Owon AG4081 User manual

Arbitrary Waveform Generator
User Manual
AG4081
AG4101
AG4121
AG4151
www.owon.com.cn

June 2018 edition V2.2.1
Copyright © LILLIPUT Company. All rights reserved.
The LILLIPUT's products are under the protection of the patent rights, including ones which have
already obtained the patent rights and those which are applying for. The information in this manual
will replace all materials published.
The information in this manual was correct at the time of printing. However, LILLIPUT will continue to
improve products and reserves the rights to change specification at any time without notice.
is the registered trademark of the LILLIPUT Company.
Fujian LILLIPUT Optoelectronics Technology Co., Ltd.
No. 19, Heming Road
Lantian Industrial Zone, Zhangzhou 363005 P.R. China
Tel: [phone] Fax: [phone]
Web: www.owon.com.cn E-mail: [e-mail]

General Warranty
OWON warrants that the product will be free from defects in materials and workmanship
for a period of 3 years (1 year for accessories) from the date of purchase of the product
by the original purchaser from the OWON Company. This warranty only applies to the
original purchaser and is not transferable to the third party.
If the product proves defective during the warranty period, OWON either will repair the
defective product without charge for parts and labor, or will provide a replacement in
exchange for the defective product. Parts, modules and replacement products used by
OWON for warranty work may be new or reconditioned like new performance. All
replaced parts, modules and products become the property of OWON.
In order to obtain service under this warranty, customer must notify OWON of the defect
before the expiration of the warranty period. Customer shall be responsible for
packaging and shipping the defective product to the service center designated by OWON,
and with a copy of customer proof of purchase.
This warranty shall not apply to any defect, failure or damage caused by improper use or
improper or inadequate maintenance and care. OWON shall not be obligated to furnish
service under this warranty a) to repair damage resulting from attempts by personnel
other than OWON representatives to install, repair or service the product; b) to repair
damage resulting from improper use or connection to incompatible equipment; c) to
repair any damage or malfunction caused by the use of non-OWON supplies; or d) to
service a product that has been modified or integrated with other products when the
effect of such modification or integration increases the time or difficulty of servicing the
product.
Please contact the nearest OWON's Sales and Service Offices for services or a complete
copy of the warranty statement.
For better after-sales service, please visit www.owon.com.cn and register the purchased
product online.
Excepting the after-sales services provided in this summary or the applicable warranty statements,
OWON will not offer any guarantee for maintenance definitely declared or hinted, including but not
limited to the implied guarantee for marketability and special-purpose acceptability. OWON should
not take any responsibilities for any indirect, special or consequent damages.

i
Table of Contents
1.General Safety Requirements.....................................................................................1
2.Safety Terms and Symbols .........................................................................................2
3.General Characteristics.............................................................................................3
4.Quick Start................................................................................................................4
Front/Rear Panel and User Interface ................................................................................... 5
Front Panel ............................................................................................................................................... 5
Rear Panel ................................................................................................................................................ 6
User Interface........................................................................................................................................... 7
General Inspection.............................................................................................................. 8
Foot Stool Adjustment ........................................................................................................ 8
Power-On Check ................................................................................................................. 8
AC Power Input Setting ............................................................................................................................ 8
Power On.................................................................................................................................................. 9
5.Front Panel Operation............................................................................................ 10
To set signals .....................................................................................................................11
To Output Sine Signals............................................................................................................................ 11
To Set the Frequency/Period ...............................................................................................................................11
To Set the Amplitude ...........................................................................................................................................12
To Set the Offset ..................................................................................................................................................12
To Set the High Level............................................................................................................................................12
To Set the Low Level ............................................................................................................................................12
To Output Square Signals ....................................................................................................................... 12
To Set the Duty Cycle ...........................................................................................................................................13
To Output Ramp Signals ......................................................................................................................... 14
To Set the Symmetry............................................................................................................................................14
To Output Pulse Signals.......................................................................................................................... 15
To Set the Pulse Width / Duty Cycle ....................................................................................................................16
To Set the Edge Time ...........................................................................................................................................16
To Output Noise Signals ......................................................................................................................... 17
To Output Arbitrary Signals.................................................................................................................... 18
To Select the Built-in Waveform...........................................................................................................................18
The User-Definable Waveform.............................................................................................................................19
To Generate the Modulated Waveform ..............................................................................20
AM (Amplitude Modulation) .................................................................................................................. 20
FM (Frequency Modulation) .................................................................................................................. 22
PM (Phase Modulation).......................................................................................................................... 23
FSK (Frequency Shift Keying).................................................................................................................. 24
PWM (Pulse Width Modulation) ............................................................................................................ 25
To Generate Sweep............................................................................................................26

