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Arbitrary Waveform Generator

User Manual



AG4081



AG4101



AG4121



AG4151

www.owon.com.cn

Summary of Contents for AG4081

Page 1: ...Arbitrary Waveform Generator User Manual AG4081 AG4101 AG4121 AG4151 www owon com cn ...

Page 2: ...place 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 86...

Page 3: ...t 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 re...

Page 4: ...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 W...

Page 5: ...t 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 ...

Page 6: ... 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 P...

Page 7: ... 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 ap...

Page 8: ...tions 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...

Page 9: ...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 ...

Page 10: ...to select file location or switch the character of the soft keyboard when entering file name Direction key Move the cursor of the focused parameter or select the file locations Save Store recall the user defined arbitrary waveform data Utility Set the auxiliary system function Help View the build in help information Output key Activate or deactivate the output signal Main output terminal Output ma...

Page 11: ...eform is selected the backlight of the button turns on Power button Turn on off the generator Rear Panel Figure 4 2 Rear panel overview 20MHz reference output 20MHz reference input These two connectors are used to synchronize generators The connector 20MHz In accepts an external 20 MHz clock signal and the connector 20MHz Out can output a 20 MHz clock signal generated by the crystal inside the gen...

Page 12: ...n external device such as connected to a PC and controlled via PC software Digital output Connect the generator with the logic signal output module optional Then configure specific sequence digital signal in the generator and output the signal through the digital module User Interface Figure 4 3 User interface take Sine for instance Parameter bar 1 display parameters and edit the focused parameter...

Page 13: ...n touch with the distributor of OWON responsible for this service or the OWON s local offices 3 Check the Complete Instrument If it is found that there is damage to the appearance of the instrument or the instrument can not work normally or fails in the performance test please get in touch with the OWON s distributor responsible for this business or the OWON s local offices If there is damage to t...

Page 14: ... Regulate the Power Switch to the desired voltage scale Power On 1 Connect the instrument to the AC supply using the supplied power cord Warning To avoid electric shock the instrument must be grounded properly 2 Press down the power button at the front panel the screen shows the boot screen ...

Page 15: ...t Sine Signals How to Output Square Signals How to Output Ramp Signals How to Output Pulse Signals How to Output Noise Signals How to Output Arbitrary Signals How to Generate the Modulated Waveform How to Generate Sweep How to Generate Burst How to Save and Recall How to Set the Utility Function How to Use Built in Help ...

Page 16: ...cy Current parameter Parameter bar 1 Parameter bar 2 Figure 5 1 The User Interface of Sine Signal To Set the Frequency Period Press F1 button the chosen menu item is highlighted the focused parameter is displayed in Parameter bar 1 Press F1 button to switch between Frequency Period Two methods to change the chosen parameter Turn the knob to change the value of cursor position in the Parameter bar ...

Page 17: ...e Parameter bar 2 a cursor appears under the value of amplitude Use the knob or the number keys to set the desired value To Set the Low Level Press F3 confirm whether the Lo_Level menu item is highlighted if not press F3 to switch into Lo_Level In the Parameter bar 2 a cursor appears under the value of offset Use the knob or the number keys to set the desired value To Output Square Signals Press b...

Page 18: ...hole Period To Set the Duty Cycle 1 Press F4 button the Duty menu item is highlighted the current value of the Duty cycle is displayed in Parameter bar 1 2 Turn the knob to change the value directly or press the number keys to input the desired value press F4 to choose For a frequency 25MHz the Duty cycle range is 20 80 For a frequency greater than 25MHz the Duty cycle is 50 Parameter bar 1 Duty c...

Page 19: ...to To Output Sine Signals on P11 The frequency range is 1μHz 1MHz the period range is 1us 1Ms Parameter bar 1 Setting menu of Ramp signal Amplitude Load Offset Parameter bar 2 Current signal Symmetry Frequency Current parameter Figure 5 5 The User Interface of Ramp Signal Term Explanation Symmetry The percentage that the Rising Period takes up the whole Period To Set the Symmetry 1 Press F4 button...

