Rigol DG3121A, DG3101A, DG3061A User guide

User’ Guide RIGOL

Publication number UGB03102-1110 Oct. 2008

DG3000 Series Function/Arbitrary Waveform Generator

DG3121A/DG3101A/DG3061A

RIGOL

I

 © 2006 RIGOL Technologies, Inc. All Rights Reserved  RIGOL products are protected by patent law in and outside of P.R. China.  Information in this publication replaces all previously corresponding material.  RIGOL Technologies, Inc. reserves the right to modify or change part of or all

the specifications and pricing policies at company’s sole decision.

NOTE: RIGOL is registered trademark of RIGOL Technologies, Inc.

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II

Safety Notices

Review the following safety precautions carefully before operating the instrument to avoid any personal injury or damage to the instrument or products connected to it.

To avoid the potential hazards, it is necessary to use the instrument in the manner specified in this user guide.

The instrument should be serviced only by qualified personnel.

Avoid Fire or Personal Injury

Use proper power line. Only the special power line of the products approved by

the State should be used.

Insert or draw properly. Do not insert draw when the probe and the testing lead are connected with the power.

Ground the instrument. This generator is grounded through the protective terra conductor of the power cord. To avoid electric shock, the grounding conductor must be connected to the earth ground. Make sure that the instrument is properly grounded before connecting the input or output terminals.

Observe All the Ratings of the Terminal. To avoid fire or shock, observe all the ratings and symbols that marked on the instrument. Read the user guide carefully before making connections to the instrument.

Do not operate without Covers. Do not operate your generator with covers or panels removed.

Avoid Circuit or Wire exposed. Do not touch the exposed connections or components when the power is on.

Do not operate with suspected failures. If you suspect there is damage with this product, you have it inspected by qualified service personnel authorized by RIGOL before further operations.

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Provide Proper Ventilation.

Do not operate in wet/damp conditions.

Do not operate in an explosive atmosphere.

Keep the product’s surfaces clean and dry.

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!

Hazardous Voltage

Refer to the Instructions

Protective Earth Ground

Earth Ground

Chassis Ground

!

Safety Terms and Symbols

Terms in this guide. These terms may appear in this manual:

WARNING: Warning statements indicate the conditions or practices that could result in injury or loss of life.

CAUTION: Caution statements indicate the conditions or practices that could result in damage to this product or other property.

Terms on the product. These terms may appear on the product:

DANGER indicates an injury or hazard that may be immediately happen.

WARNING indicates an injury or hazard that may be not immediately happen.

CAUTION indicates that a potential damage to the instrument or other property

might occur.

Symbols on the product. These symbols may appear on the instrument:

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The Introduction of DG3000 Series

The book covers the following 3 types of DG3000 Series Function/ Arbitrary Waveform Generators: DG3121A、DG3101A、DG3061A.

RIGOL DG3000 Series Function/ Arbitrary Waveform Generator adopt the direct digital synthesizer (DDS) technology, which can provide stable, high-precision, pure and low distortion sine signal. Its combination of excellent system features, easiness in usage and versatile functions makes this generator a perfect solution for your job now and in the future.

DG3000 Series Function/ Arbitrary Waveform Generator have clear and simple Front-Panel. The user-friendly panel layout and instructions, versatile terminals, direct graph interface, built-in instructions and help system has greatly simplified the operation process, with the help of which, users do not have to spend a great deal of time learning and familiarizing the operation of the generator before they can use it proficiently. The built-in AM, FM, PM, and FSK modulation functions generate modulated waveform at ease, without the help of a separate modulating source. USB I/O is a standard accessory, while LAN and GPIB are Optional. Remote instructions meet the SCPI specification requirements.

From the characteristics and specifications given below, you will understand how DG3000 can satisfy your measurement requirements.

 16+2 channels digital output module (Optional) together with the analogue

channel can rebuild the most commonly used mixed signal in daily practice.

 DDS technology provides precise, stable and low distortion output signal.  3.8’ QVGA color LCD display.  300MSa/s sampling rate, 14-bit resolution.  Frequency characteristics:

Sine: 1µHz to 120 MHz Square: 1µHz to 60 MHz Ramp: 1µHz to 1 MHz Pulse: 500µHz to 30MHz White Noise：50MHz bandwidth (-3dB) Arbitrary：1μHz to 25MHz

 10 standard waveforms:

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Sine, Square, Ramp, Pulse, Noise, Sinc, Exponential Rise, Exponential Fall, Cardiac and DC.

 Self-defined arbitrary waveform.  Multiple modulation function, various modulated waveform: AM, FM, PM, FSK,

PWM, Sweep and Burst.

 Multiple I/O: External Modulation Source, External 10 MHz Reference Input,

External trigger source, waveform output, synchronous signal output, Internal 10 MHz Reference output.

 Support USB storage device. Software Updating could also be performed using

USB devices.

 Utmost 1M sample points of internal waveform depth, which can rebuild or

simulate any complex waveform.

 Remote control is realized using the LAN.

Support 10/100M LAN. Users can remotely visit and control signal generation through web browser.

 Multiple interfaces: USB Host & Device, RS-232, GPIB (IEEE-488), LAN.  Support the seamless connection of DS1000 Series Digital Oscilloscopes; can

directly read and rebuild the stored waveform in the oscilloscopes.

 Graph interface which shows the signal setting directly.  10 languages user interface and built-in help system.  Support Chinese/ English Input.

Note:

All the specifications described in this guide are according to DG3121A, if you need to know the particular specifications about the other type, please see “Specifications” in Chapter 5.

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Content

Safety Notices ........................................................................................... II

The Introduction of DG3000 Series ............................................................. V

Chapter 1 Getting Started ................................................................... 1-1

General Inspection .................................................................................. 1-2

Handle Adjustment ................................................................................. 1-3

The Front/Rear Panel .............................................................................. 1-4

To Set a Waveform ................................................................................. 1-8

To Set Modulate/ Sweep/Burst ................................................................ 1-12

To Set Trigger/Output ............................................................................ 1-14

To Use Digital Input ............................................................................... 1-15

To Use Store/Utility/Help Function ........................................................... 1-16

Chapter 2 Operating Your Generator .................................................. 2-1

To Set Sine Signals ................................................................................. 2-2

To Set Square Signals ............................................................................. 2-7

To Set Ramp Signals .............................................................................. 2-10

To Set Pulse Signals ............................................................................... 2-13

To Set Noise Signals .............................................................................. 2-17

To Set Arbitrary Signals .......................................................................... 2-19

To Generate the Modulated Waveform .................................................... 2-32

To Generate Sweep ............................................................................... 2-42

To Generate Burst .................................................................................. 2-44

To Store and Recall ................................................................................ 2-48

To Set the Utility Function ...................................................................... 2-62

How to Use the Built-in Help System ....................................................... 2-89

Chapter 3 Application & Examples ...................................................... 3-1

Example 1: To Generate a Sine Wave ....................................................... 3-2

Example 2: To Generate a Square Wave ................................................... 3-3

Example 3: To Generate a Ramp Wave .................................................... 3-5

Example 4: To Generate a Pulse Wave ..................................................... 3-7

Example 5: To Generate a Noise Wave ..................................................... 3-9

Example 6: To Generate an Arbitrary Waveform ....................................... 3-10

Example 7: To Create an Arbitrary Waveform .......................................... 3-12

Example 8: To Generate an AM Waveform ............................................... 3-14

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Example 9: To Generate an FSK Waveform ............................................. 3-16

Example 10: To Generate a PWM waveform ............................................ 3-18

Example 11: To Generate Linear Sweep .................................................. 3-20

Example 12: To Generate a Burst Waveform ........................................... 3-22

Chapter 4 Prompt messages & troubleshooting ..................................4-1

Prompting Message ................................................................................. 4-1

Troubleshooting .................................................................................... 4-17

Chapter 5 Specifications ......................................................................5-1

Specifications .......................................................................................... 5-2

General Specifications .............................................................................. 5-7

Chapter 6 Appendix ..............................................................................6-1

Appendix A: DG3000 Series Accessories .................................................... 6-1

Appendix B: Warranty.............................................................................. 6-2

Appendix C: General Care and Cleaning .................................................... 6-3

Appendix D: Contact RIGOL .................................................................... 6-4

Index ...................................................................................................... 6-I

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Chapter 1 Getting Started

This chapter covers the following topics:

 General Inspection

 Handle Adjustment

 The Front/Rear Panel

 To Set a Waveform

 To Set Modulate/ Sweep/Burst

 To Set Trigger/Output

 To Use Digital Input

 To Use Store/Utility/Help Function

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General Inspection

When you get a new DG3000 Series Function/ Arbitrary Waveform Generator, you are suggested to take the following steps to inspect the instrument.

