Rigol Technologies DG1021, DG1011 User Manual

User’s Guide RIGOL

Publication number DG1-070518 May 2007

DG1000 Series Function/Arbitrary

Waveform Generator

RIGOL

z RIGOL products are protected by patent law in and outside of P.R. China.

z Information in this publication replaces all the corresponding materials

published previously.

z 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 the registered trademark of RIGOL TECHNOLOGIES, INC.

User’s Guide for DG1000 Series

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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 potential hazards, use the instrument in the manner specified in this user’s guide.

The instrument should be serviced only by qualified personnel.

To 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.

Connect the probe properly. Connect the output terminal of the signal properly, make sure that the potential difference between the output terminal of the signal’s terra line and the earth is lower than 40V DC. The probes’ ground terminals are at the same voltage level with the earth terminal of the instrument. Do not connect the ground terminals to a high voltage.

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’s guide carefully before making connections to the instrument.

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

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User’s Guide for DG1000 Series

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Use Proper Fuse. Only use the fuse type and rating specified for this product.

Avoid Circuit or Wire exposed. Do not touch the exposed connections or

components when the power is turn-on.

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

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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Safety Terms and Symbols Terms in This Guide. These terms may appear in this manual:

!

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:

Hazardous Voltage

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.

!

Refer to the Instructions

Protective earth terminal

Grounding Terminal of Chassis

Test Grounding Terminal

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User’s Guide for DG1000 Series

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RIGOL DG1000 Generator at a Glance

This guide covers the following two types of DG1000 Series Function/ Arbitrary Waveform Generators: DG1021、DG1011

RIGOL DG1000 Series Function/ Arbitrary Waveform Generator adopt the DDS technology, which can provide stable, high-precision, pure and low distortion sine signal. It can also provide 5MHz square waveform with fast rising and falling edges. 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.

DG1000 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 have greatly simplified the operation process, thus, 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 modulating functions generate modulated waveform at ease, without the help of a separate modulating source. The USB I/O is the standard accessory.

From the characteristics and specifications given below, you will understand how DG1000 can satisfy your measurement requirements.

z DDS technology provides precise, stable and low distortion output signal. z 10 standard waveforms:

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

z 100MSa/s sampling rate, enable to edit arbitrary waveform with 14-bit, 4K

points.

z Frequency characteristics:

Sine: 1µHz to 20 MHz Square: 1µHz to 5 MHz Ramp: 1µHz to 150 kHz Pulse: 500µHz to 3MHz White Noise：5MHz bandwidth (-3dB) Arbitrary waveform：1μHz to 5MHz

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z Amplitude range：2mVPP to 10VPP (50 Ω)

4mV

PP to 20VPP (High Z)

z Abundant modulation function, various modulated waveform: AM, FM, PM and

FSK.

z Linear, logarithm Sweep and Burst mode. z Abundant I/O: External Modulation Source, External 10 MHz Reference Input,

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

z Support USB storage device. Could store and read waveform configure

parameters or the edited arbitrary waveform with USB devices. System Updating could also be performed by using USB devices.

z Standard interface: USB Host & Device z Graph interface which shows the signal setting directly. z Multilanguage user interface. z Embedded Chinese/ English Help System. z Support Chinese/ English Input.

Notice:

All the indexes described in this guide are according to DG1021, if you

need to know the particular specifications about the other type, please

look over “Appendix A” in Chapter 6.

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User’s Guide for DG1000 Series

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Content

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

RIGOL DG1000 Generator at a Glance...........................................................................V

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

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

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

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

The DG1000 User Interface ............................................................................................1-7

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

To Set Modulate/ Sweep/Burst..................................................................................... 1-11

To Set Trigger/Output ................................................................................................... 1-13

To Use Digital Input ....................................................................................................... 1-14

To Use Store/Utility/Help Function............................................................................... 1-15

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

The Menu/Graph Mode.................................................................................................... 2-2

To Set Sine Signals........................................................................................................... 2-3

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

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

To Set Pulse Signals....................................................................................................... 2-12

To Set Noise Signals....................................................................................................... 2-14

To Set Arbitrary Signals................................................................................................. 2-15

To Set Counter................................................................................................................ 2-27

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

To Generate Sweep........................................................................................................ 2-41

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

To Store and Recall ........................................................................................................ 2-49

To Set the Utility Function............................................................................................. 2-56

How to Use the Built-in Help System........................................................................... 2-74

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

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

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

Example 3: To generate a Ramp Wave .........................................................................3-3

Example 4: To generate a Pulse Wave ..........................................................................3-4

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

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Example 6: To generate Arbitrary Waveform ...............................................................3-6

Example 7: To Generate an Arbitrary Waveform ......................................................... 3-7

Example 8: To Generate an AM Waveform ...................................................................3-9

Example 9: To Generate an FSK Waveform................................................................ 3-11

Example 10: To generate a Linear Sweep Waveform................................................ 3-13

Example 11: To generate a Burst Waveform .............................................................. 3-15

Example 12: To measure the frequency...................................................................... 3-17

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

Prompting Messages ........................................................................................................4-1

Troubleshooting ..............................................................................................................4-18

Chapter 5 Support & Service................................................................................. 5-1

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

Appendix A Specifications................................................................................................6-1

Appendix B DG1000 Series Accessories ........................................................................6-9

Appendix C General Care and Cleaning.......................................................................6-10

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User’s Guide for DG1000 Series

Chapter 1 Getting Started

This chapter covers the following topics:

 General Inspection

 To Ad j us t th e Han d le

 The Front/rear Panel of DG1000 Series

 The User Interface of DG1000 Series

 To Se t a Wave f o r m

 To Set Modulation/Sweep/Burst

 To Set Trigger/Output and Counter

 To Use Digital Input

 To Use Store/Utility/Help Function

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User’s Guide for DG1000 Series

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General Inspection

When you get a new DG1000 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 he 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 B: DG1000 Series Accessories". If the contents are incomplete or damaged, please contract the local selling representative of RIGOL.

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 of 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 DG1000 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 below in graphs 1-1 and 1-2.

Figure 1-1 The method of adjusting the handle

Figure 1-2 Adjustable Positions

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The Front/Rear Panel

When you get a new DG1000 Series Function/ Arbitrary Waveform Generator, first you need to know 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 Front Panel at a Glance

DG1000 Series Function/ Arbitrary Waveform Generator has clear and simple front panel. See Figure 1-3 and Figure 1-4. The Front Panel has a knob, functional keys and menu buttons. The 6 grey buttons below the screen are menu buttons, by using which you can choose different options on the current menu. The rests are the functional keys, with which you can enter different function menus or obtain specific functional applications directly.

Figure 1-3

Front Panel for DG1000 Series

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Front Panel Operation Instruction for DG1000 Series

The Rear Panel at a Glance

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Figure 1-4

Figure 1-5

Rear Panel for DG1000 Series

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Figure 1-6

Rear Panel Operation Instruction for DG1000 Series

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The DG1000 User Interface

DG1000 Series Function/ Arbitrary Waveform Generator provide two Display modes: Menu and Graph. Under the Menu Display mode, the display interface is divided into 4 parts: state, waveform icon, operation menu, and parameter display. See Figure 1-7. Under the Graph display mode, you can check the current waveform parameters in the graphics. The display interface is also divided into 4 parts: state, parameter display, display menu button and waveform display. See Figure 1-8. The operation menu will appear at the bottom of the screen when you press any menu button. These two display modes can be switched to each other by pressing the /A button.

