 122

Pulse Width Modulation .................................................. 129

Sweep .............................................................................. 136

3

AFG-3021/3022/3031/3032 User Manual

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Burst Mode ..................................................................... 147

SECONDARY SYSTEM FUNCTION SETTINGS

.................................................................... 159

Save, Recall or Delete ...................................................... 160

Selecting the Remote Interface ........................................ 164

System and Settings ........................................................ 169

DUAL CHANNEL & MULTI-UNIT OPERATION

.................................................................... 178

Dual Channel Settings ..................................................... 179

Multi-Unit Syncing .......................................................... 187

ARBITRARY WAVEFORMS ............................ 191

Inserting Built-In Waveforms ........................................... 192

Display an Arbitrary Waveform ........................................ 199

Editing an Arbitrary Waveform ......................................... 206

Output an Arbitrary Waveform ......................................... 215

Saving/Loading an Arbitrary Waveform ............................ 222

REMOTE INTERFACE ................................... 230

Establishing a Remote Connection .................................. 231

Web Browser Control Interface ........................................ 238

Command Syntax ............................................................. 241

Command List ................................................................. 246

488.2 Common Commands.............................................. 252

Status Register Commands .............................................. 255

System Commands .......................................................... 261

Apply Commands ............................................................ 264

Output Commands .......................................................... 272

Pulse Configuration Commands ...................................... 282

Harmonic Commands ...................................................... 286

Amplitude Modulation (AM) Commands ......................... 289

AM Overview ................................................................... 289

4

TABLE OF CONTENTS

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Frequency Modulation (FM) Commands ......................... 294

FM Overview ................................................................... 294

Frequency-Shift Keying (FSK) Commands ........................ 299

FSK Overview .................................................................. 299

Phase Modulation (PM) Commands ................................ 303

PM Overview ................................................................... 303

Additive Modulation (SUM) Commands .......................... 307

SUM Overview ................................................................. 307

Pulse Width Modulation (PWM) Commands ................... 312

PWM Overview ................................................................ 312

Frequency Sweep Commands .......................................... 317

Sweep Overview .............................................................. 317

Burst Mode Commands ................................................... 328

Burst Mode Overview ...................................................... 328

Arbitrary Waveform Commands ....................................... 338

Arbitrary Waveform Overview .......................................... 338

Tracking Commands ........................................................ 379

Reference Commands ...................................................... 384

Save and Recall Commands ............................................. 385

Error Messages ............................................................... 387

SCPI Status Registers ...................................................... 400

APPENDIX ................................................... 406

Fuse Replacement ........................................................... 406

AFG-3021, AFG-3022, AFG-3031 & AFG-3032 Specifications

........................................................................................ 407

Declaration of Conformity ............................................... 414

ARB Built-In Waveforms .................................................. 415

INDEX ......................................................... 423

5

AFG-3021/3022/3031/3032 User Manual

WARNING

Warning: Identifies conditions or practices that
could result in injury or loss of life.

CAUTION

Caution: Identifies conditions or practices that
could result in damage to the function generator or
to other objects or property.

DANGER High Voltage

Attention: Refer to the Manual

Signal ground. Chassis ground

Signal ground. Isolated from other channels and
ground.

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SAFETY INSTRUCTIONS

This chapter contains important safety instructions
that should be followed when operating and
storing the function generator. Read the following
before any operation to ensure your safety and to
keep the function generator in the best condition.

Safety Symbols

These safety symbols may appear in this manual or on the
instrument.

6

SAFETY INSTRUCTIONS

Do not dispose electronic equipment as unsorted
municipal waste. Please use a separate collection
facility or contact the supplier from which this
instrument was purchased.

General
Guideline

CAUTION

 Do not place heavy objects on the instrument.

 Do not place flammable objects on the

instrument.

 Avoid severe impact or rough handling that

may damage the function generator.

 Avoid discharges of static electricity on or near

the function generator.

 Use only mating connectors, not bare wires, for

the terminals.

 The instrument should only be disassembled by

a qualified technician.

 Do not apply more than 42Vpk to any

input/output ground or to the chassis ground.

 Do not apply voltage to the output terminals to

avoid damage to the instrument.

 Do not apply more than ±5V to the trigger or

MOD input terminals to avoid damage to the
instrument.

(Measurement categories) EN 61010-1:2010 specifies the
measurement categories and their requirements as follows. The
AFG-30XX falls under category II.

 Measurement category IV is for measurement performed at the

source of a low-voltage installation.

 Measurement category III is for measurement performed in a

building installation.

 Measurement category II is for measurement performed on

circuits directly connected to a low voltage installation.

 Measurement category I is for measurements performed on

circuits not directly connected to Mains.

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Safety Guidelines

7

AFG-3021/3022/3031/3032 User Manual

Power Supply

WARNING

 AC Input voltage: 100 - 240V AC, 50 - 60Hz.

 Connect the protective grounding conductor of

the AC power cord to an earth ground to
prevent electric shock.

Fuse

WARNING

 Fuse type:

AFG-3032&3022: T1A/250V
AFG-3031&3021: T0.63A/250V

 Only qualified technicians should replace the

fuse.

 To ensure fire protection, replace the fuse only

with the specified type and rating.

 Disconnect the power cord and all test leads

before replacing the fuse.

 Make sure the cause of the fuse blowout is fixed

before replacing the fuse.

Ground

CAUTION

 The AFG-30XX is a floating function generator;

the AFG-30XXs’ common ground is electrically
isolated from the chassis ground by a 42Vpk
isolation voltage (DC + peak AC). Exceeding
42Vpp may cause damage to the internal
circuits.

 Do not short the chassis ground with

CH1(MAIN)’s or CH2’s common ground if
there is a potential voltage difference between
them. Doing so may damage the unit or
externally connected equipment.

 If there is a potential voltage between CH1’s and

CH2’s common ground, do not short them.

Doing so may damage the unit or externally
connected equipment.

WARNING

 To avoid electric shock ensure that the output

voltage and floating voltage does not exceed
42Vpk in total.

 Do not touch any exposed connectors when the

unit is being operated.

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8

SAFETY INSTRUCTIONS

Cleaning the
function
generator

 Disconnect the power cord before cleaning the

function generator.

 Use a soft cloth dampened in a solution of mild

detergent and water. Do not spray any liquid
into the function generator.

 Do not use chemicals containing harsh products

such as benzene, toluene, xylene, and acetone.

Operation
Environment

 Location: Indoor, no direct sunlight, dust free,

almost non-conductive pollution (Note below)
and avoid strong magnetic fields.

 Relative Humidity: < 80%

 Altitude: < 2000m

 Temperature: 0°C to 40°C

(Pollution Degree) EN 61010-1:2010 specifies pollution degrees and
their requirements as follows. The function generator falls under
degree 2.

Pollution refers to “addition of foreign matter, solid, liquid, or
gaseous (ionized gases), that may produce a reduction of dielectric
strength or surface resistivity”.

 Pollution degree 1: No pollution or only dry, non-conductive

pollution occurs. The pollution has no influence.

 Pollution degree 2: Normally only non-conductive pollution

occurs. Occasionally, however, a temporary conductivity caused
by condensation must be expected.

 Pollution degree 3: Conductive pollution occurs, or dry, non-

conductive pollution occurs which becomes conductive due to
condensation which is expected. In such conditions, equipment
is normally protected against exposure to direct sunlight,
precipitation, and full wind pressure, but neither temperature
nor humidity is controlled.

Storage
environment

 Location: Indoor

 Relative Humidity: < 70%

 Temperature: -10°C to 70°C

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9

AFG-3021/3022/3031/3032 User Manual

Disposal

Do not dispose this instrument as unsorted
municipal waste. Please use a separate collection
facility or contact the supplier from which this
instrument was purchased. Please make sure
discarded electrical waste is properly recycled to
reduce environmental impact.

Class A Device

WARNING

The AFG-30XX function generators are categorized
as Class A equipment. Class A equipment is
intended for use in an industrial environment.
Class A equipment may have potential difficulties
in ensuring electromagnetic compatibility in other
environments, due to conducted as well as
radiated disturbances.

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10

SAFETY INSTRUCTIONS

Green/ Yellow:

Earth

Blue:

Neutral

Brown:

Live (Phase)

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Power cord for the United Kingdom

When using the function generator in the United Kingdom, make sure the
power cord meets the following safety instructions.

NOTE: This lead/appliance must only be wired by competent persons

WARNING: THIS APPLIANCE MUST BE EARTHED
IMPORTANT: The wires in this lead are coloured in accordance with the
following code:

As the colours of the wires in main leads may not correspond with the
coloured marking identified in your plug/appliance, proceed as follows:

The wire which is coloured Green & Yellow must be connected to the Earth
terminal marked with either the letter E, the earth symbol or coloured

Green/Green & Yellow.

The wire which is coloured Blue must be connected to the terminal which is
marked with the letter N or coloured Blue or Black.

The wire which is coloured Brown must be connected to the terminal
marked with the letter L or P or coloured Brown or Red.

If in doubt, consult the instructions provided with the equipment or contact
the supplier.

This cable/appliance should be protected by a suitably rated and approved
HBC mains fuse: refer to the rating information on the equipment and/or
user instructions for details. As a guide, a cable of 0.75mm2 should be
protected by a 3A or 5A fuse. Larger conductors would normally require
13A types, depending on the connection method used.

Any exposed wiring from a cable, plug or connection that is engaged in a
live socket is extremely hazardous. If a cable or plug is deemed hazardous,
turn off the mains power and remove the cable, any fuses and fuse
assemblies. All hazardous wiring must be immediately destroyed and
replaced in accordance to the above standard.

11

AFG-3021/3022/3031/3032 User Manual

Model name

Frequency
bandwidth

Channels
AFG-3021

20MHz

1(signal ground chassis isolation)

AFG-3022

20MHz

2 (signal ground chassis isolation and

channel isolation)

AFG-3031

30MHz

1(signal ground chassis isolation)

AFG-3032

30MHz

2 (signal ground chassis isolation and
channel isolation)

Performance

 DDS Function Generator series

 1μHz high frequency resolution maintained at

full range

 1ppm frequency stability

 Full Function Arbitrary Waveform Capability

-250 MSa/s sample rate

-125 MSa/s repetition rate

-8 M-point waveform length

-16-bit amplitude resolution

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GETTING STARTED

The Getting started chapter introduces the
function generator’s main features, appearance, set
up procedure and power-up.