1. Inspect the shipping container for damage.

If there are damages in the packing or foam, keep them until the whole machine and the accessories passing the electric and mechanical testing.

2. Check the accessories.

Accessories supplied with the instrument are listed in chapter 6 "Appendix A: DG3000 Series Accessories". If the contents are incomplete or damaged, please notify your RIGOL Sales Representative.

3. Inspect the instrument.

In case any mechanical damage or defect, or if the instrument does not operate properly or pass performance tests, notify your RIGOL Sales Representative. If the shipping container is damaged, or the cushioning materials show signs of stress, notify the carrier as well as your RIGOL sales office. Keep the shipping materials for the carrier’s inspection. RIGOL offices will arrange for repair or replacement at RIGOL’s option without waiting for claim settlement.

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Handle Adjustment

To adjust the handle position of DG3000 Function/ Arbitrary Waveform Generator, please grip the handle by the sides and pull it outward. Then, make the handle rotate to the desired position. The operating methods are shown in the figure 1-1.

Figure 1-1 Adjust the handle

Figure 1-2 The Viewing Position and Carrying Position

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The Front/Rear Panel

When you get a new DG3000 Series Function/ Arbitrary Waveform Generator, first you need to clear how to operate the front/ Rear panel correctly. This chapter will make a brief introduction and description for the operation and functions of the Front/ Rear Panel.

The DG3000 Series Function/ Arbitrary Waveform Generator has clear and simple front panel. See figure 1-3 and 1-4. The Front Panel has a knob and functional keys. The 5 blue grey buttons on the right side of the screen are menu buttons (named F1 to F5 from up to down) with the help of which, you can enter different functions menu or have direct specific applications. The signal input and output interfaces are set at the rear panel which can help generating multiple arbitrary waveforms. The various BUS interfaces can meet the need of the multiple interface communications.

Figure 1-3 The Front Panel of DG3000 Series

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Figure 1-4 Front Panel of DG3000 Series

Figure 1-5 Rear Panel of DG3000 Series

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Parameter

Name

Reading

Unit

Parameter

Value

Operation Menu:

Different functions

have different menus

Waveform

display

window

Parameter

Display and

editingWindow

Figure 1-6

The Display Interface (Sine Wave is the default display signal)

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Character definitions in this User Manual：

The signs for buttons in this book are the same as the panel buttons. Please note that, the signs for the functional buttons on the operation panel are represented by squared words, such as Sine, which represents the transparent functional key with Sine on it on the front panel, while the menu buttons are represented by darkened words such as Freq , which means the “Frequency” option in the Sine menu.

Note：The main Output and Sync Channels are located in the front panel,

which only allow signal output. If they are used as signal input channels, they will be burned and lead to instrument malfunction.

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To Set a Waveform

On the operation panel, there is a set of buttons with waveform icon. See figure 1-7. The exercise below will help you familiarize with the waveform selection settings.

Figure 1-7 The Waveform Selection Buttons

1. Press Sine button and the waveform window will display sine waveform. DG3000 Series Generator can generate Sine signal with a frequency from 1μHz to 120MHz. By setting Frequency/Period, Amplitude/High Level, Offset/Low level, sine signal with different parameters can be generated.

Figure 1-8 The Sine Signal Display Interface

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As shown in figure 1-8, the default signal parameters are: 1kHz Frequency, 5.0Vpp Amplitude and 0Vdc Offset.

2. Press Square button, and the waveform window displays square waveform. DG3000 Series Generator can generate Square signal with a frequency from 1μHz to 60MHz and variable duty cycle.

Figure 1-9 The Square Signal Display Interface

As shown in figure 1-9, the default signal parameters are: 1kHz Frequency, 5.0 Vpp Amplitude, 0Vdc Offset and 50% Duty Cycle.

3. Press Ramp button, and the waveform window displays ramp waveform. DG3000 Series Generator can generate Ramp signal with a frequency of from 1μHz to 1 MHz and variable Symmetry.

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Figure 1-10 The Ramp Signal display interface

As shown in figure 1-10, the default signal parameters are: 1kHz Frequency, 5.0 Vpp Amplitude, 0Vdc Offset and 50% Symmetry.

4. Press Pulse button, and the waveform window displays pulse waveform. DG3000 Series Generator can generate Pulse signal with a frequency from 500μHz to 30 MHz and variable Pulse Width and Edge Time.

Figure 1-11 The Pulse Signal display interface

As shown in figure 1-11, the default signal parameters are: 1kHz Frequency, 5.0Vpp Amplitude, 0Vdc Offset, 200μs Pulse Width and 50ns Edge Time.

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5. Press Noise button, and the waveform window displays noise waveform. DG3000 Series Generator can generate Noise signal with a Band Width up to 50 MHz.

Figure 1-12 The Noise Signal Display Interface As shown in figure 1-12, the default signal parameters are: 5.0Vpp Amplitude and 0Vdc Offset.

6. Press Arb button, and the waveform window displays arbitrary waveform.

DG3000 Series Generator can generate repeatable arbitrary waveform signals with at most 1024K points and 25MHz frequency.

Figure 1-13

The Arbitrary waveform Signal Display Interface As shown in figure 1-13, the default Exponential Rise Signal parameters are: 1kHz Frequency, 5.0 Vpp Amplitude and 0Vdc Offset.

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To Set Modulate/ Sweep/Burst

As shown in figure 1-14, there are three buttons on the front panel, which are used for Modulating, Sweeping and Bursting settings. The instructions below will help you familiarize with the setting of these functions.

Figure 1-14

The Modulate/ Sweep/ Burst button

1. Press Mod button, and the Modulated waveforms will be generated. The modulated waveform can be changed by modifying the parameters such as Type, Internal/ external Modulation, Depth, Frequency, Waveform, etc. DG3000 Series can modulate waveform using AM, FM, FSK, and PM or PWM. Sine, Square, Ramp or Arbitrary waveforms can be modulated (Pulse, Noise and DC can not be modulated).

Figure 1-15

The Modulated Waveform Display Interface

2. Press Sweep button, Sine, Square, Ramp or Arbitrary waveform can be swept (Pulse, Noise and DC can not be swept). In the Sweep Mode, DG3000 Series generate signal with variable frequencies.

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Term Explanation Burst：Output Waveforms with set cycle times

Burst can last for certain times of waveform cycle (N-Cycle Burst) or be controlled by external gated signals (Gated Burst). Burst applies to all kinds of waveforms, but noise can only be used in gated burst. Generally it is called BURST function within every Signal Generator.

Figure 1-16

The Sweep Waveform Display Interface

3. Press Burst button, Burst for Sine, Square, Ramp, Pulse or Arbitrary waveform can be generated.

Figure 1-17 The Burst Waveform Display Interface

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To Set Trigger/Output

As shown in figure 1-18, there are two buttons on the right side of the operation panel, which are used to set Trigger and Output Control. The instruction below will help you familiarize with these functions.

Figure 1-18

The Trigger/ Output Button

1. Press Trigger Button, choose internal/ external or manual Trigger (Manual Trigger can only be used in Sweep and N-Cycle Burst)

 The default setting for Trigger is “Internal”. In this mode, when the Sweep

or Burst Mode is also selected, the Generator will generate burst continuously. At this time, press Trigger button, the instrument will shift from the “Automatic” Trigger mode into “Manual” Trigger mode.

 When the generator uses the” External” Trigger Mode, if the Sweep or the

Burst Mode is selected, signal will be generated continuously. At this time, press Trigger button, the instrument state will not change, and it will show “The instrument has already been triggered”.

 Every time you press the Trigger button, “Manual” Trigger will start a

sweep or generate a burst. Press the button again, and the generator will be triggered again.

2. Press Output Button, activate or deactivate the output signal. If an overload message is shown, disconnect the external equipment from the output terminals and press Output button, reactivate the output terminal.

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To Use Digital Input

As shown in figure 1-19, there are three sets of buttons on the operation panel, which are direction button, the knob and the keypad. The instruction below will help you familiarize with the Digital Input Function.

（1）direction key （2）keypad （3）knob

Figure 1-19 The Front Panel Digital Input

1. The up and down keys are used to shift parameters and the left and right keys are used to shift digits.

2. Keypad is used to directly set the parameters value.

3. Knob is used to change a signal digit value whose range is 0~9. Clockwise to increase 1.

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Operation Instruction To get help on：

To get help on any key of the front panel, press and hold on that key for 1 second and the help message will appear.

To Use Store/Utility/Help Function

As shown in figure 1-20, there are three buttons on the operation panel, which are used to call the store/recall, utility and help function. The instruction below will help you familiarize with these Functions.