State

Waveform

Operation

Menu

Parameter

Figure 1-7

The menu Display Mode Interface Instruction

Parameters

Display Menu

button

State

Parameter

Display

Waveform

Display

Figure 1-8

Graph Mode Display Interface Instruction

Note：

The signs for the buttons in this guide 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 shadow words such as Freq, which means the “Frequency” option in the Sine menu.

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To Set a Waveform

At the left of the operation panel, there is a set of buttons with waveform icon. See Figure 1-9. The exercise below will help you to be familiar with the waveform selection settings. The instructions of the waveform setting are all carried out in the Menu Display Mode.

Figure 1-9

Waveform Selection Buttons

1. Press Sine button, and the waveform icon turns into Sine with a “Sine” typeface in the state area. DG1000 Series Generator can generate Sine signal with frequency from 1μHz to 20MHz. By setting Frequency/Period, Amplitude/ High Level, Offset/ Low level, sine signal with different parameters can be generated.

Figure 1-10

Sine Signal in the Menu Display Mode

As shown in Figure 1-10, the default signal parameters are: 1kHz Frequency, 5.0 V Amplitude and 0 V

DC Offset.

PP

2. Press Square button, and the waveform icon turns into Square with a “Square” typeface in the state area. DG1000 Series Generator can generate Square signal with frequency from 1μHz to 5MHz and variable duty cycle. By setting Frequency/Period, Amplitude/ High Level, Offset/ Low level, and Duty Cycle, Square signal with different parameters can be generated.

Figure 1-11

Square Signal in the Menu Display Mode

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As shown in Figure 1-11, the default signal parameters are: 1kHz Frequency, 5.0 V

PP

Amplitude, 0 VDC Offset and 50% Duty Cycle.

3. Press Ramp button, and the waveform icon turns into Ramp with a “Ramp” typeface in the state area. DG1000 Series Generator can generate Ramp signal with frequency from 1μHz to 150 kHz and variable Symmetry. By setting Frequency/Period, Amplitude/ High Level, Offset/ Low level, and Symmetry, Ramp signal with different parameters can be generated.

Figure 1-12

Ramp Signal in the Menu Display Mode

As shown in Figure 1-12, the default signal parameters are: 1kHz Frequency, 5.0 V

PP

Amplitude, 0 VDC Offset and 50% Symmetry.

4. Press Pulse button, and the waveform icon turns into Pulse with a “Pulse” typeface in the state area. DG1000 Series Generator can generate Pulse signal with frequency from 500μHz to 3MHz and variable Pulse Width. By setting Frequency/Period, Amplitude/ High Level, Offset/ Low level, Pulse Width and Duty Cycle, Pulse signal with different parameters can be generated.

Figure 1-13

Pulse Signal in the Menu Display Mode

As shown in Figure 1-13, the default signal parameters are: 1kHz Frequency, 5.0 V

PP

Amplitude, 0 VDC Offset, 200μs Pulse Width.

5. Press Noise button, and the waveform icon turns into Noise with a “Noise” typeface in the state area. DG1000 Series Generator can generate Noise signal with Band Width up to 5MHz. By setting Amplitude/ High Level, Offset/ Low level, Noise signal with different parameters can be generated.

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Figure 1-14

Noise Signal in the Menu Display Mode

As shown in Figure 1-14, the default signal parameters are: 5.0 V V

DC Offset.

PP Amplitude and 0

6. Press Arb button, and the waveform icon turns into Arb with an “Arb” typeface in the state area. DG1000 Series Generator can generate repeatable arbitrary waveform signals with at most 4K points and 3MHz frequency. By setting Frequency/Period, Amplitude/ High Level, Offset/ Low level, arbitrary waveform signals with different parameters can be generated.

Figure 1-15

Arbitrary waveform Signal in the Menu Display Mode

As shown in Figure 1-15, the default Exponential Rise Signal parameters are: 1kHz Frequency, 5.0 V

PP Amplitude and 0 VDC Offset.

7. Press Count button, and the waveform icon turns into Arb with an “Count” typeface in the state area. Select “Freq”, “Period”, “PWidth”, “NWidth”, the screen will display corresponding measure result. Select “Setup” to set the parameters of input coupling method, sensitivity, trigger level and high frequency on/off.

Figure 1-16

General interface of the counter

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To Set Modulate/ Sweep/Burst

As shown in Figure 1-17, 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 1-17

Modulate/ Sweep/ Burst button

1. Press Mod button, and a Modulated waveforms will be generated. Parameters are set by using the menu buttons. The modulated waveform can be changed by changing the parameters such as Type, Internal/external Modulation, Depth, Frequency, Waveform, etc.

DG1000 Series can modulate waveform using AM, FM, PM and FSK. Sine, Square, Ramp or Arbitrary waveforms can be modulated (Pulse, Noise and DC cannot be modulated).

Figure 1-18

Modulated Waveform Signal in the Menu Display Mode

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, DG1000 Series generate signal with variable frequencies.

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Figure 1-19

Sweep Waveform Signal in the Menu Display Mode

3. Press Burst button, Burst for Sine, Square, Ramp, Pulse or Arbitrary waveform can be generated (Noise can only be used in the gated Burst).

Figure 1-20

Burst Waveform Signal in the Menu Display Mode

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.

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To Set Trigger/Output

As shown in Figure 1-21, 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 to be familiar with these functions.

Figure 1-21

Trigger/ Output Button

1. Press Trig/Run 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 continuously generate burst. At this time, press Trig/Run 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 continuously generated. At this time, press Trig/Run button, the instrument state will not change, and it will show “The instrument has already been triggered”.

Every time you press the Trig/Run 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 1-22, there are two groups of buttons on the operation panel, which are direction button, the knob and the keypad. The instruction below will help you to be familiar with the Digital Input Function.

(1) Direction Key and the Knob (2) Keyboard

Figure 1-22

Front Panel Digital Input

1. Use the Direction keys to move the cursor left or right. Rotate the knob to change a digit (clockwise to increase).

2. Use the Keypad to set the parameters values of the waveforms, which can change its value directly.

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To Use Store/Utility/Help Function

As shown in Figure 1-23, 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 to be familiar with these Functions.

Figure 1-23

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.

Operation Instruction

To get help：

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

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Chapter 2 Operating Your Generator

By now you have got a brief understanding of DG1000 series with the front/rear panel, every function control area and keys. You should also know how to set your function/ arbitrary waveform generator. If you are not familiar with these operations, please read Chapter 1 “Getting Started” again.

This chapter covers the following topics:

 Menu/Graph Mode ( /A )

 Setting Sine Signal ( Sine )

 Setting Square Signal ( Square )

 Setting Ramp Signal ( Ramp )

 Setting Pulse Signal ( Pulse )

 Setting Noise Signal ( Noise )

 Setting Arb Signal ( Arb )

 Setting counter ( Count )

 Output Modulated Signal ( Mod )

 Output Sweep Signal ( Sweep )

 Output Burst Signal ( Burst )

 Trigger Sweep or Burst ( Trig/Run )

 Store/Recall ( Store/Recall )

 Utility Setting ( Utility )

 Help System ( Help )

You are suggested to read this chapter carefully so as to understand DG1000 Series Generator’s versatile waveform setting Functions and the other operation methods.

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The Menu/Graph Mode

To activate the Graph Mode

Press /A, enter the Graph Mode. The name of the current selection parameter is shown on the top left corner of the screen, and its value is shown in inverse color. See Figure 2-1.