Note: Throughout this manual, “AFG-30XX”
refers to the AFG-3021, AFG-3022, AFG-3031 &
AFG-3032, unless stated otherwise.

Main Features

12

GETTING STARTED

-Ten 8 M waveform memories

-True waveform output to display

-User define output section

-D W R (Direct Waveform Reconstruction)
capability

-Waveform editing capability sans PC

-N Cycle and Infinite output mode selectable

 -60dBc low distortion sine wave

Features

 Sine, Square, Triangle, Pulse, Ramp, Noise, DC

standard waveforms

 Int/Ext AM, FM, PWM, FSK, PM, SUM

modulation

 Modulation/sweep signal output

 Burst function with internal and external

triggers

 Store/recall 10 groups of setting memories

 Output overload protection

 Two channel tracking (AFG-3022/3032 only)

 42Vpk signal ground chassis isolation and

42Vpk channel isolation

 Multi-unit synchronized control

 DSO Link function to transfer captured

waveforms from the DSO to the function
generator

 Harmonic waveform function

 Pulse waveform with configurable rise times &

fall times

 Frequency and amplitude sweep

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13

AFG-3021/3022/3031/3032 User Manual

Interface

 Interface: Standard: LAN, USB Optional: GPIB

 4.3 inch color TFT LCD (480 × 272) Graphical

User Interface

 AWES (Arbitrary Waveform Editing Software)

PC software

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14

GETTING STARTED

Arbitrary Function Generator

A F G- 3 0 3 1

OUTPUT

Waveform FREQ/Rate AMPL DC Offset UTIL

Preset

0

7 8 9

4 5 6

1 2 3

/

Output

F 1 F 2

F 3

F 4 F 5 F 6

ARB MOD Sweep Burst

MAIN

50

W

50

W

MOD

SYNC

MAIN

42V
MAX

42V
MAX

42V
MAX

LCD Display Number

pad

Scroll Wheel

Output
Terminals

Function keys USB portOutput

indicators

Output key

Selection
keys

Power Switch

Operation
keys

CH2

CH1

Output

Arbitrary Function Generator

A F G- 3 0 3 2

OUTPUT

Waveform FREQ/Rate AMPL DC Offset UTIL

Preset

0

7 8 9

4 5 6

1 2 3

/

Output

F 1 F 2

F 3

F 4 F 5 F 6

ARB MOD Sweep Burst

CH2

CH1

50

W

50

W

SYNC

CH2

CH1

42V
MAX

W

42V
MAX

42V
MAX

50

LCD Display Number

pad

Scroll Wheel

Output
Terminals

Function keys USB portOutput

indicators

Output
keys

Selection
keys

Power Switch

Operation
keys

CH1/CH2

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Panel Overview

Front Panel

AFG-3021/3031

AFG-3022/3032

15

AFG-3021/3022/3031/3032 User Manual

LCD display

TFT color LCD display, 480 x 272 resolution.

Function keys:
F1~F6

F 1

Activates the functions which
appear in the bottom of the LCD
display.

Operation keys

Waveform

Waveform is used to select a
waveform type.

FREQ/Rate

The FREQ/Rate key is used to set
the frequency or sample rate.

AMPL

AMPL sets the waveform
amplitude.

DC Offset

Sets the DC offset.

UTIL

The UTIL key is used to access the
save and recall options, set the
remote interface (USB, GPIB,
LAN), use DSO link (AFG­3021/3031), update and view the
firmware version, access the
calibration options, output
impedance settings (AFG­3021/3031 only), set the language
and access the help menu.

ARB

ARB is used to set the arbitrary
waveform parameters.

MOD

Sweep

Burst

The MOD, Sweep and Burst keys
are used to set the modulation,
sweep and burst settings and
parameters.

Preset

Preset

The preset key is used to recall a
preset state.

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16

GETTING STARTED

Main
(AFG

Output

MAIN

The Output key is used to
or off the

CH1
Output
(AFG

Output

CH1

CH1
keys are used
on or off for each individual
channel.

CH1/CH2
(AFG

CH1

CH2

The CH1/CH2
access the DSO link function,
output impedance settings and
phase settings
AFG

Output
indicators

OUTPUT

When an Output indicator is
green, it indicates that the output
is active.

USB
con

The USB Host
to
update

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Output

-3021/3031)

/CH2

-3022/3032)

-3022/3032)

turn on

waveform output.

/CH2 Output key. These

to turn the output

keys are used to

for the AFG-3022 &

-3032.

host

nector

connector is used

save and restore data as well as

the firmware.

17

AFG-3021/3022/3031/3032 User Manual

Output terminals
(AFG-3021/3031)

MOD

42V
MAX

Modulation output terminal for
the AM, FM, PWM, PM, SUM or
sweep function.

50

W

SYNC

42V
MAX

The SYNC output terminal
outputs a TTL logic level signal in
phase with the zero phase
position of the main output. 50Ω
output impedance.

50

W

MAIN

42V
MAX

The primary output terminal. 50Ω

output impedance.

Note: The MAIN ground has a common ground
with the MOD output, SYNC and MOD input
terminals. They are also isolated from the chassis
ground and the 10MHz REF IN ground by an
isolation voltage of 42Vpk.

Output terminals

(AFG-3022/3032)

SYNC

42V
MAX

50

W

The SYNC output terminal
outputs a TTL logic level signal in
phase with the zero phase

position of the CH1 output. 50Ω

output impedance.

50

W

CH2

42V
MAX

CH2 output terminal. 50Ω output

impedance.

50

W

CH1

42V
MAX

CH1 output terminal. 50Ω output
impedance.

Note: The CH1, CH2 and 10MHz REF IN ground
are isolated from each other and from the chassis
ground by an isolation voltage of 42Vpk.

The CH1 ground has a common ground with the
MOD output, SYNC and the CH1 MOD input
terminals.

The CH2 ground has a common ground with the
CH2 MOD input terminal.

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18

GETTING STARTED

Standby key

The standby key is used to turn
the function generator on (green)
or to put the function generator
into standby mode (red).

Selection keys

Used to select digits when editing
parameters.

Scroll Wheel

The scroll wheel is used to edit
values and parameters.

Decrease Increase

Keypad

0

/

321

4

7 859

6

The digital keypad is used to
enter values and parameters. The
keypad is often used in
conjunction with the selection
keys and variable knob.

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19

Rear Panel

WARNING

LAN

replacing fuse

Disconnect power
cord and test
leads before

100 240V

50 60Hz 50VA

AC

AC 250V
T 0.63A

FUSE RATING

GPIB

must be connected to ground.
For continued fire protection. Replace only with specified type and rated fuse.
No operator serviceable components inside.
Do not remove covers. Refer servicing to qualified personnel.

To avoid electric shock the power cord protective grounding conductor

OUT

INPUT

42V

MAX

IN

TriggerMOD

42V
MAX

REF

10MHz

GPIB Fan

OUT and IN
10MHz REF

USB portTrigger

Input

Power
socket and
fuse

Power Switch

MOD
Input

LAN

REF

OUT

INPUT

42V
MAX

10MHz

42V
MAX

IN

WARNING

LAN

replacing fuse

Disconnect power
cord and test
leads before

100 240V

50 60Hz 85VA

AC

AC 250V

T 1A

FUSE RATING

GPIB

must be connected to ground.
For continued fire protection. Replace only with specified type and rated fuse.
No operator serviceable components inside.
Do not remove covers. Refer servicing to qualified personnel.

To avoid electric shock the power cord protective grounding conductor

42V

MAX

CH2

Trigger MOD

CH1

TriggerMOD

GPIB Fan

OUT and IN
10MHz REF

CH1 MOD &
Trigger Input

Power
socket and
fuse

USB port Power Switch

CH2 MOD &
Trigger Input

LAN

10MHz REF OUT

OUT

IN

42V
MAX

REF

10 MHz reference output.

10MHz REF IN

10 MHz reference input.

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AFG-3021/3031

AFG-3022/3032

AFG-3021/3022/3031/3032 User Manual

20

GETTING STARTED

Tr igger Input

Trigger

External trigger input. Used to
receive external trigger signals. For
the AFG-3022/3032 there is a
separate trigger input for CH1 and
CH2.

MOD input

42V

MAX

MOD

Modulation input terminal. For the
AFG-3022/3032 there is a separate
modulation input for CH1 and
CH2.

Note: The CH1/CH2 MOD input terminals are
isolated from each other and from the chassis
ground by an isolation voltage of 42Vpk.

The CH1 MOD input shares ground with the CH1
ground.

The CH2 MOD input shares ground with the CH2
ground.

Fan

Power Socket
Input and fuse

Power input: 100-240V AC

50-60Hz.

Fuse:
AFG-3022/3032: T1A/250V
AFG-3021/AFG-3031: T0.63A/250V

For the fuse replacement procedure,
see page 406.

Power Switch

Main power switch.

USB B port

The USB B connector is used to
connect the function generator to a
PC for remote control.

LAN port

LAN

Ethernet port used for remote
control (RJ45 connector).

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21

AFG-3021/3022/3031/3032 User Manual

GPIB

GPIB

24 pin female GPIB
connector for PC remote
control.

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22

Display

CH1
Waveform
Display

Soft Menu Keys

CH2
Waveform
Display

CH1
Parameter
Window

CH2
Parameter
Window

Parameter
Windows

These windows are used to edit the parameter
values for CH1 and CH2.

Waveform Display

The Waveform Display is used give an indication
of the expected waveform output for each channel.

Soft Menu Keys

The function keys (F1~F6) below the Soft Menu
keys correspond to the soft keys.

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GETTING STARTED

23

AFG-3021/3022/3031/3032 User Manual

Background

This section describes how to adjust the handle
and power up the function generator.

Adjusting the
stand

Pull out the handle
sideways and rotate
it.
Place the unit
horizontally,

or tilt the stand.