Page 20: ...orm are Frequency Period Amplitude High Level Offset Low Level Pulse Width Duty Edge Time You can operate the menu by using the menu selection buttons on the right To set the Frequency Period Amplitude High Level Offset Low Level please refer to To Output Sine Signals on P11 The frequency range is 1μHz 25MHz the period range is 40ns 1Ms Parameter bar 1 Setting menu of Pulse signal Amplitude Load O...

Page 21: ...s of the 90 to 10 of the falling edge amplitude is called Falling Time The Rising Time and the Falling Time together are called Edge Time To Set the Pulse Width Duty Cycle 1 Press F4 button the chosen menu item is highlighted the focused parameter is displayed in Parameter bar 1 Press F4 to switch between Pulse Width Duty 2 Turn the knob to change the value directly or press the number keys to inp...

Page 22: ...ls The noise signal which the generator output is white noise Press button to call the user interface of Noise signal the Noise waveform parameters can be set by operating the Noise setting menu on the right The parameters of Noise waveform are Amplitude High Level Offset Low Level You can operate the menu by using the menu selection buttons on the right To set the Amplitude High Level Offset Low ...

Page 23: ...he Arbitrary signal consists of two types the system built in waveform and the user definable waveform Parameter bar 1 Setting menu of Arbitrary signal Amplitude Load Offset Parameter bar 2 Current signal Frequency Current parameter Built in Exponential Rise Waveform Figure 5 11 The User Interface of Arbitrary Signal To Select the Built in Waveform There are 26 built in Arbitrary waveforms Menu Se...

Page 24: ... a New Waveform 1 Enter the operation menu Press Editable Wform Create Wform 2 Set the number of waveform points Press F1 to select Wform Points turn the knob or press the number keys to input the desired value and choose the unit X1 XK XM respectively represent 1 1000 1000 000 The waveform points range is 2 1000 000 3 Set the interpolation Press F2 to switch between On Off If you choose On the po...

Page 25: ... storage path of the desired waveform file Turn the knob or press direction key to select the desired waveform file 3 Choose Recall suppress How to Delete a Stored Waveform 1 Press Save function button to enter the file system 2 Enter the storage path of the desired waveform file Turn the knob or press direction key to select the desired waveform file 3 Choose Delete To Generate the Modulated Wave...

Page 26: ...ess F5 to select the source If the source is External use the Modulation In connector in the rear panel to input the external signal the setting of AM is finished If you choose Internal continue to the steps below 5 Press F2 to choose Mod Shape you can choose Sine Square or Ramp 6 Press F3 to set AM Frequency The range is 2 mHz 20 KHz Internal source only 7 Press F4 to set Mod Depth The range is 0...

Page 27: ...ter the Modulation mode 2 Press F1 to switch Mod Type to FM If the Carrier Waveform is not Sine the system will switch it to Sine automatically 3 Press button to display the waveform and parameters of the Carrier Waveform You can change the parameters please refer to To Output Sine Signals on P11 Press button again to return to the Modulation mode interface 4 Press F5 to select the source If the s...

Page 28: ...ier Waveform Modulating Waveform Load Phase Deviation PM Frequency Mod Type Mod Shape Source Figure 5 14 The User Interface of PM How to set the parameters of PM 1 Press Mod function button to enter the Modulation mode 2 Press F1 to switch Mod Type to PM If the Carrier Waveform is not Sine the system will switch it to Sine automatically 3 Press button to display the waveform and parameters of the ...

Page 29: ...y Carrier Amplitude Carrier Waveform Carrier Waveform Modulating Waveform Load FSK Rate Mod Type Source Hop Frequency Figure 5 15 The User Interface of FSK How to set the parameters of FSK 1 Press Mod function button to enter the Modulation mode 2 Press F1 to switch Mod Type to FSK If the Carrier Waveform is not Sine the system will switch it to Sine automatically 3 Press button to display the wav...

Page 30: ...ating Frequency Mod Type Mod Shape Source Figure 5 16 The User Interface of PWM How to set the parameters of PWM 1 Press Mod function button to enter the Modulation mode 2 Press F1 to switch Mod Type to PWM If the Carrier Waveform is not Pulse the system will switch it to Pulse automatically 3 Press button to display the waveform and parameters of the Carrier Waveform You can change the parameters...