Display Menu

Button

Figure 2-1

Graph Mode Interface

To Select the Desired Parameter

To select the specific parameters, please press any menu button and the operation menu will pop out. Press the corresponding button to set the parameter. For example, if you want to change the frequency, press any menu button and select Freq menu. The direction button will help you find your desired parameter digit and change its value with the knob or the keypad, see Figure 2-2. In the Graph Mode, the parameters will still switch at a second press on the button, such as Amp/HiLev.

Current

Parameter

Output waveform

Frequency

Amp

Offset

Operation Menu

Figure 2-2

Setting the parameters in the Graph Mode

To Quit the Graph Mode

To quit the Graph Mode, press the / A and return the Menu Mode.

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To Set Sine Signals

In the Menu Mode, press Sine Key to call the Sine operation. The top left corner of the screen will show the name of the current waveform, see Figure 2-3. The output Sine waveform parameters are set using the Sine operation menu. The parameters for Sine waveforms are: Frequency/ Period, Amplitude/ High Level, Offset/ Low Level. Different Sine Signals are generated by using these parameters. As is shown in Figure 2-4, select Freq in the operation menu and the frequency parameter will show in the parameter area. Users then can change the frequency by using the direction button and the knob or the keypad.

Output

Waveform

Current

Operation Menu:

Controlled and

Operated by menu

button

Parameter

Figure 2-3 Sine Signal Parameter Setting Interface

Figure 2-4 Operation Menu

Table 2-1 Operation Menu for Sine Signal

Function

Menu

Frequency/

Period

Amplitude/

High Level

Offset/Low

Level

Settings Explanation

Setting the signal’s frequency or period; the

current parameter will switch at a second press.

Setting the signal’s Amplitude or High Level; the

current parameter will switch at a second press.

Setting the signal’s Offset or Low Level; the current parameter will switch at a second press

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To Set the Output Frequency/Period

(1) Press Sine Æ Freq/Period Æ Freq, to set the frequency parameter.

The frequency shown on the screen is the default value when the instrument is powered 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, 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.

Current Parameter:

Frequency

Figure 2-5 Setting the Frequency

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. When using the knob to input, use the direction buttons to select the digit you want to edit and rotate the knob to change its value.

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To Set the Output Amplitude

(1) Press Sine Æ Ampl/HiLev Æ Ampl, to set the amplitude.

The amplitude shown on the screen is the default value when the instrument is powered 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 Ampl/HiLev or Offset/Lolev again, switch to HiLev or LoLev 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.

Current Parameter:

Amplitude

Figure 2-6 Setting the Amplitude

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To Set the DC Offset

(1) Press Sine Æ Offset/LoLev Æ Offset, to set the offset.

The offset shown on the screen is the default value when the instrument is powered 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.

Current Parameter:

Offset

Figure 2-7 Setting the Offset

In the Graph Mode, the waveform is shown in Figure 2-8.

Figure 2-8 Waveform Parameter in the Graph Mode

Notes: the Setting of any waveform for DC Offset is the same as sine wave,

so we will not cover this topic hereon.

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To Set Square Signals

Press Square button, in the Normal Mode, the operation menu will appear at the bottom of the screen, see Figure 2-9. Set the Square parameters by using the operation menu. The parameters for Square waveforms are: Frequency/ Period, Amplitude/ High Level, Offset/ Low Level and Duty Cycle. See Figure 2-10. In the operation menu, select DtyCyc, and the corresponding parameter will be displayed in inverse color for which users can make a change.

Figure 2-9 Square Signal Parameter Setting Interface

Figure 2-10 Operation Menu

Table 2-2 Square Signal Operation Menu

Function

Menu

Frequency/

Period

Amplitude/ High Level

Offset/Low

Level

Duty Cycle Setting the Duty Cycle for Square Waveform

Settings Explanation

Setting the signal’s frequency or period; the

current parameter will switch at a second press.

Setting the signal’s Amplitude or High Level; the

current parameter will switch at a second press.

Setting the signal’s Offset or Low Level; the current parameter will switch at a second press

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Term Explanation:

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

Please Note : for the Frequency Duty Cycle Value Below 3MHz(included): 20% to 80% From 3MHz to 4MHz (included): 40% to 60%

From 4MHz to 5MHz (included): 50%

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To Set the Duty Cycle

(1) Press Square Æ DtyCyc, to set the Duty Cycle.

The Duty Cycle shown on the screen is the default value when the instrument is powered 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.

Current Parameter:

Duty Cycle

Figure 2-11 Setting the Duty Cycle

In the Graph Mode, the waveform is shown in Figure 2-12.

Figure 2-12 Waveform Parameters in the Graph Mode

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To Set Ramp Signals

Press Ramp button, in the Normal Mode, the operation menu will appear at the bottom of the screen, see Figure 2-13. Set the Ramp parameters by using the operation menu. The parameters for Ramp waveforms are: Frequency/ Period, Amplitude/ High Level, Offset/ Low Level and Symmetry. See Figure 2-14. In the operation menu, select Symm, and the corresponding parameter will be displayed in inverse color for which users can make a change.

Figure 2-13 Ramp Signal Parameter Setting Interface

Figure 2-14 Operation Menu

Table 2-3 Ramp Signal Operation Menu

Function

Menu

Frequency/

Period

Amplitude/ High Level

Offset/Low

Level

Symmetry Setting the Symmetry for Ramp Waveform

Term Explanation:

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

Input Range: 0~100%

Settings Explanation

Setting the signal’s frequency or period; the

current parameter will switch at a second press.

Setting the signal’s Amplitude or High Level; the

current parameter will switch at a second press.

Setting the signal’s Offset or Low Level; the current parameter will switch at a second press

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To Set the Symmetry

(1) Press Ramp Æ Symm, to set the Symmetry.

The Symmetry shown on the screen is the default value when the instrument is powered 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.

Current Parameter:

Symmetry

Figure 2-15 Setting the Symmetry

In the Graph Mode, the waveform is shown in Figure 2-16.

Figure 2-16 Waveform Parameter in the Graph Mode

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To Set Pulse Signals

Press Pulse button, in the Normal Mode, the operation menu will appear at the bottom of the screen, see Figure 2-17. Set the Pulse parameters by using the operation menu. The parameters for Pulse waveforms are: Frequency/ Period, Amplitude/ High Level, Offset/ Low Level Pulse Width and Duty Cycle. See Figure 2-18. In the operation menu, select Width, and the corresponding parameter will be displayed in inverse color for which users can make a change.

Figure 2-17 Pulse Signal Parameter Setting Interface

Figure 2-18 Operation Menu

Table 2-4 Pulse Signal Operation Menu

Function

Menu

Frequency/

Period

Amplitude/ High Level

Offset/Low

Level

Width/ DtyCyc

Settings Explanation

Setting the signal’s frequency or period; the

current parameter will switch at a second press.

Setting the signal’s Amplitude or High Level; the

current parameter will switch at a second press.

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

Setting the Pulse Width or Duty Cycle for Pulse Waveform.

Term Explanation:

Pulse Width: The time span between thresholds of 50% of the rising edge

amplitude to the next 50% of the falling edge amplitude.

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To Set the Pulse Width

(1) Press Pulse Æ Width, to set the Pulse Width.

The Pulse Width shown on the screen is the default value when the instrument is powered 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.

Current Parameter:

Pulse Width

Figure 2-19 Setting the Pulse Width

In the Graph Mode, the waveform is shown in Figure 2-20.