Place the handle
vertically to hand
carry.

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Setting up the Function Generator

24

GETTING STARTED

Power Up

1. Connect the power cord to
the socket on the rear panel.

2. Turn on the power switch
on the rear panel.

3. Press and hold the Standby
key on the front panel to
turn the machine on. The
standby key will change
from red (standby) to green
(on).

Standby

On

4. When the standby key turns green, the
instrument will turn on showing a loading
screen.

The function generator is now ready to be used.

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25

AFG-3021/3022/3031/3032 User Manual

How to use the Digital Inputs ............................................ 28

How to use the Help Menu................................................ 29

Selecting a Waveform ........................................................ 32

Square Wave ........................................................................ 32

Triangle Wave ....................................................................... 32

Sine Wave ............................................................................. 33

Pulse Wave ........................................................................... 33

Noise Wave .......................................................................... 34

Harmonic Wave ................................................................... 34

Modulation ........................................................................ 36

AM ........................................................................................ 36

FM ........................................................................................ 37

FSK Modulation ................................................................... 38

PM ........................................................................................ 39

SUM Modulation ................................................................. 40

PWM Modulation ................................................................. 41

Sweep ................................................................................ 42

Burst ................................................................................. 43

ARB ................................................................................... 44

ARB – Add Built-In Waveform ............................................. 44

ARB – Add Built-In Waveform - Pulse ................................. 44

ARB - Add Point ................................................................... 45

ARB - Add Line ..................................................................... 45

ARB – Output Section .......................................................... 46

ARB – Output N Cycle ......................................................... 46

ARB – Output Infinite Cycles ............................................... 47

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QUICK REFERENCE

This chapter lists operation shortcuts, built-in help coverage, and
default factory settings. Use this chapter as a quick reference for
instrument functions. For detailed explanations on parameters,
settings and limitations, please see the Operation chapter(page 70),
Modulation chapter(page 90), Secondary System Function Settings
chapter (page 159), Dual Channel & Multi-Unit Operation
chapter(page 178) or the Specifications (page 407).

26

QUICK REFERENCE

Utility Menu ...................................................................... 48

Save ...................................................................................... 48

Recall .................................................................................... 48

Interface GPIB ...................................................................... 48

Interface LAN ....................................................................... 49

Interface USB........................................................................ 49

Dual Channel – Frequency Coupling ................................... 49

Dual Channel – Amplitude Coupling ................................... 49

Dual Channel – Tracking ...................................................... 50

Menu Tree ......................................................................... 51

Waveform ............................................................................. 51

Waveform - Pulse ................................................................. 52

Waveform - More ................................................................. 52

ARB-Display .......................................................................... 53

ARB-Edit................................................................................ 54

ARB-Built-in .......................................................................... 55

ARB-Built in-Basic ................................................................ 56

ARB-Save .............................................................................. 57

ARB-Load .............................................................................. 57

ARB-Output .......................................................................... 58

MOD ..................................................................................... 59

Sweep - Type/MOD = Frequency ......................................... 60

Sweep - More ........................................................................ 60

Sweep - Type/MOD = Amplitude......................................... 61

Burst – N Cycle ..................................................................... 62

Burst - Gate .......................................................................... 62

CH1 / CH2 (AFG-3022/AFG-3032 Only) ............................. 63

UTIL (AFG-3021/3031) ........................................................ 63

UTIL (AFG-3022/AFG-3032) ................................................ 64

UTIL - Interface ..................................................................... 64

UTIL - Interface - LAN .......................................................... 65

UTIL - Interface - LAN - Config - Manual ............................. 66

UTIL - System ....................................................................... 66

UTIL - Dual Channel ............................................................. 67

Default Settings ................................................................ 68

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27

QUICK REFERENCE

Background

The AFG-30XX has three main types of digital
inputs: the number pad, selection keys and scroll
wheel. The following instructions will show you
how to use the digital inputs to edit parameters.

1. To select a menu item, press the corresponding
function keys below (F1~F6). In the example
below, the F1 function key corresponds to the
Soft key “Sine”.

2. To edit a digital value, use
the selector key to move the
cursor to the digit that needs
to be edited.

3. Use the scroll wheel to edit
the digit under the cursor.
Clockwise increases the
value, counterclockwise
decreases the value.

0

/

321

4

7 859

6

4. Alternatively, the number
pad can be used to set the
value of a highlighted
parameter.

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How to use the Digital Inputs

28

QUICK REFERENCE

Background

Every key and function has a detailed description
in the help menu.

1.

UTIL

2.

System

F 4

3.

More

F 5

4.

Help

F 2

5.

Keypad

Provides help on any front pan
key that is pressed.

Arbitrary
Waveform

Explains how to create arbitrary
waveforms.

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How to use the Help Menu

Press UTIL.

Press System (F4)[F5 for the
AFG-3021/3031].

Press More (F5).

Press Help (F2).

Use the scroll wheel to
navigate to a help item. Press
Select to choose the item.

el

29

AFG-3021/3022/3031/3032 User Manual

Modulation
Function

Explains how to create
Modulated waveforms.

Sweep Function

Provides help on the Sweep
function.

Burst Function

Provides help on the Burst
function.

DSO Link

Provides help on DSO link.

Hardcopy

Explains how to use the
Hardcopy function.

Dual Channel

Describes how to perform
frequency or amplitude tracking
for the AFG-3022/3032.

6. For example select item 5 to see help on the
sweep function.

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30

QUICK REFERENCE

7.

8.

Return

F 6

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Use the scroll wheel to navigate to each help
page.

Press F6 to return to the
previous menus.

31

AFG-3021/3022/3031/3032 User Manual

Example

Output

50

W

CH1

42V

MAX

1.

Waveform

Square

2.

Duty

7

5

%

Input: N/A

3.

kHz (F5).

1

kHz

FREQ/Rate

4.

3

VPP

AMPL

5.

Output

Example: Triangle wave, 5Vpp, 10kHz

Output

50

W

CH1

42V

MAX

Input: N/A

1.

Waveform

Triangle

2.

1

0

kHz

FREQ/Rate

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Selecting a Waveform

Square Wave

: Square wave, 3Vpp, 75%duty, 1 kHz

Triangle Wave

Press the Waveform
key and select Square
(F2).

Press Duty(F1),
followed by 7 + 5 +
%(F5)

Press the FREQ/Rate
key, followed by 1 +

Press the AMPL key,
followed by 3 + VPP
(F6).

Press the output key.

Press the Waveform
key and select
Triangle (F3).

Press the FREQ/Rate
key, followed by 1 + 0
+ kHz (F5).

32

3.

5

Vpp

AMPL

4.

Output

Sine Wave

Example: Sine wave, 10Vpp, 100kHz

Output

50

W

CH1

42V

MAX

Input: N/A

1.

Waveform

Sine

2.

FREQ/Rate

1

0 0

kHz

3.

1

0

VPP

AMPL

4.

Output

Example: Pulse wave, 10Vpp, 100kHz, 5us pulse width

Output

50

W

CH1

42V

MAX

Input: N/A

1.

FREQ/Rate

1

0 0

kHz

2.

Waveform

Pulse

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QUICK REFERENCE

Press the AMPL key,
followed by 5 +VPP
(F6).

Press the output key.

Pulse Wave

Press the Waveform
key and select Sine
(F1).

Press the FREQ/Rate
key, followed by 1 + 0
+0 + kHz (F5).

Press the AMPL key,
followed by 1 + 0
+VPP (F6).

Press the output key.

Press the FREQ/Rate
key, followed by 1 + 0
+0 + kHz (F5).

Press the Waveform
key and select Pulse
(F4).

33

3.

Width

5

uSEC

4.

1

0

VPP

AMPL

5.

Output

Noise Wave

Example: White noise output

Output

50

W

CH1

42V

MAX

Input: N/A

1.

Waveform

More

Noise

2.

Output

Example:
up to the 3rd

Output

50

W

CH1

42V

MAX

Input: N/A

1.

(F6), Harmonic (F2).

Waveform

More Harmonic

2.

Total

3

Enter

3.
(F3).

Type ALL

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AFG-3021/3022/3031/3032 User Manual

Press Width (F1),
followed by 5 + uSEC
(F3).

Press the AMPL key,
followed by 1 + 0
+VPP (F6).

Press the output key.

Harmonic Wave

10kHz harmonic sine wave, odd & even (all) harmonics,

order (2nd(5Vpp), 3rd(2Vpp), 0º phase.

Press the Waveform
key and select More
(F6), Noise (F1).

Press the output key.

Press the Waveform
key and select More

Press Total (F1),
followed by 3 + Enter
(F1).

Press Type (F2), ALL

34

QUICK REFERENCE

4.

Order

5.

Order

2

Enter

Ampl

5

VPP

Phase

0

Degree

6.

Order

3

Enter

Ampl

2

VPP

Phase

0

Degree

7.

Output

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Press Order (F3).

Press Order (F1),
followed by 2 + Enter
(F1).

Press Amp(F2),
followed by 5 +
VPP (F2).

Press Phase(F3),
followed by 0 +
Degree (F1).

Press the Order (F1),
followed by 3 + Enter
(F1).

Press Amp(F2),
followed by 2 +
VPP (F2).

Press Phase(F3),
followed by 0 +
Degree (F1).

Press the output key.

35

Modulation

Example
Sine wave carrier. 80% modulation depth.

Output

50

W

CH1

42V

MAX

1.

MOD

AM

2.

Waveform

Sine

Input: N/A

3.

1

kHz

FREQ/Rate

4.

MOD

AM Shape

Square

5.

MOD

AM AM Freq

6.
(F2).

0

0

Hz

1

7.

MOD

AM Depth

8.

8

0

%

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AM

: AM modulation. 100Hz modulating square wave. 1kHz

AFG-3021/3022/3031/3032 User Manual

Press the MOD key
and select AM (F1).

Press Waveform and
select Sine (F1).

Press the Freq/Rate
key, followed by 1 +
kHz (F5).

Press the MOD key,
select AM (F1), Shape
(F4), Square (F2).

Press the MOD key,
select AM (F1), AM
Freq (F3).