Page 31: ...ude Sweep Waveform Offset Start Frequency Stop Frequency Figure 5 17 The User Interface of Sweep Mode How to set the parameters of Sweep 1 When the output signal is Sine Square or Ramp waveform press Sweep function button to enter the Sweep mode 2 Press or button to choose the waveforms Take Sine for instance press to display the waveform and parameters You can change the parameters please refer t...

Page 32: ...le waveforms in burst Burst can last for certain times of waveform cycle N Cycle Burst or to be controlled by external gated signals Gated Burst Bust can apply to Sine Square Ramp Pulse and Arbitrary waveforms Noise can not be used Note For a burst the maximum frequency of the used waveform is 25MHz After pressing the Burst function button if the frequency is greater than 25MHz the generator will ...

Page 33: ...to 360 For an Arbitrary Waveform 0 is the first waveform point 6 Press F2 to select Delay set the Time Delay between the Trigger Input and the Start of the N Cycle Burst The minimum delay is a function of the specific burst period and should always be greater than 0s 7 Press F5 to select NextPage press it again to enter the next page 8 Press F1 to select Cycles or Infinite Set the number of Wavefo...

Page 34: ... Arbitrary Waveform 0 is the first waveform point 5 Press F5 to switch between Positive Negative Set the Polarity for the Gated Signal To Save and Recall Press Save function button to enter the file system To Use USB Storage The storage location is divided into the internal storage FLASH and the U disk storage USBDEVICE When a U disk is connected the storage menu will show USBDEVICE and FLASH Othe...

Page 35: ...finish editing and save the file Press F5 to cancel the save operation Note The length of file name is up to 15 characters To Set the Utility Function Press Utility function key to enter the Utility Menu You can set the parameters of the Generator such as Display Parameter Output Parameter Interface Parameter and System Setting Press Utility again to exit the Utility Menu To Set Display Parameter ...

Page 36: ... Output Parameter To Set the Output Load For the Main output terminal on the Front panel the Generator has a built in 50Ωseries impendence If the actual load does not match the set one the displayed amplitude and offset are incorrect This function is used to match the displayed voltage with the expected one Steps for setting the Load 1 Press Utility and choose Output Setup press F1 to select HighZ...

Page 37: ...form point is generated the Sync Signal Voltage is TTL Level High For Internal Modulating AM FM PM and PWM the Sync Signal reference is the Modulated Signal not the Carrier Signal The Sync Signal is a Square Waveform with 50 Duty Cycle In the first half modulation period the Sync Signal is TTL Level High For External Modulation the Sync Signal reference is the Carrier Signal not the Modulated Sign...

Page 38: ...Setup press F1 to choose BaudRate press F1 to switch the RS232 baud rate Make sure that the Baud Rate matches that of the computer The optional rates are 115 2K 56K 38 4K 9 6K and 4 8K The default setting is 115 2K To Set the LAN Press Utility and choose I O Setup press F2 to choose LAN enter the submenu Press F1 to set IP Addr the range of each byte is 1 255 Press F2 to set Port the range is 1 40...

Page 39: ... powered To Return to Default Setting Press Utility and choose System press F3 to select Set to Default All the settings will be set to default The default settings of the system are as follows Output Default Function Sine Wave Frequency 1kHz Amplitude Offset 1 Vpp 0 Vdc Terminals High Z Modulation Default Carrier 1kHz Sine Wave Modulating 100Hz Sine Wave AM Depth 100 FM Deviation 100Hz PM Phase D...

Page 40: ... the second page of the menu 2 Press F1 to select Beep 3 Press F1 to switch between On Off On is to activate the sound when the system informs you Off is to deactivate it View System Information 1 Press Utility and choose System press F4 to enter the second page of the menu 2 Press F2 to select Sys info You can view the Version and Serial Number To Set the Clock Source The series provide a 20 MHz ...

Page 41: ...ess F3 to select CLK Sou 3 Press F3 to switch between Internal External To Use Built in Help 1 Press Help function button the catalog will display in the screen 2 Press F1 or F2 to choose help topic or just turn the knob to choose 3 Press F3 to view the details about the topic press F5 to go back to the catalog 4 Press Help again to exit the help or just do other operations ...