Figure 2-20 Waveform parameters in the Graph mode

Note: Pulse width and Duty cycle are equivalent, once a parameter is changed, the

other one will change accordingly. For instance, the current period is1ms, the pulse

width is 500µs and the duty cycle is 50％, when setting the pulse width to be 200µs,

the duty cycle will become 20％.

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To Set Noise Signals

Press Noise button, in the Normal Mode, the operation menu will appear at the bottom of the screen, see Figure 2-21. Set the Pulse parameters by using the operation menu.

The parameters for Noise waveforms are: Amplitude/ High Level and Offset/ Low Level. See Figure 2-22. In the operation menu, select Ampl, and the corresponding amplitude will be displayed in inverse color for which users can make a change for the amplitude of Noise, which has no frequency or period.

Figure 2-21 Noise Signal Parameter Setting Interface

Figure 2-22 Operation Menu

Table 2-5 Noise Signal Operation Menu

Function

Menu

Amplitude/ High Level

Offset/Low

Level

In the Graph Mode, the waveform is shown in Figure 2-23.

Settings Explanation

Setting the signal’s Amplitude or High Level; the

current parameter will switch at a second press.

Figure 2-23 Waveform Parameter in the Graph Mode

Setting the signal’s Offset or Low Level; the current parameter will switch at a second press

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To Set Arbitrary Signals

Press Arb button, in the Normal Mode, the operation menu will appear at the bottom of the screen, see Figure 2-24. Set the Arbitrary Waveform parameters by using the operation menu. Arbitrary Signals are divided into two categories: the built-in optional system waveforms and the user-definable arbitrary waveforms. The parameters for Arbitrary Waveforms are: Frequency/ Period, Amplitude/ High Level and Offset/ Low Level. See Figure 2-25. In the operation menu, select Freq, and the corresponding frequency will be displayed in inverse color for which users can make a change.

Figure 2-24

Arbitrary Signal Parameter Setting Interface

Figure 2-25 Operation Menu

Table 2-6 Arbitrary Signal Operation Menu

Function

Menu

Frequency/

Period

Amplitude/ High Level

Offset/Low

Level

Load Select the built-in Arbitrary Signal as Output.

Edit Create and Edit Arbitrary Waveform.

Settings Explanation

Setting the signal’s frequency or period; the

current parameter will switch at a second press.

Setting the signal’s Amplitude or High Level; the

current parameter will switch at a second press.

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

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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, following the instructions below:

Press Arb Æ Load, enter the interface shown below.

Figure 2-26 Operation Menu

Table 2-7 Selection Menu for Built-in Arbitrary Waveform

Function

Menu

Built-in

Stored

Volatile

Delete

Settings Explanation

Select one of the five built-in Arbitrary Waveforms

(See Table 2-8)

Select one of Arbitrary Waveforms stored in the

Non-volatile memory.

Select one of Arbitrary Waveforms stored in the

Volatile memory. When a new waveform is created, the old one will be erased. Delete one of the Arbitrary Waveforms stored in the Non-volatile memory. The five Built-in Waveforms can not be deleted. Cancel the current operation, and return to the upper menu. (The rest are the same and will not be covered)

Instructions:

1. When there is no waveform stored in the Non-Volatile Memory, the Stored Menu and the Delete Menu will hide.

2. When there is no waveform in the Volatile Memory, the Volatile menu will hide.

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User’s Guide for DG1000 Series

1. To Select the Built-in Waveform

Press Arb Æ Load Æ BuiltIn, enter the following interface.

Figure 2-27 Operation Menu

Table 2-8 The Built-in Arbitrary Waveforms Menu

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Function

Menu

ExpRise

ExpFall

Settings Explanation

Select the built-in Exponential Rise Waveform

Select the built-in Exponential Fall Waveform

NegRamp

Sinc

Select the built-in Negative Ramp Waveform

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

Cardiac Select the built-in Cardiac Waveform

Cancel

In the Graph Mode, the waveform is shown in Figure 2-28.

Figure 2-28

Waveform Parameter in the Graph Mode (Exponential Rising Waveform)

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2. To Select the Stored Waveform

Press Arb Æ Load Æ Stored, and enter the following interface. Select the desired waveform document which will be displayed in inverse color and press Recall to recall it from the memory.

Figure 2-29 Operation Menu

Table 2-9 The Stored Arbitrary Waveform Menu

Function

Menu

Settings Explanation

Local

Disk

U Disk

Choose display route for the system information

(When U Disk

is connected )

Setting of the Generator

Arbitrary waveform file

All types of documentation

Type

State

Data

All

Recall the waveform or Setting

Recall

information in the specific position in the memory.

Store

Remove

Save the waveform to the appointed place

Remove any waveform that has been stored in the memory

Instructions:

When there is no waveform stored in the Arb1, Arb2, Arb3 and Arb4, this menu will hide (The rest is the same and will not explain again)

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3. To Remove the Waveform

Press Arb Æ Load Æ Stored, and enter the following interface. Select the waveform documentation to be deleted which will be displayed in inverse color, and then press Remove to delete it.

Figure 2-30 Operation Menu

Table 2-10 Waveform Removal Menu

Function

Menu

Disk

Type

Recall

Store

Remove

Settings Explanation

Local

Choose display route for the

U Disk

system information

(When U disk

is connected )

State

Data

All

Setting of the Generator

Arbitrary waveform file

All types of documentation Recall the waveform or Setting

information in the specific position in the memory.

Save the waveform to the appointed place

Remove any waveform that has been stored in the memory

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To Edit the Arbitrary Waveform

The Generator allows users to edit Arbitrary Waveforms, which can create any new waveform by initializing points. The operation steps are as follows:

Press Arb Æ Edit, enter the interface shown below.

Figure 2-31 Operation Menu

Table 2-11 Waveform Edition Operation Menu

Function

Menu

Creat

Stored

Volatile

Delete

Settings Explanation

Create a new waveform, and erase the waveform

in the Volatile memory.

Edit the waveform stored in the non-Volatile

memory

Edit the waveform stored in the Volatile memory

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

Instructions:

1. When there is no waveform stored in the Non-Volatile Memory, the Stored Menu and the Delete Menu will hide.

2. When there is no waveform in the Volatile Memory, the Volatile menu will hide.

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User’s Guide for DG1000 Series

1. To Create a New Waveform

Press Arb Æ Edit Æ Creat, to set the overall parameters for the waveform. The setting interface is shown in Figure 2-32 and the menu in Table 2-12.

Figure 2-32

Interface for setting the new waveform parameters

Figure 2-33 Operation Menu

Table 2-12 Setting the parameters for the new waveform

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Function

Menu

Settings Explanation

Period Setting the Period for the Waveform

LevelHi Setting the Level High for the Waveform

LevelLo

Setting the Level Low for the Waveform

Activate the linear Interpolation between the

Interp On/

Off

defined points Deactivate the linear Interpolation between the defined points

Points

Set the number of points when Initializing the waveform

EditPt Start the Waveform Editor

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To Set the Point Number

Press Points, 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 to create a continuous waveform automatically. A waveform with at most 4K 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.

To Set the Interpolation

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

To Edit the Waveform Points

Press Arb Æ Edit Æ Creat Æ EditPt, The waveform can be defined by setting the time and voltage for each point using this function. The interface is as follows:

Figure 2-34 Operation Menu

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Table 2-13 Waveform Parameter Edition Menu

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Function

Menu

Settings Explanation

Point# Select the point to be edited

Time Set time for the Selected point

Voltage

Set Voltage for the Selected point

Insert a new point between the

Insert

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

Remove

Save

Remove the current point

Save the created waveform to the

non-Volatile Memory.