Press 1 + 0 + 0 + Hz

Press the MOD key,
select AM (F1), Depth
(F2).

Press 8 + 0 + % (F1).

36

QUICK REFERENCE

9.

MOD

AM Source

INT

10.

Output

Example
s

Output

50

W

CH1

42V

MAX

1.

MOD

FM

2.

Waveform

Sine

Input: N/A

3.

kHz (F5).

1

kHz

FREQ/Rate

4.

MOD

FM Shape

Square

5.

MOD

FM FM Freq

6.

0

0

Hz

1

7.

MOD

FM Freq Dev

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Press MOD, AM (F1),
Source (F1), INT (F1).

Press the output key.

FM

: FM modulation. 100Hz modulating square wave. 1kHz

ine wave carrier. 100 Hz frequency deviation. Internal source.

Press the MOD key
and select FM (F2).

Press Waveform and
select Sine (F1).

Press the Freq/Rate
key, followed by 1 +

Press the MOD key,
select FM (F2), Shape
(F4), Square (F2).

Press the MOD key,
select FM (F2), FM
Freq (F3).

Press 1 + 0 + 0 + Hz
(F2).

Press the MOD key,
select FM (F2), Freq
Dev (F2).

37

AFG-3021/3022/3031/3032 User Manual

8.

0

0

Hz

1

9.

MOD

FM

Source

INT

10.

Output

Example
wave. Triangle wave. 10 Hz

Output

50

W

CH1

42V

MAX

1.

MOD

FSK

2.

Waveform

Triangle

Input: N/A

3.

1

kHz

FREQ/Rate

4.

Rate (F3).

MOD

FSK FSK Rate

5.

1

0

Hz

6.

MOD

FSK Hop Freq

7.

0

0

Hz

1

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Press 1 + 0 + 0 + Hz
(F3).

FSK Modulation

: FSK modulation. 100Hz hop frequency. 1kHz carrier

Press MOD, FM (F2),
Source (F1), INT (F1).

Press the output key.

rate. Internal source.

Press the MOD key
and select FSK (F3).

Press Waveform and
select Triangle (F3).

Press the Freq/Rate
key, followed by 1 +
kHz (F5).

Press the MOD key,
select FSK (F3), FSK

38

Press 1 + 0 + Hz (F2).

Press the MOD key,
select FSK (F3), Hop
Freq (F2).

Press 1 + 0 + 0 + Hz
(F3).

QUICK REFERENCE

8.

MOD

FSK Source

INT

9.

Output

Example: PM modulation. 100Hz phase frequency. Sine wave shape.

180

Output

50

W

CH1

42V

MAX

1.

MOD

PM

2.

Waveform

Sine

Input: N/A

3.

kHz (F5).

1

kHz

FREQ/Rate

4.

MOD

PM Shape

Sine

5.

MOD

PM PM Freq

6.

0

0

Hz

1

7.

MOD

PM Phase Dev

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Press MOD, FSK (F3),
Source (F1), INT (F1).

Press the output key.

PM

° phase deviation. 1kHz sine wave carrier.

Press the MOD key
and select PM (F4).

Press Waveform and
select Sine (F1).

Press the Freq/Rate
key, followed by 1 +

Press the MOD key,
select PM (F4), Shape
(F4), Sine (F1).

Press the MOD key,
select PM (F4), PM
Freq (F3).

Press 1 + 0 + 0 + Hz
(F2).

Press the MOD key,
select PM (F4), Phase
Dev (F2).

39

AFG-3021/3022/3031/3032 User Manual

8.

8

0

Degree

1

Example: SUM modulation. 100Hz SUM frequency. 50% SUM
amplitude. 1kHz carrier sine wave. Triangle wave shape. Internal
source.

Output

50

W

CH1

42V

MAX

1.

MOD

SUM

2.

Waveform

Sine

Input: N/A

3.

1

kHz

FREQ/Rate

4.

Freq (F3).

MOD

SUM SUM Freq

5.

0

Hz

1

0

6.

MOD

SUM SUM Ampl

7.

0

%

5

8.

(F3).

MOD

SUM Shape

Triangle

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SUM Modulation

Press 1 + 8 + 0 +
Degree (F1).

Press the MOD key
and select SUM (F5).

Press Waveform and
select Sine (F1).

Press the Freq/Rate
key, followed by 1 +
kHz (F5).

Press the MOD key,
select SUM (F5), SUM

Press 1 + 0 + 0 + Hz
(F2).

Press the MOD key,
select SUM (F5), SUM
Ampl (F2).

Press 5 + 0 + % (F1).

Press the MOD key,
select SUM (F5),
Shape (F4), Triangle

40

QUICK REFERENCE

9.

MOD

SUM

Source

INT

10.

Output

Example
modulat

Output

50

W

CH1

42V

MAX

1.

Waveform

Square

2.

MOD

PWM

Input: N/A

3.

0

8

FREQ/Rate

0

0

Hz

4.

MOD

PWM Shape

Sine

5.

MOD

PWM PWM Freq

6.

1

5

kHz

7.

MOD

PWM Duty

8.

5

0

%

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PWM Modulation

: PWM modulation. 800Hz carrier wave. 15 kHz

ing sine wave. 50% duty cycle. Internal source.

Press MOD, SUM
(F5), Source (F1), INT
(F1).

Press the output key.

Press Waveform and
select Square (F2).

Press the MOD key
and select PWM (F6).

Press the FREQ/Rate
key, followed by 8 +
+ 0 + Hz (F4).

Press the MOD key,
select PWM (F6),
Shape (F4), Sine (F1).

Press the MOD key,
PWM (F6), PWM
Freq (F3).

Press 1 + 5 + kHz
(F3).

Press MOD, PWM
(F6), Duty (F2).

Press 5 + 0 + % (F1).

41

AFG-3021/3022/3031/3032 User Manual

9.

MOD

PWM Source

INT

10.

Output

Example
1MHz. Log sweep, 1 second sweep, manual trigger.

Output

50

W

CH1

42V

MAX

1.
(F3).

Sweep

Start

2.

0

mHz

1

3.

Sweep

Stop

Inp

4.

1

MHz

5.

Sweep

Type/MOD Functions

Log

6.

Sweep

SWP Time

7.

1

SEC

8.

Sweep

TRIG Type Manual

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Sweep

: Frequency sweep. Start frequency 10mHz, stop frequency

ut: N/A

Press MOD, PWM
(F6), Source (F1), INT
(F1).

Press the output key.

Press Sweep, Start

Press 1 + 0 + mHz
(F2).

Press Sweep, Stop
(F4).

Press 1 + MHz (F5).

Press Sweep,
Type/MOD (F2),
Functions (F3), Log
(F2).

Press Sweep, SWP
Time (F5).

Press 1 + SEC (F2).

Press Sweep, TRIG
Type (F6), Manual
(F3).

42

9.

Output

10.

Trigger

Burst

Example

frequency,
internal trigger, 10 us delay.

Output

50

W

CH1

42V

MAX

1.
kHz (F5).

1

kHz

FREQ/Rate

2.

Burst

N Cycle Cycles

Input: N/A

3.

5

Cyc

4.

Burst

N Cycle Period

5.
(F2).

0

mSEC

1

6.

Burst

N Cycle Phase

7.

0

Degree

8.

Burst

N Cycle Trig Setup

INT

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QUICK REFERENCE

Press the output key.

Press Trigger (F1).

: Burst mode, N-Cycle (Internally triggered), 1kHz burst

burst count = 5, 10 ms burst period, 0˚ burst phase,

Press FREQ/Rate 1

Press Burst, N Cycle
(F1), Cycles (F1).

Press 5 + Cyc (F5).

Press Burst, N Cycle
(F1), Period (F4).

Press 1 + 0 + msec

Press Burst, N Cycle
(F1), Phase (F3).

Press 0 + Degree (F5).

Press Burst, N Cycle
(F1), TRIG Setup (F5),
INT (F1).

43

AFG-3021/3022/3031/3032 User Manual

9.

Burst

N Cycle Trig Setup

Delay

10.

0

uSEC

1

11.

Output

Example: ARB Mode,

32767.

Output

50

W

CH1

42V

MAX

1.

ARB

Built in Basic

More Exp Rise

2.

0

EnterStart

3.

01

Length

0

Enter Return

4.

23

Scale

7

6

Enter Done

7

Example: ARB Mode, Pulse. Start 0, Frequency 1kHz, Duty 25%.

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Press Burst, N Cycle
(F1), TRIG Setup (F5),
Delay (F4).

Press 1 + 0 + uSEC
(F2).

Press the output key.

ARB

ARB – Add Built-In Waveform

exponential rise. Start 0, length 100, scale

Press ARB, Built in
(F3), Basic (F1), More
(F5), Exp Rise (F1).

Press Start (F1), 0 +
Enter (F5).

Press Length (F2),
100, Enter (F5).

Press Scale (F3),
32767, Enter (F5),
Done (F4).

ARB – Add Built-In Waveform - Pulse

44

QUICK REFERENCE

Output

50

W

CH1

42V

MAX

1.

ARB

Built in Basic

More Pulse

2.

1

kHzFrequency

3.

2

Duty

5

% Return

Example

Output

50

W

CH1

42V

MAX

1.

ARB

Edit Point

Address

2.

0

Enter4Return

3.

03

Data

0

0 0

Enter

Example

Output

50

W

CH1

42V

MAX

1.

(F1).

ARB

Edit Line

Start ADD

2.

0

Enter1Return

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ARB - Add Point

: ARB Mode, Add point, Address 40, data 30,000.

Press ARB, Built in
(F3), Basic (F1), More
(F5), Pulse (F4).

Press Frequency (F1),
1, kHz (F5).

Press Duty (F2), 25,
%(F5).

ARB - Add Line

: ARB Mode, add line, address: data (10:30, 50:100)

Press ARB, Edit (F2),
Point (F1), Address
(F1).

Press 4 + 0 + Enter
(F5).

Press Data (F2),
3+0+0+0+0, Enter
(F5).

Press ARB, Edit (F2),
Line (F2), Start ADD

Press 1 + 0 + Enter
(F5).

45

AFG-3021/3022/3031/3032 User Manual

3.