Page 42: ...pear on the PC screen and guide you to install the USB driver The driver is in the USBDRV folder under the directory where the ultrawave communication software is installed such as C Program Files OWON ultrawave USBDRV 3 Port setting of the software Run the ultrawave software click Communications in the menu bar choose Ports Settings in the setting dialog choose Connect using as USB After connect ...

Page 43: ...ut the port which under 2000 is always be used so it is suggested to set it to the value above 2000 Here we set it to 3000 Figure 6 2 Set the network parameters of the ultrawave software 4 Set the network parameters of the Waveform Generator In the Waveform Generator press Utility and choose I O Setup press F2 to choose LAN enter the submenu Set the IP Addr and the Port to the same value as the Po...

Page 44: ...e set according to the router Here we set the IP address to 192 168 1 71 Subnet mask is 255 255 255 0 Default gateway is 192 168 1 1 Figure 6 3 Set the network parameters of the computer 3 Set the network parameters of the ultrawave software Run the software on the computer choose the Ports settings of the Communications menu item Set Connect using to LAN About the IP the first three bytes is same...

Page 45: ... About the setting method please refer to To Set the LAN on P33 After restarting the Waveform Generator if you can get data normally in the ultrawave software the connection is successful Using COM Port 1 Connection Use a data cable to connect the COM port in the rear panel of the Waveform Generator to the COM port of a PC 2 Port setting of the software Run the ultrawave software click Communicati...

Page 46: ...river Restart the instrument after the steps above If the problem still exists please contact OWON for our service 2 The measured value of output signal amplitude disaccords to the displayed value Check if the actual load matches the set one Please refer to To Set the Output Load on P31 3 The Sync output terminal does not output Sync Signal Check if the Sync Output switch is activated and check if...

Page 47: ...veform 32 channels digital waveform optional Frequency Characteristic Max sampling rate 400MSa s frequency resolution 32bits Sine AG4081 1 μHz 80 MHz AG4101 1 μHz 100 MHz AG4121 1 μHz 120 MHz AG4151 1 μHz 150 MHz Square AG4081 1 μHz 40 MHz AG4101 AG4121 AG4151 1 μHz 50 MHz Ramp 1 μHz 1MHz Pulse AG4081 1 μHz 20 MHz AG4101 AG4121 AG4151 1 μHz 25 MHz White Noise 50 MHz Arbitrary 1 μHz 10 MHz Amplitud...

Page 48: ...Bm typical Square Rise Fall Time 12 ns 10 90 typical 1kHz 1Vpp Jitter rms 300 ps 100ppm of period typical Non symmetry below 50 Duty Cycle 1 of period 5ns Overshoot 2 Duty Cycle 20 80 to 25 MHz 50 25 MHz Pulse Pulse Width 40 ns to 2000 s Accuracy 1ns Rising Falling Edge Time 20 ns to 500us Overshoot 2 Jitter 300ps 100ppm of the period Ramp Linearity 0 1 of peak output typical 1kHz 1Vpp Symmetry 10...

Page 49: ...l Modulating Waveforms 50 duty cycle square FSK Rate 2 mHz 100 KHz PWM Carrier Waveforms Pulse Source Internal External Internal Modulating Waveforms Sine Square Ramp Arbitrary Internal Modulating Frequency 2 mHz 20 KHz Width Deviation Pulse width 0 0ns to200 00usec Sweep Type Linear Logarithmic Carrier Waveforms Sine Square Ramp Direction Up Down Sweep Time 1 ms to 500 s 0 1 Source Source Externa...

Page 50: ...typical Pulse Width 400 ns typical Display Display Type 3 9 inch colored LCD Liquid Crystal Display Display Resolution 480 Horizontal 320 Vertical Pixels Display Colors 65536 colors 8 bits TFT screen Power Supply 220 240 VAC 100 120 VAC 50 60 Hz CATⅡ Consumption 18 W For the model with Power Amplifier 35 W Fuse 100 120 V 250 V F1AL 220 240 V 250 V F0 5AL Environment Temperature Working temperature...

Page 51: ...s often as operating conditions require To clean the instrument exterior perform the following steps 1 Wipe the dust from the instrument surface with a soft cloth Do not make any scuffing on the transparent LCD protection screen when clean the LCD screen 2 Disconnect power before cleaning your instrument Clean the instrument with a wet soft cloth not dripping water It is recommended to scrub with ...

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