Instruction:

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

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Save the Waveform to the Non-Volatile Memory

Press Arb Æ Edit Æ Creat Æ EditPt Æ Save, enter the following interface. Select the desired waveform document to be saved, which will be displayed in inverse color and press Save to save it to the specific place.

Figure 2-35 Operation Menu

Table 2-14 Save New Waveform Menu

Function

Menu

Settings Explanation

Local

Disk

U Disk

(When a U

Choose display path for the system information

disk is

connected )

Setting of the Generator

Arbitrary waveform file

All types of documentation

Type

State

Data

All

Recall the waveform or Setting

Recall

information in the specified position in the memory.

Store

Remove

Save the waveform to the appointed place

Remove any waveform that has been stored in the memory

Instruction

To save the Arbitrary Waveform：

In the Non-volatile Memory, each waveform storage place can only save one

waveform. If a new one is stored, the old one will be erased.

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In the Graph Mode, the waveform is shown in Figure 2-36.

The default Arbitrary

Waveform

Figure 2-36

Waveform Parameter in the Graph Mode

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2. To Edit the Stored Waveform

Press Arb Æ Edit Æ Stored, enter the following interface. Select the desired waveform document to be edited, which will be displayed in inverse color and press Recall to recall and edit it in the Volatile memory.

Figure 2-37 Operation Menu

Table 2-15 Edit Stored Waveform Menu

Function

Menu

Settings Explanation

Local

Disk

U Disk

(When a U

Choose display path for the system information

disk is

connected )

Setting of the Generator

Arbitrary waveform file

All types of documentation

Type

State

Data

All

Recall the waveform or Setting

Recall

information in the specified position in the memory.

Store

Remove

Save the waveform to the appointed place.

Remove any waveform that has been stored in the memory

3. To Delete a Waveform

Press Arb Æ Edit Æ Delete, to delete a waveform. Select the desired waveform to be

deleted which will be displayed in inverse color and press Remove to delete it.

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To Set Counter

Press Count , in the normal mode, the screen display the operation menu of the counter, see figure 2-38. Press “Freq”, “Period”, “DutyCyc”, “PWidth” and “NWidth”, the instrument will display measurement values of the frequency, period, duty cycle, positive width and negative width. Press Setup to set the measurement parameters.

To set measurement parameters of the counter containing: AC or DC, sensitivity, Trig Level, High frequency on or off. Different settings make different measurement results.

Figure 2-38

Normal display interface of the counter

Figure 2-39 Operation menu

Table 2-16 Operation menu of the counter

Function

menu

Freq

Period

DutyCyc

PWidth

NWidth

Settings Explanation

Display the frequency of the signal to be measure

Display the period of the signal to be measure

Display the duty cycle of the signal to be measure

Display the positive width of the signal to be measure

Display the negative width of the signal to be measure To set the measurement

Setup

parameters of the counter (Coupling way, sensitivity, trig level)

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To set the Auto measure

The counter can automatically detect signal with amplitude from 200mVPP to 5VPP and frequency form 1Hz to 200MHz. If there is signal that meet the request, press Trig/Run, it will automatically set the parameters of trig level, the sensitivity and the high frequency to be on or off.

To set the coupling mode

Press Count Æ Setup Æ DC/AC , to set the coupling mode.

See figure 2-40, the soft key with “DC” or “AC” is the current coupling mode, each time you press the key, the coupling mode will change. For example, the current mode is “AC”, press the key, then the mode will be “DC”.

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Figure 2-40

To set the coupling mode

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To set the sensitivity

The Sensitivity has three kinds: High, Medium and Low.

Press Count Æ Setup Æ Sensitivity, to set the sensitivity. Both display on the left of the screen or in grounding dark color key are the current sensitivity. Press the corresponding soft key to switch the sensitivity. For example, the current sensitivity is “Low”, press “High” to switch to be “high”, see figure 2-41.

Suggest: For low amplitude signal, the “medium” or “high” sensitivity should be used. and for low frequency signal with high amplitude and slower rising edge, low sensitivity is a better choice.

Figure 2-41 To set the sensitivity

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To set the Trig Level

The trig level (-3V～+3V) is divided into share, each “0.1” is 6 mV, it means the adjustment interval is 6 mV. For example, the input is “62.0”, then the trig level is set to be : -3V + (62.0 / 0.1) × 6 mV ＝ 0.72V.

(1) Press Count Æ Setup Æ TrigLev , to set the trig level. The trig level display on the screen is the default value when power on or the value set at the last time. If the current value is effective, it could be use immediately.

(2) Input the required trig level. Use the digits keyboard of the knob, input the required parameter, the counter will immediately adjust the trig level, and trigger according to the specified value.

Figure 2-42 To set the trig level

Note: In the DC coupling mode, users are need to adjust the trig level manually.

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To set the High Frequency Restrain On/Off

High frequency restrain is used for filtering the high frequency signal in measuring the low frequency signal, and improve the measure accuracy. Press Count Æ Setup Æ HFR On/Off , to set the high frequency restrain to be on or off. See figure 2-43, the soft key of “HFR On” or “HFR Off” is the current state, each time you press the key, the state will change to another one.

Figure 2-43

To set the high frequency on/off

Suggest: To measure low frequency signal lower than 1kHz, you should put on the high frequency restrain to filter the high frequency noise disturb. To measure high frequency signal higher than 1kHz, you should put off the high frequency restrain.

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To Generate the Modulated Waveform

Use the Mod button to generate modulated waveform. DG1000 Series can generate AM, FM, FSK, PM modulated waveforms. The modulation parameters should be set in different types of modulation. For example, 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; while in PM, users can set the Source (Internal/ External), Phase Deviation, Modulating Frequency, Modulating Waveform and Carrier Waveform, etc.

We will explain how to set these parameters in details according to different types of modulation.

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Figure 2-44

Modulated Waveform Parameters Interface

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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 Tab l e 2 - 1 7.

Figure 2-45

Modulated Waveform Parameters Interface for AM

Press Mod Æ Type Æ AM, enter the following interface.

Figure 2-46 Operation Menu

Table 2-17 Setting the AM parameters

Function

Menu

Settings Explanation

Type AM Amplitude Modulation

Internal The Source is Internal

SrcInt

SrcExt

External

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

Depth Set the amplitude range

Set the modulating waveform

AMFreq

frequency. Frequency Range: 2mHz～

20kHz (Only Internal). Sine Square

Choose the modulating Waveform. To

change the Carrier Waveform parameter, press Sine , Square etc.

Shape

Triangle UpRamp DnRamp Noise Arb

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o

In the Graph Mode, the waveform is shown in Figure 2-47.

Depth

Wavef

rm

Source

Type

Frequency

Modulated

Carrier

Figure 2-47 Waveform Parameter in the Graph Mode

Term Explanation

Modulation Depth

The Amplitude Range (also called “percentage Modulation”). Modulation Depth varies from 0% to 120%.

1. In the 0% Modulation, the output amplitude is the half of the set one.

2. In the 100％ Modulation, the output amplitude is the same with the set one.

3. When the modulation is greater than 100%, the instrument output no greater than 10 V

PP. 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.

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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 2-49.

Figure 2-48

FM Waveform Parameter Setting Interface

Press Mod Æ Type Æ FM, enter the following interface.