ii
To Generate Burst..............................................................................................................27
Set the N-Cycle Burst.............................................................................................................................. 28
Set the Gated Burst ................................................................................................................................ 29
To Save and Recall .............................................................................................................29
To Use USB Storage ................................................................................................................................ 29
To Edit the File Name ............................................................................................................................. 30
To Set the Utility Function..................................................................................................30
To Set Display Parameter ....................................................................................................................... 30
To Set the Bright ..................................................................................................................................................30
To Set the Separator ............................................................................................................................................30
To Set the Screen Saver........................................................................................................................................31
To Set Output Parameter ....................................................................................................................... 31
To Set the Output Load ........................................................................................................................................31
To Set the Sync Output ........................................................................................................................................32
To Set the DC Output ...........................................................................................................................................33
To Set the I/O ......................................................................................................................................... 33
To Set the Baud Rate............................................................................................................................................33
To Set the LAN .....................................................................................................................................................33
To Set the System................................................................................................................................... 34
Language Setting..................................................................................................................................................34
Power On Setting .................................................................................................................................................34
To Return to Default Setting.................................................................................................................................34
To Set the Beep ....................................................................................................................................................35
View System Information ....................................................................................................................................35
To Set the Clock Source........................................................................................................................................35
To Use Built-in Help ...........................................................................................................36
6.Communication with PC ......................................................................................... 37
Using USB Port...................................................................................................................37
Using LAN Port...................................................................................................................37
Connect directly ..................................................................................................................................... 37
Connect through a router....................................................................................................................... 39
Using COM Port .................................................................................................................40
7.SCPI....................................................................................................................... 41
8.Troubleshooting...................................................................................................... 41
9.Technical Specifications.......................................................................................... 42
10.Appendix............................................................................................................... 46
Appendix A: Enclosure .......................................................................................................46
Appendix B: General Care and Cleaning ..............................................................................46

1.General Safety Requirements
1
1. General Safety Requirements
Before any operations, please read the following safety precautions to avoid any
possible bodily injury and prevent this product or any other products connected from
damage. In order to avoid any contingent danger, this product is only used within the
range specified.
Check AC power input setting according to the standards in your own country (see page 8,
"AC Power Input Setting").
Only the qualified technicians can implement the maintenance.
To avoid Fire or Personal Injury:
Use Proper Power Cord. Use only the power cord supplied with the product and
certified to use in your country.
Product Grounded. This instrument is grounded through the power cord grounding
conductor. To avoid electric shock, the grounding conductor must be grounded. The
product must be grounded properly before any connection with its input or output
terminal.
Check all Terminal Ratings. To avoid fire or shock hazard, check all ratings and
markers of this product. Refer to the user's manual for more information about
ratings before connecting to the instrument.
Do not operate without covers. Do not operate the instrument with covers or panels
removed.
Use Proper Fuse. Use only the specified type and rating fuse for this instrument.
Avoid exposed circuit. Do not touch exposed junctions and components when the
instrument is powered.
Do not operate if in any doubt. If you suspect damage occurs to the instrument,
have it inspected by qualified service personnel before further operations.
Use your instrument in a well-ventilated area. Make sure the instrument installed
with proper ventilation, refer to the user manual for more details.
Do not operate in wet conditions.
Do not operate in an explosive atmosphere.
Keep product surfaces clean and dry.

2.Safety Terms and Symbols
2
2. Safety Terms and Symbols
Safety Terms
Terms in this Manual. The following terms may appear in this manual:
Warning: Warning indicates the conditions or practices that could result in
injury or loss of life.
Caution: Caution indicates the conditions or practices that could result in
damage to this product or other property.
Terms on the Product. The following terms may appear on this product:
Danger: It indicates an injury or hazard may immediately happen.
Warning: It indicates an injury or hazard may be accessible potentially.
Caution: It indicates a potential damage to the instrument or other property might occur.
Safety Symbols
Symbols on the Product. The following symbol may appear on the product:
Hazardous Voltage Refer to Manual
Protective Earth Terminal Chassis Ground
Test Ground

3.General Characteristics
3
3. General Characteristics
The series are multi-function generators which combine Arbitrary Waveform Generation
and Function Generation. The product introduces Direct Digital Synthesizer (DDS)
technology to provide stable, precise, pure and low distortion signal. The user-friendly
interface design and panel layout bring exceptional user experience. Embedded USB
Device, USB Host, LAN, support USB storage device. Provide more alternative solutions
for users.
Features and benefits:
3.9 inch high resolution (480 × 320 pixels) TFT LCD display;
Advanced DDS technology, Max. 150 MHz frequency output;
Max. Sample rate: 400 MSa/s, Frequency resolution: 1 uHz;
Vertical resolution: 14 bits, up to 1M waveform record length;
Abundant waveform output: 5 basic waveforms and 26 built-in arbitrary waveforms
output;
32 channels digital waveform (optional);
Exponential rise, Exponential fall, Sin(x)/x, Staircase, etc. 26 built-in waveforms and
user defined arbitrary waveform;
Abundant modulation functions: AM, FM, PM, FSK, PWM along with output
liner/logarithm sweep and pulse string waveform;
Standard interface: USB Device, USB Host, LAN, COM etc.

4.Quick Start
4
4. Quick Start
This chapter will deal with the following topics mainly:
Front/Rear Panel Overview
User Interface Overview
How to Implement General Inspection
How to Adjust the Foot Stools
How to Implement Power-On Check

4.Quick Start
5
Front/Rear Panel and User Interface
Front Panel
①②③④
⑥
⑰⑬
⑮⑭
⑯
⑱
⑩
⑪
⑦
⑧
⑨
⑫
⑤
Figure 4-1 Front panel overview
①
LCD
Display the user interface
②
Menu selection
buttons
Include 5 buttons: F1 - F5, activate the corresponding menu
③
Number keys
Input parameters, include: number, point and plus/minus sign
④
Knob
Change the current highlighted number, also can be used to
select file location or switch the character of the soft keyboard
when entering file name.
⑤
Direction key
Move the cursor of the focused parameter or select the file
locations
⑥
Save
Store/recall the user-defined arbitrary waveform data
⑦
Utility
Set the auxiliary system function
⑧
Help
View the build-in help information
⑨
Output key
Activate or deactivate the output signal
⑩
Main output
terminal
Output main signal
⑪
Foot stool
Make the instrument to be tilted for ease of operation
⑫
Trigger key
In Sweep and N-Cycle Burst, if you choose Source as