03

Start Data

Enter Return

4.

05

Stop ADD

Enter Return

5.

01

Stop Data

0

Enter Done

Example

Output

50

W

CH1

42V

MAX

1.

ARB

Output

2.

0

EnterStart

3.

01

Length

0

0

Enter Return

Example: ARB Mode, Output N Cycle, Start 0, Length 100

10.

Output

50

W

CH1

42V

MAX

1.

ARB

Output

2.

0

EnterStart

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Press Start Data (F2),
3 + 0, Enter (F5).

Press Stop ADD (F3),
5 + 0, Enter (F5).

Press Stop Data (F4),
1 + 0 + 0, Enter (F5),
Done (F5).

ARB – Output Section

: ARB Mode, output ARB waveform, start 0, length 1000.

Press ARB, Output
(F6).

Press Start (F1), 0 +
Enter (F5).

Press Length (F2), 1 +
0 + 0 + 0, Enter (F5).

ARB – Output N Cycle

46

Press ARB, Output
(F6).

Press Start (F1), 0 +
Enter (F5).

0, N Cycle

QUICK REFERENCE

3.

01

Length

0

0

Enter Return

4.

N Cycle

5.
0, Enter (F5).

1

Cycles

0

Enter Return

6.

Trigger

Example: ARB Mode,
i

Output

50

W

CH1

42V

MAX

1.

ARB

Output

2.

0

EnterStart

3.

01

Length

0

0

Enter Return

4.

Infinite

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Press Length (F2), 1 +
0 + 0, Enter (F5).

Press N Cycle (F4).

Press Cycles (F1), 1 +

To trigger the output
once, press Trigger
(F5).

ARB – Output Infinite Cycles

output N cycle, start 0, length 1000, cycles

nfinite.

Press ARB, Output
(F6).

Press Start (F1), 0 +
Enter (F5).

Press Length (F2), 1 +
0 + 0, Enter (F5).

Press Infinite (F5).

47

AFG-3021/3022/3031/3032 User Manual

Example

1.
(F1).

UTIL

Memory

2.

Store Done

Example

1.

UTIL

Memory

2.

Recall Done

Example

GPIB

GPIB

1.

UTIL

Interface GPIB

Address

2.

1

0

Done

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Utility Menu

Save

: Save to memory file #5.

Recall

: Recall memory file #5.

Interface GPIB

: GPIB interface, address 10.

Press UTIL, Memory

Choose a file using
the scroll wheel and
press Store (F1), press
Done (F5).

Press UTIL, Memory
(F1).

Choose a file using
the scroll wheel and
press Recall (F2),
press Done (F5).

48

Press UTIL, Interface
(F2), GPIB (F1),
Address (F1).

Press 1 + 0 + Done
(F5).

Interface LAN

Example: LAN interface, DHCP IP configuration.

LAN

LAN

1.

UTIL

Interface LAN

2.

Config DHCP

3.

Done

Example

USB B

1.

UTIL

Interface USB

Example: 1kHz offset coupling. AFG-3022, 3032 only.

Output

50

W

CH1

42V

MAX

1.

UTIL

Dual Ch Freq Cpl

2.

Offset

1

kHz

Example: Amplitude coupling

Output

1.

UTIL

Dual Ch Ampl

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QUICK REFERENCE

Press UTIL, Interface
(F2), LAN (F3).

Press Config (F2),
DHCP (F1).

Press Done (F3).

Interface USB

: USB interface.

Press UTIL, Interface
(F2), USB (F2).

Dual Channel – Frequency Coupling

Press UTIL, Dual Ch
(F5), Freq Cpl (F1).

Press Offset (F2), 1 +
0 + kHz (F4).

Dual Channel – Amplitude Coupling

. AFG-3022, 3032 only.

Press UTIL, Dual Ch
(F5), Ampl Cpl (F2).

49

AFG-3021/3022/3031/3032 User Manual

50

W

CH1

42V

MAX

2.

ON

Example: Inverted tracking

Output

50

W

CH1

42V

MAX

1.

UTIL

Dual Ch Tracking

2.

Inverted

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Press ON (F1).

Dual Channel – Tracking

Press UTIL, Dual Ch
(F5), Tracking (F3).

Press Inverted (F3).

. AFG-3022, 3032 only.

50

Menu Tree

Convention

Use the menu trees as a handy reference for the
function generator functions and properties. The AFG­3021/3022/3031/3032 menu system is arranged in a
hierarchical tree. Each hierarchical level can be
navigated with the operation or soft menu keys.
Pressing the Return soft key will return you to the
previous menu level.

For example: To set the interface to USB;
(1)Press the UTIL key.
(2)The Interface soft-key.
(3) USB.

GPIB USB LAN Return

Clear
Done

Return

Address

Return

Interface

UTIL

1

2

3

Level 2

Level 3

Level 4

Level 5

Level 1

Go to the

UTIL –
Interface –
LAN menu

Duty

%

Return

Waveform

SYM

%

Return

Sine Square Triangle Pulse Ramp More

Go to the

Pulse menu

Go to the

More menu

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QUICK REFERENCE

Waveform

51

AFG-3021/3022/3031/3032 User Manual

Waveform

nSEC
uSEC

mSEC

SEC

Return

Width DUTY Rise Fall Edge Time

Pulse

nSEC
uSEC

mSEC

SEC

Return

nSEC
uSEC

mSEC

SEC

Return

nSEC
uSEC

mSEC

SEC

Return

%

Return

Extended

ON

OFF

Return

Waveform

More

Noise Harmonic DC

Type Order Display

Even

Odd

All

User

Order

mVPP

VPP

Return

Ampl

Phase

Frequency

Time

Return

Total

Enter

Return

Return

Enter

Return

Degree

Return

Return

OFF

ON

Return

Return

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Waveform - Pulse

Waveform - More

52

ARB-Display

Horizon Vertical Next Page Back Page Overview Return

Display

ARB

Clear
Enter

Return

Start

Clear
Enter

Return

Length

Clear
Enter

Return

Center

Zoom in

Zoom out

Return

Clear
Enter

Return

Low

Clear
Enter

Return

High

Clear
Enter

Return

Center

Zoom in

Zoom out

Return

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QUICK REFERENCE

53

ARB-Edit

Point Line Copy Clear Protect Return

Edit

ARB

Clear
Enter

Return

Address

Clear
Enter

Return

Data

Return

Clear
Enter

Return

Start ADD

Clear
Enter

Return

Start Data

Clear
Enter

Return

Stop ADD

Done

Return

Clear
Enter

Return

Stop Data

Clear
Enter

Return

Start

Clear
Enter

Return

Length

Clear
Enter

Return

Paste To

Done

Return

Clear
Enter

Return

Start

Clear
Enter

Return

Length

Done

All

Done

Return

Return

All

Done

Clear
Enter

Return

Start

Clear
Enter

Return

Length

Done

Unprotect

Done

Return

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AFG-3021/3022/3031/3032 User Manual

54

QUICK REFERENCE

Basic Common 1 Common 2 Math More Return

Built in

ARB

Trig

arccos
arctan

sech

arccot

arctanh

sinh

arccsc

cosh

tan

arcsec

cot

tanh

arcsin

csc

arcsinh

sec

Sine

Square

Ramp

Sinc

Exp Rise

Exp Fall

DC

Pulse

abstan

havercosine

sinever

abssin

haversine
stair_down
absinehalf

n_pulse
stair_ud

ampalt

negramp

stair_up

attalt

rectpuls

stepresp

diric_even

roundhalf

trapezia

diric_odd

sawtoot

tripuls

gauspuls

sinetra

dlorentz

ln

sqrt

since

lorentz

xsquare

gauss

Window

barthannwin

chebwin

kaiser

bartlett

flattopwin

triang

blackman

hamming
tukeywin

bohmanwin

hann

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ARB-Built-in

Note: The following menu tree only lists where each built-in ARB
waveform is located.

55

AFG-3021/3022/3031/3032 User Manual

Sine Square Ramp Sinc More Return

Basic

ARB

Clear
Enter

Return

Start

Clear
Enter

Return

Length

Clear
Enter

Return

Scale

Clear
Enter

Return

Start

Clear
Enter

Return

Length

Clear
Enter

Return

Scale

Done

Return

Done

Return

Clear
Enter

Return

Start

Clear
Enter

Return

Length

Clear
Enter

Return

Scale

Done

Return

Clear
Enter

Return

Start

Clear
Enter

Return

Length

Clear
Enter

Return

Scale

Done

Return

Go to ARB

Built in -

Basic –

More menu

Built in

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ARB-Built in-Basic

Note: For brevity, only the “Basic” menu tree is listed for the ARB >

Built-in menu tree system. The operation menu keys for all the other
built-in ARB waveforms are mostly identical to the ones listed below.

56

ARB-Save

Start Length Memory USB Return

Save

ARB

Clear
Enter

Return

Select

Return

Clear
Enter

Return

Select

Enter Char

Back Space

Save

Return

New Folder

Enter Char

Back Space

Save

Return

New File

Return

To Memory USB Return

Load

ARB

Clear
Enter

Return

Select

Return

Select

Return

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QUICK REFERENCE

ARB-Load

57

ARB-Output

Output

ARB

Start Length

Clear
Enter

Return

Clear
Enter

Return

N Cycle ReturnInfinite

Clear
Enter

Return

Cycles

EXT
Manual
Trigger

Return

Gate

Pos

Neg

Return

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AFG-3021/3022/3031/3032 User Manual

58

MOD

MOD

INT

EXT

Return

Source

%

Return

Depth

mHz

Hz

kHz

Return

AM Freq

Sine

Square

Triangle
UpRamp
DnRamp

Return

Shape

Return

INT

EXT

Return

Source

%

Return

Duty

mHz

Hz

kHz

Return

PWM Freq

Sine

Square

Triangle
UpRamp
DnRamp

Return

Shape

Return

INT
EXT

Return

Source

uHz

mHz

Hz

kHz

MHz

Return

Hop Freq

FSK Rate

Return

mHz

Hz

kHz

Return

INT

EXT

Return

Source

%

Return

SUM Ampl

Return

Degree

Return

Phase Dev

INT

EXT

Return

Source

uHz

mHz

Hz

kHz

MHz

Return

Freq Dev

mHz

Hz

kHz

Return

FM Freq

Sine

Square

Triangle
UpRamp
DnRamp

Return

Shape

Return

mHz

Hz

kHz

Return

PM Freq

Sine

Square

Triangle
UpRamp
DnRamp

Return

Shape

Return

SUM Freq

mHz

Hz

kHz

Return

Sine

Square

Triangle
UpRamp
DnRamp

Return

Shape

AM PWMFM FSK PM SUM

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QUICK REFERENCE

59

AFG-3021/3022/3031/3032 User Manual

mSEC

SEC

Return

TRIG Type Type/MOD Start Stop SWP Time More

SWEEP

INT

EXT

uHz

mHz

Hz

kHz

MHz

Return

uHz

mHz

Hz

kHz

MHz

Return

Go to the

Sweep -

Frequency -

More menu

Manual

Trigger
Return

OFF

mSEC

SEC

Return

TRIG Time

Return

Freq

Ampl

Return

Type

Mode

Cont

Gate

Return

Functions

Linear

Log

Return

Sawtooth

Triangle

Return

More

Sweep

Span Center Return

uHz
mHz

Hz

kHz

MHz

Return

uHz

mHz

Hz

kHz

MHz

Return

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Sweep - Type/MOD = Frequency

Sweep - More

60

QUICK REFERENCE

mSEC

SEC

Return

TRIG Type Type/MOD Start Stop SWP Time Return

SWEEP

INT

EXT

dBm

mVRMS

VRMS
mVPP

VPP

Return

dBm

mVRMS

VRMS
mVPP

VPP

Return

Manual

Trigger
Return

OFF

mSEC

SEC

Return

TRIG Time

Return

Freq

Ampl

Return

Type

Mode

Cont

Gate

Return

Functions

Linear

Log

Return

Sawtooth

Triangle

Return

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Sweep - Type/MOD = Amplitude

61

Burst – N Cycle

Cycles Infinite Phase Period

Clear

Cyc

Return

N Cycle

Burst

TRIG Setup Return

Clear
Degree
Return

uSEC

mSEC

SEC

Return

Int

Rise

Fall

Return

EXT

Trigger
Return

Manual

nSEC
uSEC

mSEC

SEC

Return

Delay

Return

Polarity Phase Return

Pos
Neg

Return

Gate

Burst

Clear

Degree

Return

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AFG-3021/3022/3031/3032 User Manual

Burst - Gate

62

QUICK REFERENCE

Load Phase DSO-Link

50 OHM

High Z

Return

CH1

0 Phase
Sync Int

Degree

Align Phase

Return

Search

CH1
CH2
CH3
CH4

Return

CH2

/

UTIL

Memory Interface Cal. Load System

Done

Return

Store

Done

Return

Recall

Delete

Self Test

Version

Upgrade

Return

Software

Return

Done

Return

Delete All

Done

Return

Go to the

UTIL –

Interface

menu

Return

50 OHM

High Z
Return

Go to the

UTIL –

System

menu

DSO-Link

Search

CH1
CH2
CH3
CH3

Return

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CH1 / CH2 (AFG-3022/AFG-3032 Only)

UTIL (AFG-3021/3031)

63

AFG-3021/3022/3031/3032 User Manual

UTIL

Memory Interface Cal. System Dual Ch

Done

Return

Store

Done

Return

Recall

Delete

Self Test

Version

Upgrade

Return

Software

Return

Done

Return

Delete All

Done

Return

Go to the

UTIL –

Interface

menu

Return

Go to the

UTIL –

System

menu

Go to the

UTIL – Dual

Ch menu

GPIB USB LAN Return

Clear
Done

Return

Address

Return

Interface

UTIL

Go to the

UTIL –

Interface -

LAN menu

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UTIL (AFG-3022/AFG-3032)

UTIL - Interface

64

QUICK REFERENCE

Go To

UTIL – Interface

– LAN Config –

Manual menu

Interface

UTIL

LAN

Remote Config Done Return

DHCP

Auto IP
Manual

Enter Char

Done

Return

Host Name

Done

Return

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UTIL - Interface - LAN

65

AFG-3021/3022/3031/3032 User Manual

Interface

UTIL

LAN

Config

Manual

IP Addr NetMask Gateway Done

Done
Clear

Return

Return

Done
Clear

Return

Done

Clear

Return

簡體中文

English

繁體中文

Return

Language Display Opt. Clk Source Beep More

INT

EXT

EXT Sync

Return

Suspend

ON

Return

Display

Brightness

Return

Enter

Return

System

UTIL

Return

Last

Default

Return

Power ON

Help

Select

Return

Single

Dual

Return

Display

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UTIL - Interface - LAN - Config - Manual

UTIL - System

66

QUICK REFERENCE

Freq Cpl Ampl Cpl Tracking Return

OFF

ON

Inverted

Return

ON

OFF

Return

Dual Ch

UTIL

uHz

mHz

Hz

kHz

MHz

Return

Offset

Ratio

OFF

Return

Enter

Return

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UTIL - Dual Channel

67

AFG-3021/3022/3031/3032 User Manual

Here are the default panel settings which appear
when pressing the Preset key.

Preset

Output Config.

Function

Sine wave

Frequency

1kHz

Amplitude

3.000 Vpp

Offset

0.00V dc

Output units

Vpp

Output terminal

50Ω

Modulation
(AM/FM/FSK)

Carrier Wave

1kHz Sine wave

Modulation waveforms

100Hz Sine wave

AM Depth

100%

FM Deviation

100Hz

FSK Hop Frequency

100Hz

FSK Frequency

10Hz

PWM Duty

50%

PWM Frequency

20kHz

Modem Status

Off

Sweep

Start/Stop frequency

100Hz/1kHz

Sweep time

1s

Start/Stop amplitude

1.000/3.000 Vpp

Sweep function

Linear

Sweep status

Off

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Default Settings

68

QUICK REFERENCE

Burst

Burst Frequency

1kHz

Ncycle

1 Burst period

10ms

Burst starting phase
0˚

Burst status

Off

Trigger

Trigger source

Internal (immediate)

Interface config.

GPIB Address

10 Interface

USB

LAN

DHCP

Calibration

Calibration Menu

Restricted

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69

AFG-3021/3022/3031/3032 User Manual

Select a Channel ................................................................ 71

CH1/CH2 ............................................................................. 71

Select a Waveform ............................................................. 72

Sine Wave ............................................................................. 72

Setting a Square Wave ......................................................... 73

Triangle Wave ....................................................................... 74

Setting the Pulse Width ....................................................... 75

Setting the Pulse Rise & Fall Time ...................................... 76

Setting the Pulse Edge Time ................................................ 77

Setting the Pulse Duty Time ................................................ 78

Setting the Pulse Extended mode ........................................ 79

Setting a Ramp ..................................................................... 80

Noise Wave .......................................................................... 81

Harmonic Wave ................................................................... 81

Harmonic Order................................................................... 82

Harmonic Characteristics .................................................... 84

DC Wave ............................................................................... 85

Setting the Waveform Frequency ........................................ 86

Setting the Amplitude .......................................................... 88

Setting the DC Offset ........................................................... 89

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OPERATION

The Operation chapter shows how to output basic waveform
functions. For details on modulation, sweep, burst and arbitrary
waveforms, please see the Modulation and Arbitrary waveform
chapters on pages 90 and 175. For information on the dual channel
and multi-unit operation, please see page 179 & 187, respectively.

70

OPERATION

Panel Operation

1. Press the CH1 or CH2 key.

CH1

2. The selected channel will be visible while the
deselected channel will be dimmed.

In the screen shot below, CH1 is selected.

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Select a Channel

As the AFG-3022 or AFG-3032 are dual channel models, the desired
output channel must first be selected before assigning the operation
for that channel.

CH1/CH2

71

AFG-3021/3022/3031/3032 User Manual

Panel Operation

1.

Waveform

2.

Sine

F 1

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Select a Waveform

The AFG-30XX can output 8 standard waveforms: sine, square,
triangle, pulse, ramp, noise, harmonic and DC waveforms.

Sine Wave

Press the Waveform key.

Press F1 (Sine).

72

OPERATION

Panel Operation

1.

Waveform

2.

Square

F 2

3.

DUTY

F 1

4.

0

/

321

4

7 859

6

5.

%

F 5

Range

Duty Range

20%~80%
40%~60%

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Setting a Square Wave

Press the Waveform key.

Press F2 (Square) to create a
square waveform.

Press F1 (Duty). The Duty
parameter will be highlighted
in the parameter window.

Use the selector keys and
scroll wheel or number pad
to enter the Duty range.

Press F5 (%) to choose %
units.

Frequency

≤25MHz
(20MHz AFG-3021/3022)

25MHz~≤30MHz

73

Triangle Wave

Pane

1.

Waveform

2.

Triangle

F 3

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AFG-3021/3022/3031/3032 User Manual

l Operation

Press the Waveform key.

Press F3 (Triangle).

74

OPERATION

Fall timeRise time

Pulse Width

Period

50%

90%

10%

90%

50%

10%

Panel Operation

1.

Waveform

2.

Pulse

F 4

3.

Width

F 1

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Setting the Pulse Width

The pulse width settings depend on the rise & fall time settings or
the edge time setting and the period settings, as defined below:

Pulse Width - 0.625 * [(Rise Time - 0.6nS) + (Fall Time - 0.6nS)] ≧ 0

Period ≧ Pulse Width+ 0.625 * [(Rise Time - 0.6nS)+(Fall Time -

0.6nS)]

Pulse width is defined as the time from the 50% rising edge
threshold to the 50% falling edge threshold of one full period.

See page 76 to set the rise and fall time settings and page 77 for the
edge time settings. Alternatively, instead of setting the pulse width,
the pulse duty can be set, see page 78 for details. The Extended
Mode function extends the setting range of the pulse duty to 0%­100% and the setting range of the width to 0.00ns-1000ks (see page

79).

Press the Waveform key.

Press F4 (Pulse) to create a
pulse waveform.

Press F1 (Width). The Width
parameter will be highlighted
in the parameter window.

75

AFG-3021/3022/3031/3032 User Manual

4.

0

/

321

4

7 859

6

5.

nSEC

F 2

~

SEC

F 5

Range

20

Freq
(20MHz AFG
pulse width

Freq

Panel Operation

1.

Waveform

2.

Pulse

F 4

3.

Rise

F 3

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Use the selector keys and
scroll wheel or number pad
to enter the pulse width.

Press F2~F5 choose the unit
range.

Pulse Width

Resolution:

Note

Setting the Pulse Rise & Fall Time

Press the Waveform key.

ns~999.83ks

< 25MHz

-3021/3022): 0.01ns

(or 3 digit resolution)

< 8.5 kHZ: 0.0001% duty cycle

76

Press F4 (Pulse) to create a
pulse waveform.

Press F3 (Rise) or F4 (Fall).
The Rise or Fall parameter
will be highlighted in the
parameter window.

OPERATION

4.

0

/

321

4

7 859

6

5.

nSEC

F 2

~

SEC

F 5

6.

Range

9.32ns

Width

0.6nS) + (Fall Time

Period
Time

Panel Operation

1.

Waveform

2.

Pulse

F 4

3.

Edge Time

F 5

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Use the selector keys and
scroll wheel or number pad
to enter the rise or fall time.

Press F2~F5 to choose the
unit range.

Repeat the above steps for the opposite edge
time.

Minimum

~ 799.89ks

rise/fall time:

Note

Duty
Considerations:

- 0.625 * [(Rise Time -

- 0.6nS)] ≧ 0

≧ Width+ 0.625 * [(Rise

- 0.6nS)+(Fall Time - 0.6nS)]

Setting the Pulse Edge Time

The edge time sets the rise and fall time to the same value. The edge
time setting can affect the settable pulse width time.

Press the Waveform key.

Press F4 (Pulse) to create a
pulse waveform.

Press F5 (Edge Time). The
Edge Time parameter will be
highlighted in the parameter
window.

77

AFG-3021/3022/3031/3032 User Manual

4.

0

/

321

4

7 859

6

5.

nSEC

F 2

~

mSEC

F 5

Range

9.32

Width
(Edge Time

Period

1.25*(Edge time

0.0001% duty cycle resolution

Panel Operation

1.

Waveform

2.

Pulse

F 4

3.

in the parameter window.

DUTY

F2

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Use the selector keys and
scroll wheel or number pad
to enter the edge time.

Press F2~F5 to choose the
unit range.

Edge Time Range

Duty

Note

Considerations:

ns~799.89ks

- 1.25 *

- 0.6nS) ≧ 0

≧Pulse Width +

-0.6ns)

Setting the Pulse Duty Time

Instead of setting the pulse width of the pulse, the duty of the pulse
can be set. The settable duty times depend on the rise & fall time
settings, as defined below:

Duty ≧ 0.625×100×[rise time - 0.6ns +fall time - 0.6ns]/period

Or

Duty ≦ 100 - {62.5×[(rise time - 0.6ns) + (fall time - 0.6ns)]/period}

Press the Waveform key.

78

Press F4 (Pulse) to create a
pulse waveform.

Press F2 (DUTY). The DUTY
parameter will be highlighted

OPERATION

4.

0

/

321

4

7 859

6

5.

%

F 1

Range

0.0170%~99.983%

Resolution 0.0001%

Panel Operation

1.

Waveform

2.

Pulse

F 4

3.

F 6

4.

ON

F 1

OFF

F2

Range

0.00

Resolution 0.0001%

0.00ns~1,

Loss may occur if the pulse width is beyond the
setting range of the normal mode.
vanish at times.

The setting range of the rise and fall times are limited
by the puls
mode.

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Use the selector keys and
scroll wheel or number pad
to enter the duty time.

Press F1 to choose the % unit.

Duty Range

Setting the Pulse Extended mode

The Extended Mode function extends the setting range of the pulse
duty and the width.

Press the Waveform key.

Press F4 (Pulse) to create a
pulse waveform.

Press F6 (Extended) to enter
the Extended menu.

Press F1 (ON) or F2 (OFF) to
enable or disable the
extended mode.

Duty Range (Extd.)

Width Range (Extd.)

Note

Note

e width and the frequency as in normal

00%~100.0000%

000ks

The pulse may

79

AFG-3021/3022/3031/3032 User Manual

Panel Operation

1.

Waveform

2.

Ramp

F 5

3.

SYM

F 1

4.

0

/

321

4

7 859

6

5.

%

F 5

Range

0%~100%

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Setting a Ramp

Press the Waveform key.

Press F5 (Ramp) to create a
ramp waveform.

Press F1 (SYM). The SYM
parameter will be highlighted
in the parameter window.

Use the selector keys and
scroll wheel or number pad
to enter the symmetry
percentage.

Press F5 (%) to choose %
units.

Symmetry

80

Noise Wave

Panel Operation

1.

Waveform

2.

More

F 6

3.

Noise

F 1

Panel Operation

1.

Waveform

2.

More

F 6

3.

Harmonic

F2

4.

Total

F1

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OPERATION

Press the Waveform key.

Press F6 (More).

Press F1 (Noise).

Harmonic Wave

The harmonic wave function creates a harmonic sine wave with a
designated number of harmonics.

Press the Waveform key.

Press F6 (More).

Press F2 (Harmonic).

Press F1 (Total) to choose the
total number of harmonics.
This includes the
fundamental harmonic.

81

AFG-3021/3022/3031/3032 User Manual

5.

0

/

321

4

7 859

6

Range

2 ~ 8

6.

Enter

F1

Panel Operation

1.

Waveform

2.

More

F 6

3.

Harmonic

F2

4.

Type

F2

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Use the selector keys and
scroll wheel or number pad
to enter the number of
harmonics.

Number of harmonics

Press F1 (Enter).

Harmonic Order

After the total number of harmonics has been selected(above), you
can also select which harmonic orders are used: odd, even, all or a
user-defined set.

Press the Waveform key.

82

Press F6 (More).

Press F2 (Harmonic).

Press F2 (Type).

OPERATION

5.

Even

F1

~

User

F4

Ra

Even, Odd, ALL, User

Selecting User
Defined Orders

1.

2.

display screen.

Selected orders

Cursor

Deselected orders

Order

<1

st

, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th >

3.

OFF

F1

ON

F2

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Press F1 ~ F4 to chose which
harmonic orders to include in
the resultant harmonic
waveform.

Note: You may have to wait a short while for
the meter to process the waveform.

nge Harmonic

-

If User was chosen, each order can be
individually selected or deselected.

Turn the User defined orders on or off:

Turn the scroll wheel to
move the cursor to the

desired order in the “Type”

parameter on the waveform

 Selected orders are shown as green dots.

 Deselected orders are shown as grey dots.

 The cursor is shown as a yellow dot.

 Orders are shown from 1

(right side).

st

(left side) to 8th

Turn the selected order on or
off using the F1 or F2 soft­keys.

83

AFG-3021/3022/3031/3032 User Manual

Panel Operation

1.

Waveform

2.

More

F 6

3.

Harmonic

F2

4.

Order

F3

5.

Order

F1

6.

7.

0

/

321

4

7 859

6

8.

Enter

F5

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Harmonic Characteristics

The amplitude and phase of each harmonic order can individually
set. By default the amplitude is the same as the fundamental
frequency and the phase is set to 0º.

Press the Waveform key.

Press F6 (More).

84

Press F2 (Harmonic).

Press F3 (Order).

Press F1 (Order).

The Order parameter will become highlighted
in red.

Use the selector keys and
scroll wheel or number pad
to select an order.

Press F5 (Enter).

OPERATION

9.

Amplitude

F2

10.

0

/

321

4

7 859

6

11.

mVPP

F 2

~

VPP

F 6

12.

Phase

F3

13.

0

/

321

4

7 859

6

14.

Degree

F5

Panel Operation

1.

Waveform

2.

More

F 6

3.

DC

F3

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Press F2 (Amplitude).

Use the selector keys and
scroll wheel or number pad
to set the amplitude of
previously selected order.

DC Wave

Choose the amplitude unit by
pressing F4~F5.

Press F3 (Phase).

Use the selector keys and
scroll wheel or number pad
to set the phase of the
previously selected order.

Press F5 (Degree).

Press the Waveform key.

Press F6 (More).

Press F3 (DC).

85

AFG-3021/3022/3031/3032 User Manual

Panel Operation

1.

FREQ/Rate

2.

3.

0

/

321

4

7 859

6

4.

uHz

F 2

~

MHz

F 6

Range

1
(20MHz AFG

1
(20MHz AFG

1

1
(20MHz AFG

1

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Setting the Waveform Frequency

Press the FREQ/Rate key.

The FREQ parameter will become highlighted
in the parameter window.

Use the selector keys and
scroll wheel or number pad
to enter the frequency.

Sine

86

Choose a frequency unit by
pressing F2~F6.

μHz~30MHz

Square

Triangle

Pulse

Ramp

μHz~30MHz

μHz~1MHz

μHz~25MHz

μHz~1MHz

-3021/3022)

-3021/3022)

-3021/3022)

OPERATION

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87

AFG-3021/3022/3031/3032 User Manual

Panel Operation

1.

AMPL

2.

3.

0

/

321

4

7 859

6

4.

dBm

F 2

~

VPP

F 6

Range

50

High
1mVpp~10Vpp

2mVpp~20Vpp

Vpp, Vr

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Setting the Amplitude

Press the AMPL key.

The AMPL parameter will become highlighted
in the parameter window.

Use the selector keys and
scroll wheel or number pad
to enter the amplitude.

Choose a unit type by
pressing F2~F6.

Range

Unit

Ω load

ms, dBm

Z

88

OPERATION

Panel Operation

1.

DC Offset

2.

3.

0

/

321

4

7 859

6

4.

mVDC

F 5

VDC

F 6

50

High
±5V

±10V

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Setting the DC Offset

Press the DC Offset key.

The DC Offset parameter will become
highlighted in the parameter window.

Use the selector keys and
scroll wheel or number pad
to enter the DC Offset.

Press F5 (mVDC) or F6 (VDC)
to choose a voltage range.

Range

Ω load

dc

Z

dc

89

AFG-3021/3022/3031/3032 User Manual

Amplitude Modulation (AM) ............................................. 92

Selecting AM Modulation .................................................... 93

AM Carrier Shape ................................................................. 93

Carrier Frequency ................................................................. 94

Modulating Wave Shape ...................................................... 95

AM Frequency ...................................................................... 96

Modulation Depth................................................................ 97

Selecting (AM) Modulation Source ..................................... 99

Frequency Modulation (FM) ............................................ 101

Selecting Frequency Modulation (FM) .............................. 102

FM Carrier Shape ............................................................... 102

FM Carrier Frequency ........................................................ 103

FM Wave Shape ................................................................. 104

Modulation Frequency ....................................................... 105

Frequency Deviation .......................................................... 106

Selecting (FM) Modulation Source ................................... 107

Frequency Shift Keying (FSK) Modulation ........................ 109

Selecting FSK Modulation ................................................. 110

FSK Carrier Shape .............................................................. 110

FSK Carrier Frequency ....................................................... 111

FSK Hop Frequency ........................................................... 112

FSK Rate ............................................................................. 113

FSK Source ......................................................................... 114

Phase Modulation (PM) .................................................. 116

Selecting Phase Modulation (PM) .................................... 117

PM Carrier Shape ............................................................... 117

PM Carrier Frequency ........................................................ 118

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MODULATION

The AFG-3021, AFG-3022, AFG-3031 & AFG-3032 Arbitrary
Function Generators are able to produce AM, FM, FSK and PWM
modulated waveforms as well as swept waveforms (frequency,
amplitude) and burst waveforms. Depending on the type of
waveform produced, different modulation parameters can be set.
Two different modulation modes can be active at the same time for
the AFG-3022 & AFG-3032.

90

MODULATION

PM Wave Shape ................................................................. 119

Modulation Frequency ....................................................... 120

Phase Modulation Deviation ............................................. 121

SUM Modulation ............................................................. 122

Selecting SUM Modulation ................................................ 123

SUM Carrier Shape ............................................................. 123

SUM Carrier Frequency ...................................................... 124

SUM Modulating Wave Shape ........................................... 124

SUM Frequency .................................................................. 125

SUM Amplitude .................................................................. 126

SUM Source ....................................................................... 127

Pulse Width Modulation .................................................. 129

Selecting Pulse Width Modulation .................................... 130

PWM Carrier Shape ............................................................ 130

PWM Carrier Frequency ..................................................... 131

PWM Modulating Wave Shape .......................................... 131

Modulating Waveform Frequency...................................... 132

Modulation Duty Cycle ....................................................... 133

PWM Source ....................................................................... 134

Sweep .............................................................................. 136

Selecting Sweep Mode ....................................................... 137

Sweep Type ......................................................................... 137

Setting Start and Stop Frequency/Amplitude .................... 138

Center Frequency and Span ............................................... 139

Sweep Mode ....................................................................... 141

Sweep Function .................................................................. 141

Sweep Waveform Type ....................................................... 142

Sweep Time ........................................................................ 143

Sweep Trigger Source ......................................................... 145

Burst Mode ..................................................................... 147

Selecting Burst Mode ......................................................... 147

Burst Modes ....................................................................... 147

Burst Frequency ................................................................. 148

Burst Cycle/Burst Count .................................................... 149

Infinite Burst Count ............................................................ 151

Burst Period ........................................................................ 151

Burst Phase ........................................................................ 153

Burst Trigger Source .......................................................... 154

Burst Delay ......................................................................... 156

Gated Trigger Polarity ........................................................ 157

Gated Trigger Phase ........................................................... 157

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91

AFG-3021/3022/3031/3032 User Manual

Modulated Carrier
Waveform

Modulating
waveform

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Amplitude Modulation (AM)

An AM waveform is produced from a carrier waveform and a
modulating waveform. The amplitude of the modulated carrier
waveform depends on the amplitude of the modulating waveform.
The AFG-30XX function generator can set the carrier frequency,
amplitude and offset as well as internal or external modulation
sources. When using the function generator, only one type of
modulated waveform can be created at any one time for the selected
channel.

92

MODULATION

Panel Operation

1.

MOD

2.

AM

F 1

Background

Sine, square, triangle,
arbitrary wavefor
shape.
Harmonic
shape.
choose AM modulation mode, see page

Select a Standard
Carrier Shape

1.

Waveform

2.

Sine

F 1

~

Ramp

F 5

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Selecting AM Modulation

Press the MOD key.

Press F1 (AM).

AM Carrier Shape

Press the Waveform key.

Press F1~F5 to choose the
carrier wave shape.

ramp, pulse, noise or

ms can be used as the carrier

The default waveform shape is set to sine.

and DC are not available as a carrier

Before the carrier shape can be selected,

36 or 95.

93

AFG-3021/3022/3031/3032 User Manual

Select an
Arbitrary
Waveform
Shape.

3.

Page
Page

Range

AM Carrier Shape
r

Panel Operation

1.

FREQ/Rate

2.

3.

0

/

321

4

7 859

6

4.

uHz

F 2

~

MHz

F 6

Range

Carrier Frequency

1
(20MHz AFG

1
(20MHz AFG

1

1
(20MHz AFG

1

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Carrier

See the Arbitrary waveform
quick guide or chapter to use
an arbitrary waveform.

44
175

sine, square, triangle, pulse,

amp, noise, arbitrary waveform

Carrier Frequency

The maximum carrier frequency depends on the carrier shape
selected. The default carrier frequency for all carrier shapes is 1kHz.

With a carrier waveform,
press the FREQ/Rate key.

The FREQ parameter will become highlighted
in the parameter window.

Use the selector keys and
scroll wheel or number pad
to enter the carrier frequency.

Carrier Shape

Continued next page

94

Press F2~F6 to select the
frequency range.

Sine

Square

Triangle

Pulse

Ramp

μHz~30MHz

μHz~30MHz

μHz~1MHz

μHz~25MHz

μHz~1MHz

-3021/3022)

-3021/3022)

-3021/3022)

MODULATION

N/A

125MHz to 1µHz

Panel Operation

1.

MOD

2.

AM

F 1

3.

Shape

F 4

4.

Sine

F 1

~

DnRamp

F 5

Note

50% Duty cycl

100% Symmetry

50% Symmetry

0% Symmetry

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Noise

ARB

Modulating Wave Shape

The function generator can accept internal as well as external
sources. The AFG-30XX has sine, square, triangle, up ramp and
down ramp modulating waveform shapes. Sine waves are the
default wave shape.

Select MOD.

Press F1 (AM).

Press F4 (Shape).

Press F1~F5 to select the
waveform shape.

Square wave

e

UpRamp

Triangle

DnRamp

95

AFG-3021/3022/3031/3032 User Manual

Panel Operation

1.

MOD

2.

AM

F 1

3.

AM Freq

F 3

4.

5.

0

/

321

4

7 859

6

6.

mHz

F 1

~

kHz

F 3

Range

2mHz~20kHz

100Hz

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AM Frequency

The frequency of the modulation waveform (AM Frequency) can be
set from 2mHz to 20kHz.

Press the MOD key.

Press F1 (AM).

Press F3 (AM Freq).

The AM Freq parameter will become
highlighted in the Waveform display area.

Modulation frequency

96

Use the selector keys and
scroll wheel or number pad
to enter the AM frequency.

Press F1~F3 to select the
frequency range.

Default frequency

MODULATION

100x

veVoltageCarrrierWa

eWaveVoltagModulating

DepthModulation 

)

100

1(max

Depth

VcV  Vpp

)

100

1(min

Depth

VcV 

Modulation

Signal

Carrier

Signal

Vc = Carrier Amplitude

Vc

Vmax = Vpp

Vmin

Output

Signal

Vm = Modulation Amplitude

Vm

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Modulation Depth

The modulation depth determines the maximum and minimum
amplitude of the AM waveform. The modulation depth (as a
percentage) is defined by the ratio of the modulating waveform
voltage and the carrier waveform voltage multiplied by 100:

The maximum and minimum peak to peak voltage of the modulated
waveform can then be defined by:

Below is a visual explanation of the relationship between the
modulation signal, carrier signal and the resulting output signal.
Note: Vpp is the amplitude setting on the AFG.

97

AFG-3021/3022/3031/3032 User Manual

Panel Operation

1.

MOD

2.

AM

F 1

3.

Depth

F 2

4.

5.

0

/

321

4

7 859

6

6.

%

F 1

Range

0%~120%

100%

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Press the MOD key.

Press F1 (AM).

Press F2 (Depth).

The AM Depth parameter will become
highlighted in the waveform display area.

Depth

98

Use the selector keys and
scroll wheel or number pad
to enter the AM depth.

Press F1 (%) to choose %
units.

Default depth

MODULATION

Note

When the modulat

output cannot exceed ±5VPeak (

If an external modulation source is selected
modulation depth is limited to ± 5V
INPUT
modulation depth is set to 100%, then
amplitude is +5V, and the minimum amplitude is

Panel Operation

1.

MOD

2.

AM

F 1

3.

Source

F 1

4.

INT

F 1

~

EXT

F 2

External Source

Use the
on the rear panel when using an
external source.

42V

MAX

MOD

For AFG
input
modulation.

Note

If an external modulation source is selected,
modulation depth is limited to ± 5V from the
INPUT
modulation depth is set to 100%, then the maximum
amplitude is +5V, and the minimu

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ion depth is greater than 100%, the

10kΩ load).

,

from the MOD

terminal on the rear panel. For example, if

the maximum

-5V.

Selecting (AM) Modulation Source

The function generator will accept an internal or external source for
AM modulation. The default source is internal.

Press the MOD key.

Press F1 (AM).

Press F1 (Source).

To select the source, press F1
(Internal) or F2 (External).

MOD INPUT terminal

-3022/3032, using the CH1 or CH2 MOD

depends on which channel is used for

terminal on the rear panel. For example, if

MOD

m amplitude is -5 V.

99

AFG-3021/3022/3031/3032 User Manual

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100