Figure 2-49 Operation Menu

Table 2-18 Setting the FM parameters

Function

Menu

Settings Explanation

Type FM Frequency Modulation

SrcInt

SrcExt

Internal Choose the Internal source.

external

Use the rear [Modulation In] linker to choose the external source. Set the Frequency Deviation between

Deviat.

the Modulating Waveform and the Carrier Waveform. Set the modulating waveform

FMFreq

frequency. Frequency Range: 2mHz～ 20kHz (Internal Source Only).

Sine Square

Press the function key Sine, Square etc. to choose different Shape of waveform.

Shape

Triangle UpRamp DnRamp Noise Arb

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In the Graph Mode, the waveform is shown in Figure 2-50.

Modulating Frequency

Frequency Deviation

Figure 2-50

Waveform Parameter in the Graph Mode

Term Explanation

Frequency Deviation

1. The Deviation should be equal to or less than the Carrier Waveform Frequency.

2. The Sum of the Deviation and the Carrier Frequency should be equal to or less than maximum frequency of the selected function plus 100 kHz.

3. For an External Source, the Deviation is controlled by the ±5V voltage Level of the Connector connected to the [Modulation In]. +5V corresponds to the selected Deviation. Lower external voltage generates less deviation, while negative voltage reduces the modulated signal frequency to below the corresponding carrier’s.

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FSK

The FSK Modulation is a modulation method, the output frequency of which switches between the two pre-set frequencies (Carrier Waveform Frequency and the Hop Frequency). The Frequency for the Output Frequency to switch from the carrier waveform frequency to and from 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 [Trig In] connector on the rear panel:

z If you choose the Internal Modulation, the frequency at which the output

frequency shift between the carrier frequency and the Hop frequency is determined by the set FSK rate.

z If you choose External Modulation and overlook the FSK rate, the output

frequency is determined by the Voltage Level of the [Trig In] connector on the rear panel. If the Voltage Level is Low, then generate the carrier frequency; when the voltage level is high, generate the Hop frequency.

Figure 2-51

FSK Waveform Parameter Setting Interface

Press Mod Æ Type Æ FSK, enter the following interface.

Figure 2-52 Operation Menu

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Table 2-19 Setting the FM parameters

Function

Menu

Settings Explanation

Type FSK Frequency Shift Keying Modulation

SrcInt

SrcExt

HopFreq

Internal Choose the Internal source.

external

Use the rear [Modulation In] linker to

choose the external source.

Set the Hop Frequency Range: 1µHz～8MHz

Set the frequency at which the output frequency shifts between the carrier

FSK Rate

frequency and the jumping frequency (Internal Modulation Only): 2mHz～ 50kHz.

In the Graph Mode, the waveform is shown in Figure 2-53.

FSK Frequency

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Figure 2-53

Waveform Parameter in the Graph Mode

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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 2-55.

Figure 2-54

PM Waveform Parameter Setting Interface

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

Figure 2-55 Operation Menu

Table 2-20 Setting the PM parameters

Function

Menu

Settings Explanation

Type PM Phase Modulation

SrcInt

SrcExt

Internal Choose the Internal source.

external

Use the rear [Modulation In] linker to choose the external source. Set the Phase Deviation between the

Deviat.

Modulating Waveform and the Carrier Waveform, ranging from 0

o

to 360o

Set the modulating waveform

Freq

frequency. Frequency Range: 2mHz～

20kHz (Internal source Only). Sine Square

Press the function key Sine、Square

etc. to choose different Shape of

waveform.

Shape

Triangle UpRamp DnRamp Noise Arb

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eviatio

In the Graph Mode, the waveform is shown in Figure 2-56.

Modulating Frequency

Phase D

n

Figure 2-56

Waveform Parameter in the Graph Mode

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To Genera t e S w e e p

In the frequency sweep mode, the function generator “sweep” from the start frequency to the stop frequency at the sweep rate you specify. Sweeping can be generated by Sine, Square, Ramp or Arbitrary Waveforms (Pulse, Noise and DC are not allowed).

Figure 2-57

Sweep Waveform Parameter Setting Interface

Press Sweep button, in the Normal Mode, the operation menu will appear on the bottom of the screen, see Figure 2-58. Set the Waveform parameters by using the operation menu.

Figure 2-58

Operation Menu

User’s Guide for DG1000 Series

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Table 2-21 Waveform Sweep Setting Menu

Function

Menu

Linear

log

Start

Center

Stop

Span

Time

Trigger

Settings Explanation

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

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

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

Set the Time Span of the Sweep for which the Frequency changes from the Start Frequency to Stop Frequency. Int: Choose Internal Source

Ext: Choose External Source, use the [Modulation In]

Source

connector in the rear panel

Manual: Choose External Source, set the start and stop

time by hand

: Signal Triggered at Rise Edge

TrigOut

: Signal Triggered at Fall Edge

Off: Turn off Trigger Setting

Finish Setting

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Sweep Frequency Setting

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

a positive frequency interval.

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

set a negative frequency interval.

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To Generate Burst

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

Press Burst button, in the Normal Mode, the operation menu will appear on the screen, see Figure 2-59. Set the Waveform parameters by using the operation menu.

Figure 2-59

Burst Waveform Parameter Setting Interface

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Set the N-Cycle Burst

Press Burst Æ NCycle, enter the following interface.

Figure 2-60 Operation Menu

Table 2-22 Setting the N-Cycle parameters

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Function

Menu

N-Cycle

Gated

Cycles

Infinite

Phase Set the Start Phase of the Burst

Period Set the Period of the Burst

Delay Set the Delay for the burst

Trigger

Settings Explanation

Source

TrigOut

Use the N-Cycle Mode Use the Gated Mode

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

Int: Choose Internal Source Ext: Choose External Source, use the

[Modulation In] connector in the rear panel

Manual: Choose External Source, set the

start and stop time by hand : Signal Triggered at Rise Edge : Signal Triggered at Fall Edge

Off: Turn off Trigger Setting

Finish Setting

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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 when to be activated.

Cycle Number

Set the number of Waveform Cycle in an N-Cycle (1 to 50,000 or Infinite). If you choose Infinite, then a continuous waveform will be generate which will not stop until a trigger event happens (Trig/Run button is pressed).

z If needed, Burst Period will increase to cater to the specific number of cycles. z For an infinite-cycle Burst, External or Manual Trigger is needed to activate burst.

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 phase of the first waveform point.

Period

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

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 0.

In the Graph Mode, the waveform is shown in Figure 2-61.

Burst Period

Start Phase

Delay

N-Cycle

Cycle Times

Figure 2-61

Waveform Parameter in the Graph Mode

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User’s Guide for DG1000 Series

Set the Gated Burst

Press Burst Æ Gated, enter the following interface.

Figure 2-62 Operation Menu

Table 2-23 Setting the Gated parameters

RIGOL

Function

Menu

NCycle

Gated

Polarity

Phase

Settings Explanation

Set the Gated Mode

Pos

Neg

Set the Polarity for the Gated Signal

Set the Start Phase for the Gated Signal

In the Graph Mode, the waveform is shown in Figure 2-63.

Start Phase

Positive Gated Signal

Gated

Figure 2-63

Waveform Parameter in the Graph Mode

User’s Guide for DG1000 Series

RIGOL

To Store and Re c a l l

Press Store/Recall Button, and the operation menu will appear at the bottom of the screen. You can save or read the State or Data Documentation inside the Generator or build and delete documentation in the U Disk. File names can either be Chinese or English.

Figure 2-64 Save and Read Interface

Figure 2-65 Operation Menu

Table 2-24 Save and Read Menu

Function

Menu

Disk

Type

Recall

Store

Remove

About the Disk

Settings Explanation

Local

U Disk

(When U Disk is connected )

State

Data

All

Choose display route for the system information

Setting of the Generator

Arbitrary waveform file

All types of documentation Recall the waveform or Setting

information in the specific position in the memory.