Figure 1-20

The Store/Recall, Utility and Help Button

1. The Store/Recall Button is used to store waveform data and configure information.

2. The Utility Button is used to set the auxiliary system function, change the output configure parameters, interface setting, system setting information or perform the instrument self-test and read the calibration information, etc.

3. The Help Button is used to read the help information.

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Chapter 2 Operating Your Generator

Up to now you have got a brief understanding about DG3000 series with the front/rear panel, every function control area and keys. You should also know how to set your function/ arbitrary waveform generator for your usage. If you are not familiar with these operations, you are suggested to read Chapter One “Getting Started” again.

This chapter covers the following topics:

 Setting Sine Signal ( Sine )

 Setting Square Signal ( Square )

 Setting Ramp Signal ( Ramp )

 Setting Pulse Signal ( Pulse )

 Setting Noise Signal ( Noise )

 Setting Arb Signal ( Arb )

 Output Modulated Signal ( Mod )

 Output Sweep Signal ( Sweep )

 Output Burst Signal ( Burst )

 Trigger ( Trigger )

 Store/Recall ( Store/Recall )

 Utility Setting ( Utility )

 Help System ( Help )

You are suggested to read this chapter carefully so as to understand DG3000 Series Generator‘s versatile waveform setting Functions and more operation methods.

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Operation

Menu:

Control

function

with the

soft keys

Amplitude

Offset

Frequency

Waveform

Display Window

Frequency

Value

Current Parameter

To Set Sine Signals

Press Sine Button to call the Sine operation. The Sine waveform parameters are set by using the Sine operation menu.

The parameters of Sine waveforms are: Frequency/ Period, Amplitude/ High Level, Offset/ Low Level. Different Sine Signals are generated by setting these parameters. The parameter value in the waveform display window is the same as that of in the parameter display window. As is shown in figure 2-1, in the soft key menu, select Freq. Cursor is located in the frequency parameter area in the parameter display window, and users can set the frequency value here. In the waveform display window, the parameter type in the left corner is frequency, the value of which is displayed in shadow.

Figure 2-1 The Sine Parameter Display Interface

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Figure 2-2 Table 2-1 The Menu Explanations of Sine Waveform

Instructions

The parameter type in the top left corner of figure 2-1 is the current parameter, whose value will be displayed in shadow.

Function

menu

Settings

Explanations

Freq/

Period

Set the signal frequency or period; the current parameter will switch at a second press.

Ampl/

High Level

Set the signal Amplitude or High Level; the current parameter will switch at a second press.

Offset/

Low Level

Set the signal Offset or Low Level; the current parameter will switch at a second press.

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Instruction:

When using the keypad to enter the digit, you can use the Left direction button to move the cursor backward and delete or change the value of the previous digit.

Current

Parameter:

Frequency

To Set the Output Frequency/Period

1. Press Sine  Freq , to set the frequency parameter. The frequency shown on the screen when the instrument is powered is the default value or the set value beforehand. When setting the function, if the current value is valid for the new waveform, it will be used sequentially. If you want to set the period for the waveform, press Freq/Period button again, to switch to the Period parameter (The current operation is displayed in inverse color).

2. Input the desired frequency. Use the keypad to input the parameter value directly, and press the corresponding button to select the parameter unit. Or you can use the direction button to select the digit you want to edit, and then use the knob to change its value.

Figure 2-3 Setting the Frequency

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To Set the Output Amplitude

Current

Parameter:

Amplitude

1. Press Sine  Ampl , to set the amplitude. The amplitude shown on the screen when the instrument is powered is the default value or the set value beforehand. When changing the function, if the current value is valid for the new waveform, it will be used sequentially. If you want to set the waveform by high Level or Low Level, press the Ampl/High Level or Offset/Low level button again, to switch into the High Level or Low Level parameter (The current operation is displayed in inverse color).

2. Input the desired Amplitude Use the keypad or the knob to input the desired value, choose the unit, and press the corresponding button.

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Figure 2-4 Setting the Amplitude

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Current

Parameter:

Offset

To Set the DC Offset

1. Press Sine  Offset , to set the offset. The offset shown on the screen when the instrument is powered is the default value or the set value beforehand. When changing the function, if the current value is valid for the new waveform, it will be used sequentially.

2. Input the desired Offset Use the keypad or the knob to input the desired value, choose the unit, and press the corresponding button.

Figure 2-5 Setting the Offset

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Duty Cycle

To Set Square Signals

Press Square button to call the Square operation. The Square waveform parameters are set by using the Square operation menu.

The parameters of Square waveforms are: Frequency/ Period, Amplitude/ High Level, Offset/ Low Level and Duty Cycle. See figure 2-6. The parameter value in the waveform display window is the same as that of in the parameter display window and the Duty Cycle value is edited directly in the waveform display window. In the soft key menu, select Duty Cycle, and the corresponding value in the waveform display window will be displayed in shadow, and then users can edit its value.

Figure 2-6 The Square Parameter Display Interface

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Function

Menu

Settings

Explanation

Freq/

Period

Set the signal frequency or period; the current parameter will switch at a second press.

Ampl/

High Level

Set the signal Amplitude or High Level; the current parameter will switch at a second press.

Offset/

Low Level

Set the signal Offset or Low Level; the current parameter will switch at a second press

Duty

Set the Duty Cycle for Square Waveform

Term Explanation: Duty Cycle: The percentage that the High Level takes up the whole Period.

Please Note : for the Frequency Duty Cycle Value Below 25MHz: 20% to 80% From 25MHz to 50MHz (included): 40% to 60%

Higher than 50MHz: 50%

Figure 2-7 Table 2-2 The Menu Explanations of Square Waveform

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To Set the Duty Cycle

Current

Parameter:

Duty Cycle

1. Press Square  Duty , to set the Duty Cycle. The Duty Cycle shown on the screen when the instrument is powered is the default value or the set value beforehand. When changing the function, if the current value is valid for the new waveform, it will be used sequentially.

2. Input the desired Duty Cycle Use the keypad or the knob to input the desired value, choose the unit, and press the corresponding button. The Generator will change the waveform immediately.

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Figure 2-8 Setting the Duty Cycle

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Symmetry

To Set Ramp Signals

Press Ramp button to call the Ramp operation. The Ramp waveform parameters are set by using the Ramp operation menu.

The parameters for Ramp waveforms are: Frequency/ Period, Amplitude/ High Level, Offset/ Low Level and Symmetry. See figure 2-9. The parameter value in the waveform display window is the same as that of in the parameter display window and the Symmetry value is edited directly in the waveform display window. In the soft key menu, select Symmetry, and the corresponding value in the waveform display window will be displayed in shadow, and then users can edit its value.

Figure 2-9 The Ramp Parameter Display Interface

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Figure 2-10 Table 2-3 The Menu Explanations of Ramp Waveform

Function

Menu

Settings

Explanation

Freq/

Period

Set the signal frequency or period; the current parameter will switch at a second press.

Ampl/

High Level

Set the signal Amplitude or High Level; the current parameter will switch at a second press.

Offset/

Low Level

Set the signal Offset or Low Level; the current parameter will switch at a second press.

Symmetry

Set the Symmetry for Ramp Waveform.

Term Explanation: Symmetry: The percentage that the Rising Period takes up the whole Period.

Input Range: 0~100%.

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Current

Parameter:

Symmetry

To Set the Symmetry

1. Press Ramp  Symmetry , to set the Symmetry. The Symmetry shown on the screen when the instrument is powered is the default value or the set value beforehand. When changing the function, if the current value is valid for the new waveform, it will be used sequentially.

2. Input the desired Symmetry Use the keypad or the knob to input the desired value, choose the unit, and press the corresponding button. The Generator will change the waveform immediately.

Figure 2-11 Setting the Symmetry

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Pulse Width

Edge Time

To Set Pulse Signals

Press Pulse button to call the Pulse operation. The Pulse waveform parameters are set by using the Pulse operation menu.

The parameters for Pulse waveforms are: Frequency/ Period, Amplitude/ High Level, Offset/ Low Level, Pulse Width and Edge Time. See figure 2-12. The parameter value in the waveform display window is the same as that of in the parameter display window and the Pulse Width and the Edge Time values are edited directly in the waveform display window. In the soft key menu, select Pulse Width, and the corresponding value in the waveform display window will be displayed in shadow, and then users can edit its value.

Figure 2-12 The Pulse Parameter Display Interface

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Function

Menu

Settings

Explanation

Freq/

Period

Set the signal frequency or period; the current parameter will switch at a second press.

Ampl/

High Level

Set the signal Amplitude or High Level; the current parameter will switch at a second press.

Offset/

Low Level

Set the signal Offset or Low Level; the current parameter will switch at a second press.

Pulse Width

/Duty

Set the signal Pulse Width or Duty; the current parameter will switch at a second press.

Edge Time

Setting the Edge Time for Pulse Waveform

Term Explanation: Pulse Width:

Positive Pulse Width: the time span between thresholds of 50% of the rising edge amplitude to the next 50% of the falling edge amplitude; Negative Pulse Width: the time span between thresholds of 50% of the falling edge amplitude to the next 50% of the rising edge amplitude.

Edge Time:

The time span between the thresholds of the 10% to 90% of the rising edge amplitude is called Rising Time. The time span between the thresholds 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.

Figure 2-13 Table 2-4 The Menu Explanations of Pulse Waveform

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To Set the Pulse Width

Current

Parameter:

Pulse Width

1. Press Pulse  Pulse Width , to set the Pulse Width. The Pulse Width shown on the screen when the instrument is powered is the default value or the set value beforehand. When changing the function, if the current value is valid for the new waveform, it will be used sequentially.

2. Input the desired Pulse Width Use the keypad or the knob to input the desired value, choose the unit, and press the corresponding button. The Generator will change the waveform immediately.

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Figure 2-14 Setting the Pulse Width

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2-16

Instruction:

The default setting is the same Edge Time for Rising and Falling Edges.

Current

Parameter:

Pulse Edge

To Set the Edge Time

1. Press Pulse  Edge Time , to set the Edge Time. The Edge Time shown on the screen when the instrument is powered is the default value or the set value beforehand. When changing the function, if the current value is valid for the new waveform, it will be used sequentially.

2. Input the desired Edge Time Use the keypad or the knob to input the desired value, choose the unit, and press the corresponding button. The Generator will change the waveform immediately.

Figure 2-15 Setting the Edge Time

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2-17

To Set Noise Signals

Press Noise button to call the Noise operation. The Noise waveform parameters are set by using the Noise operation menu.

The parameters for Noise waveforms are: Amplitude/ High Level and Offset/ Low Level. See figure 2-16. The parameter value in the waveform display window is the same as that of in the parameter display window. In the soft key menu, select Offset, and the corresponding value in the waveform display window will be displayed in shadow, and then users can edit its value. Noise is non-regulated signal which has no frequency or period.

Figure 2-16 The Noise Parameter Display Interface

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2-18

Function

Menu

Settings

Explanation

Ampl/

High Level

Set the signal Amplitude or High Level; the current parameter will switch at a second press.

Offset/

Low Level

Set the signal Offset or Low Level; the current parameter will switch at a second press.

Figure 2-17 Table 2-5 The Menu Explanations of Noise Waveform

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2-19

To Set Arbitrary Signals

Press Arb button to call the Arb operation. The Arb waveform parameters are set by using the Arb operation menu.

The Arb signal consists of two types: the system built-in waveform and the user-definable waveform. The parameters for Arb waveforms are: Frequency/ Period, Amplitude/ High Level and Offset/ Low Level. See figure 2-18. The parameter value in the waveform display window is the same with that of in the parameter display window. In the soft key menu, select Amplitude, and the corresponding value in the waveform display window will be displayed in shadow, and then users can edit its value.

Figure 2-18 The Arb Parameter Display Interface

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Function

Menu

Settings

Explanation

Freq/

Period

Set the signal frequency or period; the current parameter will switch at a second press.

Ampl/

High Level

Set the signal Amplitude or High Level; the current parameter will switch at a second press.

Offset/

Low Level

Set the signal Offset or Low Level; the current parameter will switch at a second press

Sel Wform

Select the built-in Arbitrary Signal as Output

Edit Wform

Create and Edit Arbitrary Waveform

Function

Menu

Settings

Explanation

Edit Wform

Create and Edit Arbitrary Waveform

Edit Digital

W

When the Digital Output Module is connected, it is the optional key.

Cal Digital

W

When the Digital Output Module is connected, it is the optional key.

Figure 2-19 Table 2-6 The Menu Explanations of Arb Waveform ( Page 1/2)

Figure 2-20 Table 2-7 The Menu Explanations of Arb Waveform ( Page 2/2)

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2-21

Instructions:

 When there is no waveform stored in the Non-Volatile Memory, the

StoredWforms Menu and the DELETEWform Menu will hide.

 When there is no waveform in the Volatile Memory, the VolatileWform

menu will hide.

Function

Menu

Settings

Explanation

Built-in

Select one of the five built-in Arbitrary Waveforms (See Table 2-8)

Stored Wform

Select one of Arbitrary Waveforms stored in the Non-volatile memory

Volatile

Wform

Select one of Arbitrary Waveforms stored in the Volatile memory. When a new waveform is created, the old one will be erased.

DELETE

Wform

Delete one of the Arbitrary Waveforms stored in the Non-volatile memory. The five Built-in Waveforms can not be deleted.

CANCEL

Cancel the current operation, and return to the upper menu. (The followings are the same and will not be explained)

To Select the built-in Arbitrary Waveform

There are five built-in Arbitrary Waveforms and user-definable Arbitrary Waveforms inside the Generator. To select one of them, follow the instructions below: Press Arb  Load , to enter the interface below.

Figure 2-21 Table 2-7 The Menu Explanations of Built-in Arbitrary Waveform

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2-22

Function

Menu

Settings

Explanation

ExpRise

Select the built-in Exponential Rise Waveform

ExpFall

Select the built-in Exponential Fall Waveform

NegRamp

Select the built-in Negative Ramp Waveform

Sinc

Select the built-in Sinc Waveform. Sinc＝Sin(x)/x

1/2

Enter next page ( the followings are the same)

Function

Menu

Settings

Explanation

2/2

Return previous page (the followings are the same)

Cardiac

Select the built-in Cardiac Waveform

1. To Select the Built-in Waveform

Press Arb  Sel Wform  Built-In , and enter the following interface.

Figure 2-22 Table 2-8 The Menu Explanations of Built-in Arbitrary Waveform

(Page 1/2)

Figure 2-23 Table 2-9 The Menu Explanations of Built-in Arbitrary Waveform

(Page 2/2)

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Function

Menu

Settings

Explanation

ARB Mem1

Select the Arb Waveform stored in the

non-Volatile Memory. The location is: C:\ARB1:ARB_1

ARB Mem 2

Select the Arb Waveform stored in the non-Volatile Memory. The location is: C:\ARB2:ARB_2

ARB Mem 3

Select the Arb Waveform stored in the non-Volatile Memory. The location is: C:\ARB3:ARB_3

ARB Mem 4

Select the Arb Waveform stored in the non-Volatile Memory. The location is: C:\ARB4:ARB_4

Function

Menu

Settings

Explanation

Select Arb

Open the selected waveform

Instructions:

When there is no waveform stored in the Arb Mem1 、 Arb Mem2 、 Arb Mem3 and Arb Mem4, this menu will hide. (The followings are the same and will not be explained )

2. To Select the Stored Waveform

Press Arb  Sel Wform  Stored Wform , and enter the following interface.

Figure 2-24 Table 2-10 The Menu Explanations of Stored Arbitrary Waveform

(Page 1/2)

Figure 2-25 Table 2-11 The Menu Explanations of Stored Arbitrary Waveform

(Page 2/2)

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Function

Menu

Settings

Explanation

ARB Mem1

Select the Arb Waveform stored in the

non-Volatile Memory. The location is: C:\ARB1:ARB_1

ARB Mem 2

Select the Arb Waveform stored in the non-Volatile Memory. The location is: C:\ARB2:ARB_2

ARB Mem 3

Select the Arb Waveform stored in the non-Volatile Memory. The location is: C:\ARB3:ARB_3

ARB Mem 4

Select the Arb Waveform stored in the non-Volatile Memory. The location is: C:\ARB4:ARB_4

Function

Menu

Settings

Explanation

Delete Arb

Delete the selected waveform

3. To Remove the Waveform

Press Arb  Sel Wform  DELETE Wform , and enter the following

interface.

Figure 2-26 Table 2-12 The Menu Explanations of Stored Arbitrary Waveform

(Page 1/2)

Figure 2-27 Table 2-13 The Menu Explanations of Stored Arbitrary Waveform

(Page 2/2)

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Instructions:

 When there is no waveform stored in the Non-Volatile Memory, the Edit

Stored Menu and the DELETE Wform Menu will hide.

 When there is no waveform in the Volatile Memory, the Edit Volatile menu

hide

Function

Menu

Settings

Explanation

Create

New

Create a new waveform, and erase the waveform in the Volatile memory.

Edit

Stored

Edit the waveform stored in the non-Volatile memory

Edit

Volatile

Edit the waveform stored in the Volatile memory

DELETE

Wform

Delete one of the Arbitrary Waveforms stored in the Non-volatile memory. The five Built-in Waveforms can not be deleted.

To Edit the Arbitrary Waveform

The Generator allows users to edit Arbitrary Waveforms, which can create any new waveform by initializing points. The procedure is as follows: Press Arb  EditWform , to enter the interface shown below.

Figure 2-28 Table 2-14 The Menu Explanations of Waveform Edition Operation

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Function

Menu

Settings

Explanation

Cycle

Period

Setting the Cycle Period for the Waveform

HighV Limi

Setting the Level High Limit for the Waveform

LowV Limit

Setting the Level Low Limit for the Waveform

Int# Points

Set the number of initial points when Initializing the waveform

Period

Initial Points Number Interpolation On

High Level

Low Level

1. To Create a New Waveform

Press Arb  EditWform  Create New ，to set the overall parameter for the waveform. Interface is shown in figure 2-29 and menu in table 2-15.

Figure 2-29

The Setting Interface of New Waveform Parameter

Figure 2-30 Table 2-15 The Menu Explanations of the New Waveform Parameters

(Page 1/2)

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2-27

Figure 2-31 Table 2-16 The Menu Explanations of the New Waveform Parameters

Function

Menu

Settings

Explanation

Interp

On Off

Activate the linear Interpolation

between the defined points Deactivate the linear Interpolation between the defined points

Edit Points

Turn on the Waveform Editor

(1) To Set the Point Number

Press Int #Points , to set the number of the initializing points. When a new waveform is created, the waveform editor will firstly create a waveform with two points. The Waveform Editor connects the last point to the Voltage Level of point #1 automatically to create a continuous waveform. A waveform with at most 512K points can be created. In the default setting, point #1 is Level High, fixed on 0 second, while point #2 is Level Low and on the half of the set Cycle period.

(2) To Set the Interpolation

Press Interp.On , if you choose Interpolation On , and the points will be connected with beelines; otherwise, the voltages between two consecutive points will not change, and waveform looks like a step-up one.

(3) To Edit the Waveform Points

Press Arb  Edit Wform  Create New  Edit Points , the waveform can be defined by setting the time and voltage for each point using this function. The menu is as follows:

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(Page 2/2)

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Instruction:

The time for the last definable point should be less than the cycle period in the waveform.

Function

Menu

Settings

Explanation

Point#

Select the point to be edited

Voltage

Set Voltage for the Selected point

Time

Set time for the Selected point

Insert

Insert a new point between the

defined points. Use the “Time” and “Voltage” to define the new point.

Function

Menu

Settings

Explanation

Remove

Remove the current point

Stored in

Non-Vol

Save the created waveform to the

non-Volatile Memory. Resort to Table 2-14 for a detailed Storage Catalogue.

Done

Finish the current operation and return to the first level menu. (The followings are the same and will not be explained)

Figure 2-32 Table 2-17 The Menu Explanations of Waveform Edition Menu

(Page 1/2)

Figure 2-33 Table 2-18 The Menu Explanations of Waveform Edition Menu

(Page 2/2)

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2-29

(4) Save the Waveform to the Non-Volatile Memory

Press Arb  Edit Wform  Create New  Edit Points  Store in Non-Vol , to enter the following interface.

Figure 2-34 Choose the Location

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Figure 2-35 Input the Name

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2-30

Instruction To save the Arbitrary Waveform：

In the Non-volatile Memory, each waveform storage place saves only one waveform. If a new one is stored, the old one will be erased.

 For a waveform containing points less than128K, one place will be used.  For a waveform containing points from128K to 256K, two sequential places

will be used.

 For a waveform containing points from256K to 512K, All the 4 places will be

used.

Function

Menu

Settings

Explanation

File ARB1

Store the waveform to ARB1 location and name the file. Press Finish/Done to finish the operation.

File

ARB 2

Store the waveform to ARB2 location and name the file. Press Finish/Done to finish the operation.

File

ARB 3

Store the waveform to ARB3 location and name the file. Press Finish/Done to finish the operation.

File

ARB 4

Store the waveform to ARB4 location and name the file. Press Finish/Done to finish the operation.

Table 2-19 The Menu Explanations of Saving New Waveform

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Function

Menu

Settings

Explanation

ARB

Mem1

Select the Arb Waveform stored in the

non-Volatile Memory. The default location is: C:\ARB1:ARB_1

ARB Mem

2

Select the Arb Waveform stored in the non-Volatile Memory. The default location is: C:\ARB2:ARB_2

ARB Mem

3

Select the Arb Waveform stored in the non-Volatile Memory. The default location is: C:\ARB3:ARB_3

ARB Mem

4

Select the Arb Waveform stored in the non-Volatile Memory. The default location is: C:\ARB4:ARB_4

Function

Menu

Settings

Explanation

Edit Arb

Edit the selected waveform

2. To Edit the Stored Waveform

Press Arb  Edit Wform  Edit Stored , to enter the following interface.

Figure 2-36 Table 2-20 The Menu Explanations of Editing Stored Waveform

(Page 1/2)

Figure 2-37 Table 2-21 The Menu Explanations of Editing Stored Waveform

(Page 2/2)

3. To Delete a Waveform

Press Arb  Edit Wform  DELETE Wform , to delete a waveform.

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2-32

Type

Shape

Depth

Carrier

Frequency

Carrier

Amplitude

Carrier Amplitude

Carrier

Waveform

Modulating

Waveform

Source

To Generate the Modulated Waveform

Use the Mod button to generate modulated waveform. DG3000 Series can generate AM, FM, FSK, PM and PWM modulated waveforms. Modulating parameters vary with the types of the modulation. In AM, users can set the Source (Internal/ External), depth, Modulating Frequency, Modulating Waveform and Carrier Waveform; in FM, users can set the Source (Internal/ External), Frequency Deviation, Modulating Waveform and Carrier Waveform; in FSK, users can set the Source (Internal/ External), Frequency Range, Internal Rate, Modulating Waveform and Carrier Waveform; in PM, users can set the Source (Internal/ External), Phase Deviation, Modulating Frequency, Modulating Waveform and Carrier Waveform; in PWM, users can set the Modulating Frequency, Pulse Width Deviation, Modulating Waveform and Source (Internal/ External) etc.

We will cover how to set these parameters in details according to the Modulation types.

Figure 2-38

The Display Interface of Modulated Waveform Parameter

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2-33

Function

Menu

Settings

Explanation

AM Freq

Set the modulating waveform frequency. Frequency Range: 2mHz~20kHz ( Internal Source Only ).

AM Depth

Set the amplitude range

Type

AM

Amplitude Modulation

Shape

Sine Square Triangle UpRamp DnRamp Noise Arb

Choose the modulating Waveform. To change the Carrier Waveform parameter, press Sine, Square etc.

Source

Internal

The Source is Internal

External

The Source is External. Use the [Modulation In] connector in the Rear panel.

Term Explanation Modulation Depth

The Amplitude Range (also called “Percentage Modulation”). Modulation Depth varies from 1% to 120%.

 In the 0% Modulation, the output amplitude is the half of the set one.  In the 100％ Modulation，the output amplitude is the same with the set one.  For an external source, the depth of AM is controlled by the voltage level of the

connector connected to the [Modulation In]. +5V corresponds to the currently set depth 100%.

AM

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. In AM, the Amplitude of the Carrier Waveform varies with the instantaneous voltage of the modulating waveform. The Parameters for the AM are in table 2-22.

Press Mod  Type  AM , to enter the following menu.

Figure 2-39 Table 2-22 The Menu Explanations of the AM Parameters

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2-34

Modulating

Frequency

Deviation

FM

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. In FM, the Frequency of the Carrier Waveform varies with the instantaneous voltage of the modulating waveform. The Parameters for the FM are as shown in figure 2-40.

Figure 2-40

The Setting Interface of FM Waveform Parameter

Press Mod  Type  FM , to enter the following menu.

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2-35

Term Explanation Frequency Deviation

 The Deviation should be equal to or less than the Carrier Waveform Frequency.  The Sum of the Deviation and the Carrier Frequency should be equal to or less

than maximum frequency of the selected function plus 1kHz.

 For an External Source, the Deviation is controlled by the voltage Level of

the Connector connected to the [Modulation In]. +5V corresponds to the selected Deviation and -5V to the negative selected Deviation.

Function

Menu

Settings

Explanation

FM Freq

Set the modulating waveform frequency. Frequency Range: 2mHz~20kHz (Internal Source Only).

FM Dev

Set the Frequency Deviation between the Modulating Waveform and the Carrier Waveform

Type

FM

Frequency Modulation

Shape

Sine Square Triangle UpRamp DnRamp Noise Arb

Choose the modulating Waveform. To change the Carrier Waveform parameter, press Sine, Square etc.

Source

Internal

The Source is Internal

External

The Source is External. Use the [Modulation In] connector in the Rear panel.

Figure 2-41 Table 2-23 The Menu Explanations of the FM Parameters

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2-36

FSK Rate

Hop

Frequency

FSK

The FSK Modulation is a modulation method, the output frequency of which switches between two the pre-set frequencies (Carrier Waveform Frequency and the Hop Frequency). The Frequency of the Output Frequency switch between the carrier waveform frequency and the Hop frequency is called the FSK rate. The frequency by which the output frequency switch from each other is determined by the Internal Frequency generator or the Signal Voltage Level offered by the Ext Trig/FSK/Burst connector in the rear panel:

Figure 2-42

The Setting Interface of FSK Waveform Parameter

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2-37

Press Mod  Type  FSK , to enter the following interface.

Function

Menu

Settings

Explanation

FSK Rate

Set the frequency at which the output frequency shifts between the carrier frequency and the Hop frequency (Internal Modulation Only): 2mHz~100MHz

Type

FSK

Frequency Shift Keying Modulation

Hop Freq

Set the Hop Frequency

Source

Internal

The Source is Internal

External

The Source is External. Use the [EXT Trig/FSK/Burst] connector in the Rear panel.

Figure 2-43 Table 2-24 The Menu Explanations of the FSK Parameters

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2-38

Phase

Deviation

PM Frequency

PM

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. In PM, the Phase of the Carrier Waveform varies with the instantaneous voltage Level of the modulating waveform. The Parameters for the PM are as shown in figure 2-44.

Figure 2-44

The Setting Interface of PM Waveform Parameter

Press Mod  Type  PM, enter the following interface.

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2-39

Figure 2-45 Table 2-25 The Menu Explanations of the PM Parameters

Function

Menu

Settings

Explanation

PM Freq

Set the modulating waveform frequency. Frequency Range: 2mHz~20kHz (Internal source Only).

Phase Dev

Set the Phase Deviation between the Modulating Waveform and the Carrier Waveform, ranging from 0o to 360o

Type

PM

Phase Modulation

Shape

Sine Square Triangle UpRamp DnRamp Noise Arb

Choose the modulating Waveform. To change the Carrier Waveform parameter, press Sine, Square etc.

Source

Internal

The Source is Internal

External

The Source is External. Use the [Modulation In] connector in the Rear panel.

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2-40

PWM

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. In PWM, the width of the Carrier Waveform (Pulse) varies with the instantaneous voltage of the modulating waveform. The parameters for PWM are as shown in figure 2-46.

PWM can only be used for pulse modulation, press Mod, enter the modulation interface, you may discover that the function key PWM is cryptic when you choose the modulation type, but it will appear when you pressMod in the Pulse interface.

Figure 2-46

The Setting Interface of PWM Waveform Parameter

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2-41

Function

Menu

Settings

Explanation

PWM

Freq

Set the modulating waveform frequency. Frequency Range: 2mHz~20kHz (only for internal source).

Width

Dev

Set the width deviation

Type

PWM

Pulse Width Modulation

Shape

Sine Square Triangle UpRamp DnRamp Noise Arb

Choose the modulating Waveform. To change the Carrier Waveform parameter, press Sine, Square etc.

Source

Internal

Choose the internal source.

External

Choose the external source, use the linker [Modulation In] in the rear panel.

Press Pulse  Mod , enter the following menu.

Figure 2-47 Table 2-26 The Menu Explanations of the PWM Parameters

Note:

The maximum range of the (duty deviation)/(width deviation) is the smaller one in [(pulse duty/width), 1-pulse width].

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2-42

Start Frequency

Stop Frequency

Sweep Time

Sweep Type

Source

Trigger

To Generate Sweep

In the frequency sweep mode, the function generator “steps” from the start

frequency to the stop frequency at the sweep rate you specify. Sweep can be generated by Sine, Square, Ramp or Arbitrary Waveforms (Pulse, Noise and DC are not allowed).

Figure 2-48

The Setting Interface of Sweep Waveform Parameter

Press Sweep button to enter the following menu. Set the Waveform parameters by using the operation menu.

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2-43

Function

Menu

Settings

Explanation

Swp Time

Set the Time Span of the Sweep for which the Frequency changes from the Start Frequency to Stop Frequency.

Stop Freq

Freq Span

Set the Stop Frequency of the Sweep Set the Frequency Span of the Sweep

Start Freq

Center Freq

Set the Start Frequency of the Sweep Set the Center Frequency of the Sweep

Source

Internal External

Mannal

Choose Internal Source Choose External Source, use the [Ext Trig/FSk/Burst] connector in the rear panel Choose External Source, set the start and stop time by hand

Function

Menu

Settings

Explanation

Trig

Off

Set Signal Triggered at Rise Edge Set Signal Triggered at Fall Edge Turn off Trigger Setting

Linear

Log

Set the Sweep with linear spacing Set the Sweep with logarithmic spacing

Figure 2-49 Table 2-27 The Menu Explanations of Waveform Sweep (Page 1/2)

Sweep Frequency Setting

Use Start Freq and Stop Freq or Center Freq and Freq Span to set the range of the frequency. Press the button again to switch between each other.  To Sweep upward, set the Start Frequency lower than the Stop Frequency, or set

a positive frequency interval.

 To Sweep downward, set the Start Frequency higher than the Stop Frequency, or

set a negative frequency interval.

Figure 2-50 Table 2-28 The Menu Explanations of Waveform Sweep (Page 2/2)

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2-44

Start Phase

Cycle Period

Delay

Burst Period

Trigger Setting

N Cycle

Source

To Generate Burst

Burst Function can generate versatile waveforms in burst, which can last specific times of waveform cycle(N-Cycle Burst), or when external gated signals( Gated Burst) is applied, any waveform could be used, But noise can only be used in Gated Burst.

Press Burst button to enter the following interface. Set the Waveform parameters by using the operation menu.

Figure 2-51

The Setting Interface of Burst Waveform Parameter

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2-45

Function

Menu

Settings

Explanation

Burst

Period

Set the Burst Period

Start

Phase

Set the Start Phase of the Burst

N Cycle

Gated

Use the N-Cycle Mode Use the Gated Mode

Source

Internal External

Manual

Choose Internal Source Choose External Source, use the [EXT Trig/FSK/Burst] connector in the rear panel Choose External Source, set the start and stop time by hand

Set the N-Cycle Burst

Press Burst  N Cycle , to enter the following interface.

Figure 2-52 Table 2-29 The Menu Explanations of the N-Cycle Parameters

(Page1/2)

Burst Period

Set the time span between an N-Cycle Burst and the next. If necessary the period will increase to allow the specific number of cycles in a burst. Burst Period> Period X Burst Number

Start Phase

Define the Start and the Stop Point in a waveform. The phase varies from -360° to +360°, and the default setting is 0°. For an Arbitrary Waveform, 0° is the first waveform point.

N-Cycle/ Gated

N-Cycle has specific number of waveform cycles, and every burst is activated by a trigger event. Gated burst use external source to control burst as when to be activated.

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2-46

Function

Menu

Settings

Explanation

Trig Off

Signal Triggered at Rise Edge Signal Triggered at Fall Edge Turn off Trigger Setting

#Cycle

Infinite

Set the Number of the bursts in a N-Cycle Set the Number of the bursts in a N-Cycle to be infinite

Delay

Set the Delay time before the burst starts

Figure 2-53 Table 2-30 The Menu Explanations of the N-Cycle Parameters (Page2/2)

# Cycle

Set the number of Waveform Cycle in an N-Cycle (1 to 1,000,000 or Infinite). If you choose Infinite, then a continuous waveform will be generated which will not stop until a trigger event happens (Trigger button is pressed).

 If needed, Burst Period will increase to cater to the specific number of cycles.  For a frequency greater than 25MHz, only a bust with infinite cycles is allowed.  For an infinite-cycle Burst, External or Manual Trigger is needed to activate burst.

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.

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2-47

Function

Menu

Settings

Explanation

Start

Phase

Set the Start Phase for the Gated Signal

N Cycle

Gated

Set the Gated Mode

Polarity

Positive

Negative

Set the Polarity for the Gated Signal

Set the Gated Burst

Press Burst  Gated , to enter the following interface.

Figure 2-54 Table 2-31 The Menu Explanations of the Gated Burst Parameters

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2-48

Function

Menu

Settings

Explanation

File Type

State

Data

All File

The Setting of the Generator Arbitrary Waveform file All kinds of files

Browser

Path

Directory

File

Shift between the Path, Directory and file

Save

Save the waveform to the appointed place

Recall

Recall the waveform or Setting information in the specific position in the memory.