Save the waveform to the appointed place.

Remove any waveform that has been stored in the memory

Use the Disk button to choose Local or U Disk (When U Disk is connected).

User’s Guide for DG1000 Series

RIGOL

To Save the Instrument State

Users are allowed to store the instrument state on any of the 4 Non-Volatile Memories. When the power is restored, the instrument will return to the state when it is powered off automatically. 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, following the steps: (1) Choose the file Type to store

Press Store/Recall Æ State, and choose the storage type to be “State”.

(2) Choose the location of the file.

There are four positions in the Local STATE1, STATE2, STATE3 and STATE4, choose one of them by rotating the knob.

(3) Name the file and Save it

Press Store button, enter the desired name. Press Store to finish.

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To Save Data

Users are allowed to store data document on any of the 4 Non-Volatile Memories. If the place is already occupied, the new document will cover the old one. To save the data, following the steps:

(1) Choose the file Type to store

Press Store/Recall Æ State Æ data, and choose “data” as the storage type.

(2) Choose the location of the file.

There are four positions in the Local ARB1, ARB2, ARB3 and ARB4, choose one of them by rotating the knob.

(3) Name the file and Save

Press Store button, enter the desired name. Press Store to finish.

User’s Guide for DG1000 Series

RIGOL

To Use USB storage

As shown in figure 2-66, the storage location is divided into: the inherent Local storage and the U Disk storage. At the left side of the front panel, there is a USB interface. When USB storage is connected, the storage menu will show “U Disk”. Otherwise, the default location is the internal location Local.

Figure 2-66 To use the USB Storage

(1) Install the mobile Storage

Insert the mobile memory to the USB interface on the front panel, and the screen will show “

(2) Choose the mobile memory

Press Disk, move the cursor upward or downward to select “U Disk”. Choose Type to be “data” and press Store , enter the file name and then press Store to save the file.

”.

(3) Uninstall the mobile Storage

Remove the U Disk from the Interface and the system will inform you that the U Disk has been removed, and the “

” Sign will disappear.

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User’s Guide for DG1000 Series

RIGOL

To Save a File

Press Store/Recall Æ Store, enter the following interface. Enter the desired file name in the “File Name” frame. Under the frame is the input keypad. Use the direction button to select the desired character. When the character is in inverse color, press Select to input it.

Figure 2-67 File Storage Interface

Figure 2-68 Operation Menu

Table 2-25 File Storage Menu

Function

Menu

Lang

Select Select the current character

Remove

Store Store the file with the current name

Settings Explanation

EN English Input

CN Chinese Input

Cancel the current operation

Delete the current character

User’s Guide for DG1000 Series

RIGOL

1. English Input

The English Input Interface is shown in Figure 2-69, to save a file named as “NewFile”, following the steps below:

File Name

Input

Keypad

Figure 2-69 English Input Interface

(1) Press Lang Æ EN, enter the English Interface.

(2) Input the file name “NewFile”.

Use the Knob to adjust the cursor to the right character, and press Select. Repeat this until you have selected all the characters needed. Press +/- to choose the majuscule or lowercase.

(3) Edit the File Name

When you have entered a wrong character, move the cursor to the wrong character and press Remove to delete it. And then enter the file name again.

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

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User’s Guide for DG1000 Series

RIGOL

2. Chinese Input

The Chinese Input Interface is shown in figure 2-70. To save a new file, follow the instructions below:

File Name Input

Input menu

Page Controller

Key Pad

Figure 2-70 Chinese Input Interface

(1) Press Lang Æ CN, enter the Chinese Input Interface.

(2) Press “+/-”to choose the lowercase, and input the spell of the Chinese.

(3) Input the file name: “新文件”

Use the Knob to adjust the cursor to the right character, and press Select. Input “Xin”. 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 wrong input

When a file name is wrong, move the cursor to the character and press Remove to delete it and enter the file name again.

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

User’s Guide for DG1000 Series

RIGOL

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. The output Setting provides the parameter setting for Load/Impedance, Range, Normal/ Inverse and Phase. The interface Setting offers the storage and load of the configure parameter setting for USB remote Control. The System Setting provides the setting for Language, Display, Beep, Screen Guard, Format, Power System Configure and default setting; the test provides the self-testing and calibration storage as well as the password and safety switch.

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

Figure 2-71 Operation Menu

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User’s Guide for DG1000 Series

Table 2-26 Utility System Setting

RIGOL

Function

Menu

DC On

Off

Sync On Sync Off

Settings Explanation

On Set the output waveform to be DC

Off Set the output waveform to be Arbitrary.

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 Set the Output parameter

I/O Set the I/O

System Set the System Configuration

Test/Cal Test and Calibrate the instrument

Instruction Sync Switch Setting：

When the amplitude is low relatively, you can reduce the distortion when output the signal by prohibiting the Sync Signal. And the current storage is in the Non-Volatile Memory.

User’s Guide for DG1000 Series

RIGOL

To Set the DC Output

Press Utility Æ DC On/Off Æ DC On, enter the following interface.

Figure 2-72 The DC Setting Interface

DC Offset

Set the DC Voltage Level.

To Shift into the Arbitrary Waveform Output

(1) Press Utility Æ DC On/Off Æ DC Off, close the DC output and return the output

of the Arbitrary Waveform.

(2) Press any functional button, and the waveform output setting turns to the output

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

In the Graph Mode, the waveform is shown in Figure 2-73.

Offset

Figure 2-73

Waveform Parameter in the Graph Mode

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User’s Guide for DG1000 Series

RIGOL

To Set the Sync Output

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

• In the default setting, the Sync Signal output is disabled, the output Voltage of

the [Sync/Counter] Connector Level is Low.

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

Inverse.

• If frequency of the standard output function (except DC and Noise) is higher

than 2MHz, the Sync output will automatically put off.

• For Sine, Square 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 Square Waves, the Sync Signal is a Square Wave with the same Duty Cycle

with the main output Square Wave. 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 the internal Modulating of 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.

User’s Guide for DG1000 Series

RIGOL

• 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 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, then intersections may occur). For an infinite burst, the Sync Signal is the same as the Sync Signal of the continuous Signal.

• 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 last period end (If the Waveform has a relative starting phase, it may be not intersections).

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User’s Guide for DG1000 Series

To Set Output Parameter

Press Utility Æ Output, enter the following interface.

Figure 2-74 Operation Menu

Table 2-27 Operation Setting Menu

RIGOL

Function

Menu

Load

High Z

Range

Normal

Inverse

Phase

Instruction

Hold Range

Select Hold, prohibit the auto optimizing. This will eliminate the” burr” caused by the switch of the Attenuator. But, the precision and the resolution (the fidelity of the original waveform) may be affected.

Settings Explanation

Set the Load connected to the Output

Auto

Hold Disable the Auto Adjusting

Connector. Set the Load connected to the Output Connector to be High Z. Allow the Instrument to choose the best Amplifier/ Attenuator

Normal Output Inverse Output

Set the Phase Offset of the Output Waveform

User’s Guide for DG1000 Series

RIGOL

1. To Set the Output Load

For the [Output] Connector on the Front panel, the Generator has a built-in 50Ω series output impedance. If the actual load does not match the set one, the amplitude and offset displayed are incorrect. This function is used to match the displayed voltage with the expected one.