To Store and Recall

Press Store/Recall Button to enter the following interface. You can save or recall the State or Data Documentation inside the Generator. The status file and data file on the U Disk are also allowed to rebuild or delete. File names can either be Chinese or English.

Figure 2-56 Table 2-32 The Menu Explanations of Save and Recall (Page 1/2)

Figure 2-55 The Save and Read Interface

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2-49

Function

Menu

Settings

Explanation

Delete

Delete the selected file

Figure 2-57 Table 2-33 The Menu Explanations of Save and Recall (Page 2/2)

About the browser

The directory selection shift is done by the direction keys. In the directory mode, pressing the right key will open the lower directory while the left key will fold the directory. Up and Down key are used to shift between the directories; in the Path mode, right key stands for the lower directory, left key upper, up key route, and down key the lowest or the stroll bar between the files.

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To Save the Instrument State

Users are allowed to store the instrument state in any of the 4 Non-Volatile Memories. The state storage will “memorize” the selected function (including the Arbitrary Waveform), Frequency, Amplitude, DC Offset, Duty Cycle, Symmetry, and other modulation parameter used.

To Save the Instrument State, the procedures are given as follows:

1. Choose the file Type to store

PressStore/Recall  Type  State , and choose State as the storage type.

2. Choose the location of the file.

There are four positions in the Local(C :) STATE1, STATE2, STATE3 and STATE4, choose anyone of them by rotating the knob.

3. Name the file and Save it

Press Save button, enter the desired name. Press End/Store to finish.

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To Save Data

Users are allowed to store data document in any of the 4 Non-Volatile Memories. If the place is already occupied, new document will cover the old one. The procedures for data storage are given as follows:

1. Choose the file Type to store Press Store/Recall  Type  data, and choose data as the storage type.

2. Choose the location of the file. There are four positions in the Local(C :) ARB1, ARB2, ARB3 and ARB4, choose anyone of them by rotating the knob.

3. Name the file and Save Press Save button, enter the desired name. Press End/Store to finish.

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The Seamless Interaction of DG3000 and DS1000

Above we have introduced to you the interfaces of DG3000, and mentioned the USB Host Interface. Below, we will introduce to you how to use this interface to connect DG3000 and DS1000 to realize the nondestructive data Transmission.

Step one, Connect DG3000 with DS1000, and acquire data.

Step two, Connect the USB Host Interface of DG3000 with the USB Device Interface of DS1000. View the waveform acquired. The procedures are given as follows:

View the Acquired Waveform

Press Store/Recall Button, to enter the following menu.

Figure 2-58 The Recalling the Waveform Interface

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Press Browser  Directory , use the knob to select DS1102C and make it be displayed in inverse color.

Figure 2-59 Choose the Directory

Press Browser  File , use the direction key to choose CC

H

1

：

O

N

C

H

and make it be

1

：

O

N

1

：

O

N

displayed in inverse color (choose the channel that you want to recall the information).

Figure 2-60 Choose the Channel

When the preparation is done, the following steps will help you read the information DS1000 acquired.

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Press Recall and DG3000 will recall the waveform data acquired by DS1000 into the Volatile Memory. Note: when recalling, DG3000 will recall once and write once, so there will be 2 processing bar. If there is only one shown, it means that the recall operation is unsuccessful.

To generate the waveform acquired

Press Arb  Sel Wform  Volatile Wform , to load the waveform just recalled.

Figure 2-61 Load the Waveform

Notes：The frequency shown on DG3000 may vary greatly from what you imagine. This is because that DG3000 consider the waveform acquired as a period. If you want to get the real period of the generated waveform, you have to use the frequency value shown on DG3000 times the number of the real period in this false period.

As shown in the figure below, this is the waveform shown on another DS1000 using the above operation. Please note that the frequency shown on this instrument is the same as the precious one.

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Figure 2-62 The Reappearance Waveform

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To Save the data in the Volatile memory into the

Non-Volatile Memory

The information in the Volatile Memory will disappear once the instrument is powered off. To save the valuable information, save the information to the Non-Volatile Memory.

First edit the Arbitrary Waveform in the Arb function and press Arb  Edit Wform ,

Figure 2-63 Edit the waveform

Choose Edit Volatile  2/2 page and and edit the Points,

Figure 2-64

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Choose 2/2 page Store in Non-Volatile ,

Figure 2-65

Press Store/Recall, choose the location, to finish the operation.

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Figure 2-66 Choose the Location

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To Use USB Storage

As is shown in figure 2-67, the storage location is divided into: The internal Storage Local(C :) and the U Disk storage U Disk (A :). At the left side of the front panel, there is a USB interface. When a USB storage is connected, the storage menu will show “Mobile Disk (A:)”. Otherwise, the default location is the internal location Local(C :).

Figure 2-67 To Use the USB Storage

1. Install the Mobile Disk Insert the Mobile Disk into the USB interface on the front panel, and the screen will show “Detect a Mobile Disk”, and storage menu will show “Mobile Disk ( A:)”

2. Choose the Mobile Disk Press Browser Directory, move the cursor with the up or down direction key to select “Mobile Disk ( A:)”. Press the right key to open the lower directory, use the up and down direction key to choose the file” DG3000”. Use the right key to open the lower directory, and up and down key to select the file “Workspace”. Input the file name and save.

3. Remove the Mobile Disk Remove the Mobile Disk from the Interface. The system will inform you “The Mobile Disk is removed”, and the “Mobile Disk (A:)” in the storage menu will disappear.

Note: Mobile Disk can only be U Disk; portable hard disk is not supported.

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Function

Menu

Settings

Explanation

Input

Type

En

Chn(s)

English Input Chinese Input

SELECT

Select the current character

Delete

Delete the current character

End/

Store

Store the file with the current name

To Save a File

Press Store/Recall  Store , to enter the following interface. Enter the desired file name in the “File Name” frame. In the middle of the figure below is the input keypad, used to edit the file name. Use the up and down direction keys and knob to select the desired character; use the left and right direction keys to edit the input file name.

Figure 2-68 The File Storage Interface

Figure 2-69 Table 2-34 The Menu Explanation of File Storage

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File Name

Input Window

Key Pad

1. English Input

The English Input Interface is as shown in figure 2-70, to save a file named “NewFile”, follow the steps below:

Figure 2-70 The English Input Interface

(1) Press Input Type  En , to enter the English Interface. (2) Input the file name” NewFile”.

Use the Knob to adjust the cursor’s horizontal position and the up and down key to adjust the vertical position. Select the Character “N” and press Select. Repeat this until you have inputted “NEWFile” . Press the +/- button on the number Keypad to shift into the Capitalized Input mode

(3) Edit the File Name

When you have entered a wrong character, move the cursor to the wrong character to be deleted and press Delete to remove it. Reenter the file name.

(4) Press End/Store , to finish and save the file.

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Key Pad

Input Menu

File Name

Input

Window

Page

Controller

2. Chinese Input

The Chinese Input Interface is as shown in figure 2-71. To save a new file named “信号发生器”, follow the instructions below:

Figure 2-71 The Chinese Input Interface

(1) Press Input Type  Chn(s) , to enter the Chinese Input Interface. (2) Press the “+/-”button on the Number Keypad, to shift Capitalization, and choose

the input to be Minuscule and enter Chinese.

(3) Input the file name : “信号发发生器”

Use the Knob to adjust the cursor’s horizontal position and the up and down key to adjust the vertical position. Select the Character “q” and press Select .

Repeat till all the needed characters are selected. In the Input Menu, choose the Chinese character you need with the help of the page controller and the 1~9 button on the keypad.

(4) Edit the wrongly input

When a file name is wrong, move the cursor to the character to remove and press Delete to remove it and reenter the file name.

(5) Press End/Store , to finish and save the file.

Notes: The length of file name user can edit is up to 24 characters or 12 Chinese characters (The file can be stored in U-disk or non- volatile memories, but the length of file name has the limit). The length limit in non-volatile memories is 12 characters or 6 Chinese characters; the limit in U-disk is 39 characters or 19 Chinese characters. If surpass the length limit, N/A is shown.

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Function

Menu

Settings

Explanation

DC

On Off

Set the output waveform to be DC Set the output waveform to be Arbitrary.

Sync

On

Off

Activate the Sync Signal on the [Sync] Connector on the front panel. Deactivate the Sync Signal on the [Sync] Connector on the front panel.

Output

Setup

Set the Output parameter

I/O

Setup

Set the I/O

To Set the Utility Function

With the Utility Function, you can set the parameters of the Generator such as: DC On/Off, Sync On/Off, Output Parameter, Interface Parameter, System Setting and Testing Parameter. The DC switch offers the options of DC output or Arbitrary Waveform Output. Sync Switch offers the option to choose the Sync Signal or not. Output Setting provides the parameter setting for Load/Impedance, Range, Normal/ Inverse and Phase. Interface Setting offers the storage and load of the configure parameter setting for GPIB (IEEE-488), LAN, RS232 or USB remove Control. The System Setting provides the setting for Language, Display, Beep, Screen Guard, Format, Power System Configure and default setting; Test provides the self-testing and calibration storage.

Press Utility button, to enter the Utility Menu. Its functions are listed below in table 2 －26.

Figure 2-72 Table 2-35 The Menu Explanations of Utility System Setting

(Page1/2)

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Instruction Sync Switch Setting：

When the amplitude is relatively low, disabling Sync Signal can reduce the distortion in output. The current choice is stored in Non-Volatile Memory.

Function

Menu

Settings

Explanation

System

Setup

Set the System Configuration

Test/

Cal

Test and Calibrate the instrument

Figure 2-73 Table 2-36 The Menu Explanations of Utility System Setting

(Page2/2)

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Offset

DC ON

To Set the DC Output

Press Utility  DC  On , to enter the following interface. Please note that there

is a “DC ON” sign at the top left of the screen.

Figure 2-74 The DC Setting Interface

DC Offset

Set the DC Voltage Level.

To Shift into the Arbitrary Waveform Output

1. Press Utility  DC  DC Off , to close DC Output and return to Arbitrary

Waveform output.

2. Press any functional button, and the waveform output setting turns into the

arbitrary waveform output. The DC option is turned off automatically.

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To Set the Sync Output

The Generator provides Sync output through the [Sync] Connector on the Front Panel. All standard output functions (except DC and Noise) have a corresponding Sync Signal. For some Sync applications, they can be disabled if users do not want to use them,  In the default setting, the Sync Signal should be connected to the [Sync]

Connector (activated). When the Sync Signal is disabled, the output Voltage of the [Sync] Connector is Level Low.

 In the Inverse Mode, the Waveform that corresponds to the Sync Signal does not

Inverse.

 For Sine, Square, Ramp and Pulse Signal, the Sync Signal is a Square Signal with

50% Duty Cycle. When the output is positive, The Sync Signal is TTL Level High compared to 0 V Voltage or DC Offset; when the output is negative, The Sync Signal is TTL Level Low compared to 0 V Voltage or DC Offset.

 For Arbitrary Waveform, the Sync Signal is a Square Waveform with 50% Duty

Cycle. At the time when the first output waveform point is generated, the Sync Signal Voltage is TTL Level High.

 For Internal Modulating AM, FM and PM, 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 Signal). The Sync Signal is also a Square Waveform with 50% Duty Cycle

 For FSK, the Sync Signal Reference is the Hop Frequency, and the Sync Signal is

a Square Waveform with 50% Duty Cycle. For the Hop Frequency, at the hopping point, the Sync Signal is TTL Level High.

 For a Sweep which disables the Mark function, the Sync Signal is a Square

Waveform with 50% Duty Cycle. When the Sweep starts, the Sync Signal is TTL Level High and turns Low at the Center of the Sweep. The Sync Frequency equals the specific Sweep time. For a Sweep that enables the Mark Function, the Sync Signal is TTL Level High at the beginning of the Sweep and turns Low at the Mark Frequency.

 For the Burst, when the burst starts, the Sync Signal is Level High. At the specific

point when the Cycle Number ends, the Sync Signal turns Level Low (If the Waveform has a relative starting phase, it may be not zero intersections). For an infinite burst, the Sync Signal is the same with the Sync Signal of the continuous Signal.

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 For the External Gated Burst, the Sync Signal follows the External Gated Signal.

But, please note that this signal will not turn Level Low until the end of the last period (If the Waveform has a relative starting phase, it may be not zero intersections).

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Function

Menu

Settings

Explanation

Load

High Z

Set the Load connected to the Output Connector. Set the Load connected to the Output Connector to be High_Z.

Range

Auto

Hold

Allow the Instrument to choose the best Amplifier/ Attenuator Disable the Auto Adjusting

Normal

Invert

Normal Output Inverse Output

Adjust Phase

Set the Phase Offset of the Output Waveform

Digit-Modu

Power-Off

Digital Module Power On/Off

Work-Mode

Independ

Set the work-mode of Digital Output Module (DG-POD-A) as independ work or online work

To Set Output Parameter

Press Utility  Output Setup , to enter the following interface.

Figure 2-75 Table 2-37 The Menu Explanations of Output Setting (Page 1/2)

Figure 2-76 Table 2-38 The Menu Explanations of Output Setting (Page 2/2)

Note: About DG-POD-A, please refer to its User’s Guide.

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Instruction

DG3000 Series has a fixed 50Ω Series Impendence. No matter what Value the set parameter is, if the real load is different from the set one, the displayed voltage will not equal the real voltage.

1. To Set the Output Load

For the [Output] Connector on the Front panel, the Generator has a built-in 50Ω series 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  Output Setup  Load , to enter the following interface.

Please note that the Load Parameter shown on the right bottom is the default setting when the power is on or the pre-set load value. If the current value is valid for the output, then is current value will be used.

(2) Input the desired Load Value.

Use the Keypad or the Knob to enter the desired value and choose the unit, Ω or KΩ, press the corresponding button.

Figure 2-77 Set the Output Load

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2. To Set the Invert Waveform

Normal

Invert

Press Utility  Output Setup  Invert , to set the Inverse Waveform Output.When the waveform is Inverse, no offset will change. An non-inverse waveform will be displayed in the Graph Mode.

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Figure 2-78 The Normal Waveform

Figure 2-79 The Inverse Waveform

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Function

Menu

Settings

Explanation

Phase

Set the Output Phase by degree.

Set 0

Phase

Reset the phase to 0.

3. To Adjust the Phase

Press Utility  Output Setup  Adjust Phase , to enter the following interface.

Figure 2-80 Set the Phase

Figure 2-81 Table 2-39 The Menu Explanations of Phase Adjust

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Function

Menu

Settings

Explanation

GPIB

Address

Set the GPIB Address

LAN

Set the LAN configuration parameter

Show

USB Id

Show USB Address

RS232

Set the RS232 Interface

To Set the I/O

Press Utility  I/O Setup , to set the I/O.

Figure 2-82 Table 2-40 The Menu Explanations of I/O Setup

Set the GPIB address any number between 0 and 30. The default setting is “1”.the

Address is stored in the Non-Volatile Memory, and will show when the power is on. The I/O Setting offers the Storage and Load of the configuration parameter setting of the GPIB（IEEE-488）, RS232 or LAN which are used for remote control. GPIB and RS232 can not be used together.

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Function

Menu

Settings

Explanation

IP

Setup

Set the corresponding parameter for IP

DNS

Setup

Set the corresponding parameter for DNS

Current

Config

The current setting information about the host

1. To Set the LAN

Offer the Storage and Load Operation of the Network Configuration needed for Remote Control of LAN Interface. You can configure IP Address, DNS setting or check the current network configuration.

Press Utility  I/O Setup  LAN , to enter the following interface.

Figure 2-83 Table 2-41 The Menu Explanations of LAN Setup

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Instruction Open DHCP：

Press DHCP  On , to allot the IP address dynamically. At this time, the IP Address, Subnet Mask and Default Gateway menu will hide.

Function

Menu

Settings

Explanation

DHCP

On

Off

Open DHCP setting, allot IP address dynamically Close DHCP setting, allot IP address manually

IP

address

Set the IP address

Subnet

Mask

Set the IP Mask

Default

Gateway

Set the Gate Way

IP Setup

Press Utility  I/O Setup  LAN  IP Setup , to enter the following interface.

Figure 2-84 Table 2-42 The Menu Explanations of IP Setup

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Function

Menu

Settings

Explanation

Host

Name

Set the Host Name

Domain

Name

Set the Domain

DNS

Server

Set the Server Address

Instruction

If the DHCP is enabled, and you want to use the DNS address DHCP Server returns, please set the Server to be “0.0.0.0”.

DNS Setup

Press Utility  I/O Setup  LAN  DNS Setup , to enter the following interface.

Figure 2-85 Table 2-43 The Menu Explanations of DNS Setup

Host Name

Set the Host Name, consists of letter, number and dash (“－”). Consult to your network administrator for information if you need to provide the Host name and the name to use. Use the knob and direction button to select the character (you can only use the keypad to enter number). The Host name will be stored to the Non-Volatile Memory.

Domain Name

Set the Domain Name with letter, number, dash (-) and dot (.).Consult to your network administrator for information if you need to provide the Domain name and the name to use. Use the knob and direction button to select the character (you can only use the keypad to enter number). The Domain name will be stored to the Non-Volatile Memory.

User’s Guide for DG3000 Series

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