Steps for setting the Load value:

(1) Press Utility Æ Output Æ Load, 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 the current value can 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 2-75 Set the Output Load

Instruction

DG1000 Series have a fixed 50Ω Series impedance no matter what value has been set for this parameter.

If the real load is different from the set one, the displayed voltage will not equal to the real voltage.

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2. To Set the Inverse Waveform

Press Utility Æ Output Æ Inverse, to set the inverse Waveform output.

No offset voltage will change while the waveform is inversed. An inverse waveform will be displayed in the Graph Mode.

Normal

Figure 2-76 Normal Waveform

Inverse

Figure 2-77 Inverse Waveform

3. To Adjust the Phase

Press Utility Æ Output Æ Phase, enter the following interface.

Set the Phase use the unit of degree.

Figure 2-78 Setting the Phase

User’s Guide for DG1000 Series

RIGOL

To Set the I/O

Press Utility Æ I/O, to set the I/O. See Figure 2-79.

Figure 2-79 Operation Menu

Table 2-28 I/O Setting Menu

Function

Menu

USB

Settings Explanation

USB ID=usb0::2391::1031::MY44005 582::INSTK

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User’s Guide for DG1000 Series

To Set the System

Press Utility Æ System, enter the following interface.

Figure 2-80

Operation Menu

Table 2-29 System Setting Menu

RIGOL

Function

Menu

Lang Set the Display Language

Display Set the parameter for the Screen Display

Beep

On/Off

Svr on/off

Format Set the data format

Setting

Settings Explanation

On Open Beep

Off Close Beep

Activate the Screen Guard Program. Screen

On

Off deactivate the Screen Guard Program

PowOn

Default Return all the setting into the default one

Timer Choose the clock source as: internal/external

Guard will be on if no action is taken within 3 minutes. Press any button the resume.

Default: When the power is on, all the setting

will return to the default value.

Latest: When the power is on, all the setting

will return to the latest setting.

User’s Guide for DG1000 Series

RIGOL

Key points:

Power On

The Setting is used when the machine is power on. Two choices are available: the default setting and the latest. Once selected, the setting will be used when the instrument is restarted.

Beep

Activate or deactivate the sound when an error occurs from the front panel or the remote interface. Activate or deactivate any sound made by the button or knob on the front panel.

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User’s Guide for DG1000 Series

1. Language Setting

The DG1000 Series Generator offers two languages: Chinese and English. To Select Language, press Utility and then Lang to select the language.

Press Utility Æ System Æ Lang, change the language.

Figure 2-81 Language Setting Menu

2. Display Control

Press Utility Æ System Æ Display, enter the following menu.

RIGOL

Figure 2-82 Operation Menu

Table 2-30 Display Parameter Setting

Function

Menu

Settings Explanation

Contra Set the Display Contrast Parameter

Light Set the Display Light Parameter

Invert Set the Invert Display

User’s Guide for DG1000 Series

RIGOL

3. Set the Format

Press Utility Æ System Æ Format, enter the following interface.

Figure 2-83 Setting the data Format

Table 2-31 Setting the Data Format

Function

Menu

Settings Explanation

Using dot

Decimal

Using comma

Close the Separate.

Enable the Separate

Separat.

No

Space Use Space to separate

On

According to the different choice of the decimal and the separate, the format can have various forms:

(1) “ ” as decimal, press Separat. Æ On, the example is as follows:

Figure 2-84 Setting the data format

(2) “ ” as decimal, press Separat. Æ On, the example is as follows:

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Figure 2-85 Setting the data format

User’s Guide for DG1000 Series

(3) “ ” as decimal, press Separat. Æ No, the example is as follows:

Figure 2-86 Setting the data format

(4) “ ” as decimal, press Separat. Æ No, the example is as follows:

Figure 2-87 Setting the data foramt

(5) “ ” as decimal, press Separat. Æ Space, the example is as follows:

RIGOL

Figure 2-88 Setting the data format

(6) “ ” as decimal, press Separat. Æ Space, the example is as follows:

Figure 2-89 Setting the data format

User’s Guide for DG1000 Series

RIGOL

4. To Return to Default Setting

Press Utility Æ System Æ Setting Æ Default, return the default setting of the system:

Table 2-32 Default Parameter Setting

Output Default

Function Sine Wave

Frequency 1kHz

Amplitude/Offset 5 VPP /0.000 VDC

Unit VPP

Term i na l s Hi g h Z

Auto Adjustment On

Modulation Default

Carrier 1kHz Sine Wave

Modulating 100Hz Sine Wave

AM Depth

100％

FM Deviation 100Hz

FSK Hop Frequency 10Hz

FSK Frequency 100Hz

2-70

Modulation State Off

Sweep Default

Start/Stop Frequency 100Hz/1kHz

Time 1s

Mode Linear

State Off

Burst Default

Frequency 1kHz

Count 1Cycle

User’s Guide for DG1000 Series

RIGOL

Period 10ms

Phase 0

°

State Off

Count Default

Coupling AC

Sensitivity High

Trig Lev

71.0 (1.26V)

HFR Off Off

System Default

*Power-down Recall *Disabled

Display On

Error Array Clear Error

Storage State and any

No change

Waveform

Output State Off

Trigger Default

Source Internal

Calibration Default

State Coded

The parameter with an asterisk (*) is stored in the Non-Volatile Memory.

User’s Guide for DG1000 Series

RIGOL

Test

Press Utility Æ Test/Cal, enter the following menu.

Figure 2-90 Test Menu

Figure 2-91 Operation Menu

Table 2-33 Test Setting Menu

Function

Menu

Settings Explanation

Test Perform System Self-Test

Info

Show the information for Calibration times and other related ones

PassWd Input the password for Secure calibration

Cal Perform the Calibration

SecOn

SecOff

On Turn On Secure Setting, disables the calibration by anyone

Off Turn Off Secure Setting, enables the calibration by anyone

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1. Test

Press Utility Æ Test / C al Æ Test, to perform self-testing. When the instrument is powered, the system will perform the self-testing automatically. This limited test can test if the instrument could work ordinarily. To perform a general test needs 15 seconds. If all the tests have been passed, you can use the generator freely. If the general test has been passed, the screen will show “Self-Test Passed”; if not, it will also tell you self-test failed and display the error message.

2. Calibration

The information consist the calibration counting and the edition. Please note that the generator has been calibrated before it leaved the factory, When you turn on a new instrument, the default number of the calibration is 0. You can get the information of the latest version on the company’s website:

http://www.rigol.com.

3. Password

This function is used to prevent unauthorized or accidental calibration to the generator. When the generator is firstly shipped to the user, it is secured. You have to unlock it before calibrating the instrument.

Press Utility Æ Test / C al Æ PassWd, and enter the right password. The system will display “The System is now unsecured”. SecOff will appear, see Figure 2-92, The default password is “12345”. It is stored in the Non-Volatile Memory, and will not change when the instrument is powered off or the Remote I/O is reset.

Figure 2-92 Operation Menu

User’s Guide for DG1000 Series

RIGOL

How to Use the Built-in Help System

You can get a particular help for every button on the front panel by using the built-in help system. Or you can get help about the operation of the front panel buttons with the Help List.

Press Help enter the following interface.

Figure 2-93 Help Menu

Figure 2-94 Operation Menu

Table 2-34 Help Menu

Function

Menu

Settings Explanation

Select Select and read the Information

Page Up

Page Down

Cursor Downward to select

Cursor Upward to select

Exit the help menu

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User’s Guide for DG1000 Series

Rigol Technologies DG1021, DG1011 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual