Rigol DSG821 User Manual
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Rigol DSG821 User Manual

Rf signal generator
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User Guide
DSG800 Series RF Signal Generator
1.888.610.7664
Aug. 2019
RIGOL (SUZHOU) TECHNOLOGIES INC.
www.calcert.com
15
10
20
5
25
0
30
sales@calcert.com

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  • Page 1 User Guide DSG800 Series RF Signal Generator Aug. 2019 RIGOL (SUZHOU) TECHNOLOGIES INC. 1.888.610.7664 www.calcert.com sales@calcert.com...
  • Page 2 Notices RIGOL products are covered by P.R.C. and foreign patents, issued and pending.  RIGOL reserves the right to modify or change parts of or all the specifications  and pricing policies at the company’s sole decision. Information in this publication replaces all previously released materials.

  • Page 3: Safety Requirement

    RIGOL Safety Requirement General Safety Summary Please review the following safety precautions carefully before putting the instrument into operation so as to avoid any personal injury or damage to the instrument and any product connected to it. To prevent potential hazards, please follow the instructions specified in this manual to use the instrument properly.
  • Page 4 Do Not Operate With Suspected Failures. If you suspect that any damage may occur to the instrument, have it inspected by RIGOL authorized personnel before further operations. Any maintenance, adjustment or replacement especially to circuits or accessories must be performed by RIGOL authorized personnel.

  • Page 5: Safety Notices And Symbols

    RIGOL Safety Notices and Symbols Safety Notices in this Manual: WARNING Indicates a potentially hazardous situation or practice which, if not avoided, will result in serious injury or death. CAUTION Indicates a potentially hazardous situation or practice which, if not avoided, could result in damage to the product or loss of important data.

  • Page 6: Care And Cleaning

    RIGOL Care and Cleaning Care Do not store or leave the instrument where it may be exposed to direct sunlight for long periods of time. Cleaning Clean the instrument regularly according to its operating conditions. Disconnect the instrument from all power sources.

  • Page 7: Dsg800 Series Overview

    RIGOL DSG800 Series Overview DSG800 series RF signal generator provides all-round modulation plans. It provides standard AM/FM/ØM functions as well as optional pulse modulation function, and pulse train generator. Besides, DSG821A and DSG836A are equipped with a standard configuration of I/Q modulation function. All the modulation functions support both external and internal sources.

  • Page 8: Document Overview

    RIGOL Document Overview Main Topics in this Manual Chapter 1 Quick Start This chapter introduces the front panel, rear panel and user interface of the RF signal generator as well as the precautions when using the instrument for the first time.
  • Page 9 DSG800 series RF signal generator includes the following models. This manual takes DSG836A as an example. Model Frequency Range I/Q Modulation DSG815 9 kHz to 1.5 GHz DSG821 9 kHz to 2.1 GHz DSG821A 9 kHz to 2.1 GHz Standard DSG830 9 kHz to 3 GHz DSG836 9 kHz to 3.6 GHz...

  • Page 10: Table Of Contents

    RIGOL Contents Contents Guaranty and Declaration ................. I Safety Requirement ................II General Safety Summary ................II Safety Notices and Symbols ..............IV Care and Cleaning ..................V Environmental Considerations ..............V DSG800 Series Overview................ VI Document Overview ................VII Chapter 1 Quick Start .................
  • Page 11 RIGOL Contents Store and Recall ................... 2-35 File Type ..................2-36 Save ..................... 2-37 Recall ................... 2-40 Rename ..................2-40 Delete ..................2-40 Copy .................... 2-40 To Create a Directory ..............2-41 Filename Prefix ................2-41 Format ..................2-41 System Update ................2-41 To Set the System Parameters ...............

  • Page 12: Chapter 1 Quick Start

    RIGOL Chapter 1 Quick Start Chapter 1 Quick Start This chapter guides users to quickly get familiar with the appearance, dimensions, front panel, rear panel and user interface of DSG800 series RF signal generator. The topics of this chapter: General Inspection ...

  • Page 13: General Inspection

    The consigner or carrier shall be liable for the damage to the instrument resulting from shipment. RIGOL would not be responsible for free maintenance/rework or replacement of the instrument. 2. Inspect the instrument...

  • Page 14: Appearance And Dimensions

    RIGOL Chapter 1 Quick Start Appearance and Dimensions Figure 1-1 Front View (unit: mm) 261.5 Figure 1-2 Top View (unit: mm) DSG800 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...
  • Page 15 RIGOL Chapter 1 Quick Start Figure 1-3 Side View (unit: mm) DSG800 User Guide 1.888.610.7664 www.calcert.com sales@calcert.com...

  • Page 16: Front Panel Overview

    RIGOL Chapter 1 Quick Start Front Panel Overview The front panel of DSG800 series RF signal generator is as shown in the figure below. You can click the number in the figure to view the corresponding introduction. 11 12 13 14 Figure 1-4 Front Panel 1.
  • Page 17 RIGOL Chapter 1 Quick Start 3. Menu Control Keys Display switching key. In the menu page of any function, you can press this key to open the parameter information display interface of the current function. At this point, you can use the knob or arrow keys to switch the parameter tabs to view the parameter information of different functions.
  • Page 18 RIGOL Chapter 1 Quick Start 5. Numeric Keyboard The numeric keyboard supports Chinese characters, English uppercase /lowercase characters, numbers and commonly used symbols (include the decimal point, #, space and positive/negative sign +/-). It is mainly used to edit the file or folder name and set the parameters.
  • Page 19 RIGOL Chapter 1 Quick Start 7. Arrow Keys/Step Key When setting a parameter, Step is used to set the step of the parameter currently selected; the arrow keys are used to enter the parameter editing state and move the cursor to the specified digit.
  • Page 20 RIGOL Chapter 1 Quick Start 11. Output Control Keys Used to turn on or off the RF output. — Press this key; the backlight of the key and the RF label in the function status area in the user interface are illuminated.
  • Page 21 RIGOL Chapter 1 Quick Start 14. LF Output Connector When the LF output is turned on, this connector is used to output the LF signal. 15. RF Output Connector When the backlight of RF/on is illuminated, this connector is used to output the RF signal and RF sweep signal.

  • Page 22: Rear Panel Overview

    RIGOL Chapter 1 Quick Start Rear Panel Overview The rear panel of DSG800 series RF signal generator is as shown in the figure below. You can click the number in the figure to view the corresponding introduction. Figure 1-5 Rear Panel 1.
  • Page 23 RIGOL Chapter 1 Quick Start 2. External Modulation Input Connector When the modulation source of AM or FM/ØM is set to "Ext", this connector is used to input the external modulating signal. 3. Signal Valid Output Connector When the RF output frequency or amplitude is...
  • Page 24 RIGOL Chapter 1 Quick Start 4. External Trigger Input Connector When the trigger mode of SWEEP is “Ext”, this connector is used to input the external trigger signal. You can press Trig Slope to set the polarity of the trigger signal to "Pos" or "Neg".
  • Page 25 RIGOL Chapter 1 Quick Start It is used to output the Q (Quadrature Phase) components of I/Q modulation of the built-in baseband generator 7. Reference Signal Output Connector It is used to output the internal 10 MHz reference clock signal which is used to synchronize the generator with other instruments.
  • Page 26 RIGOL Chapter 1 Quick Start 11. USB HOST This interface is used to connect the USB storage device to update the system or store the system states and etc. 12. OCXO (Option OCXO-B08) OCXO is an oven controlled crystal oscillator. It is a frequency reference source with higher temperature stability.

  • Page 27: To Use Dsg800 For The First Time

    RIGOL Chapter 1 Quick Start To Use DSG800 for the First Time To Connect the Power Supply Please connect the RF signal generator to AC power supply using the power cable supplied in the accessories. This RF signal generator can accept 100 V to 240 V, 45 HZ to 440 Hz AC power supplies.

  • Page 28: User Interface

    RIGOL Chapter 1 Quick Start User Interface The user interface of DSG800 series RF signal generator is shown in the figure below. Figure 1-6 User Interface 1. Frequency Area Display the current frequency settings of the RF signal generator. —...
  • Page 29 RIGOL Chapter 1 Quick Start "Level" or "Freq & Lev" and the sweep direction is "Fwd". — : downward sweep label. It is displayed when the sweep manner is "Level" or "Freq & Lev" and the sweep direction is "Down".
  • Page 30 RIGOL Chapter 1 Quick Start The RF modulation output The RF modulation is not turned on and only output is turned on and AM is turned on. AM is turned on. The RF modulation output The RF modulation is not turned on and only output is turned on and FM is turned on.
  • Page 31 RIGOL Chapter 1 Quick Start and Pulse are turned on. ØM and Pulse are turned The RF modulation The RF modulation output output is turned on; FM, is not turned on; FM, IQ IQ and Pulse are turned and Pulse are turned on.

  • Page 32: To Use The Built-In Help System

    RIGOL Chapter 1 Quick Start To Use the Built-in Help System The DSG800 built-in help system provides the help information of all the function keys and menu softkeys at the front panel. Users can view the help information of any key when operating the instrument.

  • Page 33: Chapter 2 Front Panel Operations

    RIGOL Chapter 2 Front Panel Operations Chapter 2 Front Panel Operations This chapter introduces each function key at the front panel as well as the menu functions under it in details. The topics of this chapter: To Set the Frequency/LF Parameters ...

  • Page 34: To Set The Frequency/Lf Parameters

    RIGOL Chapter 2 Front Panel Operations To Set the Frequency/LF Parameters Frequency Set the RF output frequency. Press FREQ, use the numeric keyboard to input the frequency value and select the desired unit from the pop-up unit menu. The frequency units available are GHz, MHz, kHz and Hz.
  • Page 35 RIGOL Chapter 2 Front Panel Operations To Select the LF Waveform Press FREQ  LF  Waveform to set the waveform of the LF output signal to "Sine" or "Square". The default is "Sine". To Set the LF Amplitude Press FREQ  LF  Level to set the amplitude of the LF signal.

  • Page 36: To Set The Amplitude Parameters

    RIGOL Chapter 2 Front Panel Operations To Set the Amplitude Parameters Amplitude Set the RF output amplitude. Press LEVEL, use the numeric keyboard to input the amplitude value and select the desired unit from the pop-up unit menu. The amplitude units available are dBm, -dBm, mV, uV and nV.

  • Page 37: Amplitude Unit

    RIGOL Chapter 2 Front Panel Operations Freq Level 207.854 000 00 MHz -70.50 dB 304.000 000 00 MHz 7.45 dB 800.000 000 00 MHz -17.80 dB Note : Amplitude calibration value. When calibrating the amplitude of the current frequency point, only the actual output amplitude will be affected and the amplitude display value will not change.

  • Page 38: Sweep

    RIGOL Chapter 2 Front Panel Operations Sweep When the sweep function is turned on, the RF signal generator outputs RF sweep signal from the [RF OUTPUT 50Ω] connector (as shown in the figure below) at the front panel (at this point, the RF output should be turned on).

  • Page 39: Sweep Type

    RIGOL Chapter 2 Front Panel Operations Sweep Type DSG800 provides two sweep types ("List" and "Step") and the default is "Step". List Sweep 1. Select the list sweep mode Press SWEEP  Type to select "List". At this point, the RF signal generator sweeps according to the sweep list currently loaded.
  • Page 40 RIGOL Chapter 2 Front Panel Operations Step Sweep 1. Select the step sweep mode Press SWEEP  Type to select "Step". At this point, the RF signal generator performs step sweep according to the current settings. 2. Set the sweep parameters...
  • Page 41 RIGOL Chapter 2 Front Panel Operations Explanation The start level and stop level are the amplitude upper and lower limits of amplitude sweep respectively. When the sweep direction is forward, the RF signal generator  sweeps from the start level to the stop level.

  • Page 42: Sweep Mode

    RIGOL Chapter 2 Front Panel Operations Ramp Stop Frequency /Stop Level Start Frequency /Start Level Triangle Stop Frequency /Stop Level Start Frequency /Start Level Ramp: the sweep period always starts from the start frequency or start level to the stop frequency or stop level and the sweep sequence is similar to a ramp waveform.

  • Page 43: To Reset The Sweep

    RIGOL Chapter 2 Front Panel Operations met. If the current sweep mode is "Single", press Single and the instrument will perform a single sweep if the trigger condition is met. To Reset the Sweep If the current sweep direction is "Fwd", press Reset Swp, the instrument stops the current sweep and restarts the sweep from the start frequency or start level.
  • Page 44 RIGOL Chapter 2 Front Panel Operations stops each time the "*TRG" command is sent. External Trigger  In external trigger, the RF signal generator receives the trigger signal input from the [TRIGGER IN] connector (as shown in the figure on the next page) at the rear panel.
  • Page 45 RIGOL Chapter 2 Front Panel Operations Bus Trigger  When "Bus" trigger is selected, if the sweep mode is set to "Cont", the instrument starts to sweep a point each time the "*TRG" command is sent; if the sweep mode is set to "Single", you need to press Single to meet the single sweep condition and after that, the instrument starts to sweep a point and then stops after the sweep period expires each time the "*TRG"...

  • Page 46: Modulation

    RIGOL Chapter 2 Front Panel Operations Modulation Amplitude Modulation (AM) During amplitude modulation (AM), the modulating signal changes the amplitude of the RF carrier waveform linearly. Press MOD  AM to enter the amplitude modulation parameter setting menu. To Turn on Amplitude Modulation Press Switch to select "On"...
  • Page 47 RIGOL Chapter 2 Front Panel Operations To Set the Modulation Depth The modulation depth denotes the extent of output amplitude variation and is expressed as a percentage. The range of AM modulation depth is from 0% to 100%. Press Depth to set the AM modulation depth.
  • Page 48 RIGOL Chapter 2 Front Panel Operations External Coupling Press EXT Coup to select "AC" or "DC" coupling and the default is "AC". When "AC" is selected: the DC components of the external signal input from the  [EXT MOD IN] connector at the rear panel of the instrument will be blocked and the AC components can pass through the connector.The external...

  • Page 49: Frequency Modulation (Fm)

    RIGOL Chapter 2 Front Panel Operations Frequency Modulation (FM) During frequency modulation (FM), the modulating signal changes the frequency of the RF carrier waveform. Press MOD  FM/ØM to enter the frequency/phase modulation parameter setting menu. To Turn on Frequency Modulation Press FM/ØM to select "FM"...
  • Page 50 RIGOL Chapter 2 Front Panel Operations To Set the Frequency Deviation The frequency deviation is the deviation of the frequency of the modulating waveform relative to that of the carrier waveform and the unit is Hz. Press Deviation to set the FM frequency deviation.
  • Page 51 RIGOL Chapter 2 Front Panel Operations External Coupling Press EXT Coup to select "AC" or "DC" coupling and the default is "AC". When "AC" is selected: the DC components of the external signal input from the  [EXT MOD IN] connector at the rear panel of the instrument will be blocked and the AC components can pass through the connector.

  • Page 52: Phase Modulation (Øm)

    RIGOL Chapter 2 Front Panel Operations Phase Modulation (ØM) During phase modulation (ØM), the modulating signal changes the phase of the RF carrier waveform. Press MOD  FM/ØM to enter the frequency/phase modulation parameter setting menu. To Turn on Phase Modulation Press FM/ØM to select "ØM"...
  • Page 53 RIGOL Chapter 2 Front Panel Operations To Set the Phase Deviation The phase deviation is the deviation of the phase of the modulating waveform relative to that of the carrier waveform and the unit is rad. Press Deviation to set the ØM phase deviation.
  • Page 54 RIGOL Chapter 2 Front Panel Operations External Coupling Press EXT Coup to select "AC" or "DC" coupling and the default is "AC". When "AC" is selected: the DC components of the external signal input from the  [EXT MOD IN] connector at the rear panel of the instrument will be blocked and the AC components can pass through the connector.

  • Page 55: Pulse Modulation (Option Dsg800-Pum)

    RIGOL Chapter 2 Front Panel Operations Pulse Modulation (Option DSG800-PUM) During pulse modulation, the RF carrier waveform is modulated by the pulse signal. Press MOD  Pulse Mod to enter the pulse modulation parameter setting menu. To Turn on Pulse Modulation Press Switch to select "On"...
  • Page 56 RIGOL Chapter 2 Front Panel Operations To Select the Pulse Mode Press Source to select "Int" modulation source; press Mode to select "Single" or "Train (option DSG800-PUG)". Single: only a single pulse signal is generated for a pulse period. This is the ...
  • Page 57 RIGOL Chapter 2 Front Panel Operations To Set the Pulse Width The pulse width is the time that the pulse holds at the maximum value. Press Source to select "Int" modulation source; press Mode to select "Single". The single pulse is as shown in the figure below.
  • Page 58 RIGOL Chapter 2 Front Panel Operations External Gate  In external gate mode, the RF signal generator receives the external gated signal input from the [TRIGGER IN] connector at the rear panel. The instrument starts a pulse modulation within the valid level range each time a gated signal with the specified polarity is received (as shown in the figure below).
  • Page 59 RIGOL Chapter 2 Front Panel Operations Off: turn off the pulse output function and this is the default state.  Note: When "Ext" modulation source is selected, this menu is grayed out and disabled. Trigger Delay Press Source to select "Int" modulation source and select "Ext Trig" mode; press...
  • Page 60 RIGOL Chapter 2 Front Panel Operations The format of the train list file loaded is as shown in the table below. Note that when you edit the value in the train list, if no unit is added, then the default time unit is us.

  • Page 61: I/Q Modulation (Only Available For Dsg821A/Dsg836A)

    RIGOL Chapter 2 Front Panel Operations I/Q Modulation (Only Available for DSG821A/DSG836A) I/Q modulation can improve the spectrum utilization. In I/Q modulation, two orthogonal signals (carriers with the same frequency and 90°phase deviation, generally expressed as Sin and Cos) are modulated with the I (In-Phase components) and Q (Quadrature Phase components) signals respectively and then they are transmitted together.
  • Page 62 RIGOL Chapter 2 Front Panel Operations 2. External Source When "Ext" is selected, the RF signal generator receives the in-phase baseband signal and quadrature phase modulating signal of I/Q modulation input from the [I IN] and [Q IN] connectors (as shown in the figures below) at the rear panel respectively.
  • Page 63 RIGOL Chapter 2 Front Panel Operations Press BaseBand  ARB to enter the store and recall interface. At this point, "You can load the ARB files" is displayed in the user interface. Press the right arrow key to unfold the current directory and select the ARB file (namely wavetable file;...
  • Page 64 RIGOL Chapter 2 Front Panel Operations baseband signal each time the "*TRG" command is sent. External Trigger  When "Ext" trigger mode is selected, the RF signal generator receives the external trigger signal input from the [TRIGGER IN] connector (as shown in the figure below) at the rear panel. The instrument will output the baseband signal each time a TTL pulse signal with the specified polarity is received.
  • Page 65 RIGOL Chapter 2 Front Panel Operations 3) Arm ARB Press Arm ARB to stop the waveform output manually and wait for the next trigger. Note: This menu is valid only when the operation mode after the I/Q baseband signal is triggered is set to "Arm Auto" or "Arm Retrig".
  • Page 66 RIGOL Chapter 2 Front Panel Operations relation: 8) Segment Trigger Mode Set the trigger mode of the I/Q data segment. Press Seg Mode to select "Same Seg", "Next Seg", "Seamless" or "Sequencer". Same Segment  When the "Same Seg" trigger mode is selected, the instrument outputs the same trigger segment.

  • Page 67: Store And Recall

    RIGOL Chapter 2 Front Panel Operations Store and Recall DSG800 allows users to store various types of files to the internal or external memory and recall them when required. DSG800 provides a local memory (D disk) and an external memory (E disk).

  • Page 68: File Type

    RIGOL Chapter 2 Front Panel Operations File Type In the store and recall interface, rotate the knob to select the desired storage directory (available when a USB storage device is detected; it is used to switch between D disk and E disk); then, press the right arrow key to unfold the current directory.

  • Page 69: Save

    RIGOL Chapter 2 Front Panel Operations Save 1. Select the file type Please select the desired file type according to the introduction in "File Type". Note: If File Type is currently set to "All", the save operation is not available.
  • Page 70 RIGOL Chapter 2 Front Panel Operations Chinese Characters Input Pinyin Selecting Area Chinese Input Mode (c1) Chinese Input Mode 1 Chinese Characters Input Chinese Character Selecting Area Operation Prompt (c2) Chinese Input Mode 2 Figure 2-2 Filename Editing Interface 3. Input the filename Input the new filename in the filename editing interface.
  • Page 71 RIGOL Chapter 2 Front Panel Operations Input an English filename  Press to switch to English input mode. You can press switch between uppercase and lowercase inputs. At this point, the corresponding label is displayed at the lower-right corner of the filename editing interface.

  • Page 72: Recall

    RIGOL Chapter 2 Front Panel Operations folder. Reenter: when the current directory already contains a file or folder with  the same name, you can press this key to return to the filename editing interface and enter a new filename.

  • Page 73: To Create A Directory

    RIGOL Chapter 2 Front Panel Operations To Create a Directory Create a new folder. The length of the folder name cannot exceed 28 English characters or numbers (or 14 Chinese characters). In the store and recall interface, rotate the knob to select the current storage directory (available when a USB storage device is detected;...

  • Page 74: To Set The System Parameters

    RIGOL Chapter 2 Front Panel Operations To Set the System Parameters Set the system-related parameters. Language DSG800 supports menus in multiple languages as well as Chinese and English help information, prompt messages and interface display. Press Syst  Language to select the desired language.
  • Page 75 RIGOL Chapter 2 Front Panel Operations Table 2-1 Factory Values Parameter Factory Value FREQ DSG836(A): 3.6 GHz DSG830: 3 GHz Frequency DSG821(A): 2.1 GHz DSG815: 1.5 GHz Switch Output Waveform Sine Output Level 500 mV Output Frequency 1 kHz Square Output Level...
  • Page 76 RIGOL Chapter 2 Front Panel Operations Sweep Direction Switch Modulation Source Modulation Depth Modulation Frequency 10 kHz Modulation Waveform Sine External Coupling Input Impedance 100 kohm FM/ØM Modulation Type ØM Switch Modulation Source Frequency Deviation 10 kHz Modulation Rate 10 kHz...
  • Page 77 RIGOL Chapter 2 Front Panel Operations Switch Modulation Source Baseband Switch Baseband Level Sample Rate 1 MHz Trigger Mode Auto Operation Mode Retrig Duration Unit Duration Trigger Delay Trigger Inhibit Segment Trigger Mode Same Seg Next Segment Output Control RF/on Switch...

  • Page 78: I/O Configuration

    RIGOL Chapter 2 Front Panel Operations I/O Configuration The RF signal generator supports USB and LAN communication interfaces. Press Syst  I/O Config to set the "Remote I/O" and "LAN" parameters. 1. Remote I/O Press Remote I/O to select "LAN", "USB", "Auto" or "Off" (turn off all the interfaces).
  • Page 79 RIGOL Chapter 2 Front Panel Operations signal generator will acquire an IP address from 169.254.0.1 to 169.254.255.254 and subnet mask 255.255.0.0 automatically according to the current network configuration. Manual-IP  One of the IP address setting methods. When manual IP is turned on, users can define the IP address of the RF signal generator.

  • Page 80: Display Setting

    RIGOL Chapter 2 Front Panel Operations Display Setting Control the screen display. Press Syst  Display to set the "Scr State", "Brightness" and "Time/Date". 1. Screen State Press Scr State to set the on/off state of the screen. On: the default state. Turn on the screen.

  • Page 81: Information

    Press Install and input the option license to activate the corresponding option. Acquire the license: Order the corresponding option to acquire the option key. Log in to the RIGOL official website , click License Activation to enter the "Registered product license code" interface.

  • Page 82: Self-Test

    RIGOL Chapter 2 Front Panel Operations Input the option key, instrument serial number (press Syst  Information  System Info to acquire the instrument serial number) and indentifying code; click "Generate" to acquire the corresponding option license. Tips: You can also install an option by operating the RF signal generator remotely.

  • Page 83: Chapter 3 Remote Control

    RIGOL Chapter 3 Remote Control Chapter 3 Remote Control Users can control DSG800 series RF signal generator via the USB or LAN remote interface. This chapter describes the basic information and methods of remote control. The topics of this chapter: Remote Control Overview ...

  • Page 84: Remote Control Overview

    2. Use PC software Users can use the common PC software (Ultra Sigma) provided by RIGOL to send SCPI commands to control the RF signal generator remotely. This chapter will give a detailed introduction of how to use Ultra Sigma to control the RF signal generator remotely through the USB and LAN interfaces.

  • Page 85: Remote Control Via Usb

    PC automatically. You can also click search for the resource. 4. View the device resource The resource found will be displayed under the "RIGOL Online Resource" directory and the model number and USB interface information of the instrument will also be displayed.

  • Page 86: Remote Control Via Lan

    LAN interface of the RF signal generator. In addition, if you want to remove the unwanted resource, click the corresponding resource name and click 4. View the device resource The resource found will appear under the "RIGOL Online Resource" directory. For example, DSG830 (TCPIP::172.16.3.194::INSTR). 5. Communication test Right click the resource name "DSG830 (TCPIP::172.16.3.194::INSTR)"...
  • Page 87 Note: If you want to view or modify the current network settings of the instrument, click "Network Settings" and input the initial password "RIGOL" (must be uppercase letters, exclude the double quotation marks) in the pop-up window (by default, the user name is empty). Besides, you can click "Security"...

  • Page 88: Chapter 4 Application Examples

    RIGOL Chapter 4 Application Examples Chapter 4 Application Examples This chapter introduces the basic operations of the instrument using specific examples so that users can quickly master the using methods of the RF signal generator. The topics of this chapter: To Output a RF Signal ...

  • Page 89: To Output A Rf Signal

    RIGOL Chapter 4 Application Examples To Output a RF Signal Output a RF signal with 1 GHz frequency and -20 dBm amplitude from the [RF OUTPUT 50Ω] connector. 1. Restore to the factory setting Press Syst  Reset  Preset Type  "Factory" and then press Preset to restore the instrument to the factory setting.

  • Page 90: To Output A Rf Sweep Signal

    RIGOL Chapter 4 Application Examples To Output a RF Sweep Signal This section introduces how to output a RF sweep signal by configuring continuous linear step sweep. Set the frequency range to (1 GHz to 2 GHz), the amplitude range to (-20 dBm to 0 dBm), the number of sweep points to 10 and the dwell time to 500 1.
  • Page 91 RIGOL Chapter 4 Application Examples 3. Turn on the RF sweep Press SWEEP  Sweep and select "Freq & Lev" to turn on the frequency and amplitude sweep functions at the same time. At this point, the RF signal generator sweeps from the start frequency and level to the stop frequency and level continuously at certain step according to the current settings.

  • Page 92: To Output A Rf Modulated Signal

    RIGOL Chapter 4 Application Examples To Output a RF Modulated Signal This section introduces how to output an AM modulated signal by taking amplitude modulation (AM) as an example. Set the carrier frequency to 800 MHz, the carrier amplitude to -20 dBm, the AM modulation depth to 60% and the modulation frequency to 20 kHz.

  • Page 93: Chapter 5 Troubleshooting

    RIGOL Chapter 5 Troubleshooting Chapter 5 Troubleshooting The chapter lists the commonly encountered failures of DSG800 and their solutions. When you encounter those problems, please solve them following the corresponding steps. If the problem remains still, and provide your device information (Syst ...
  • Page 94 RIGOL Chapter 5 Troubleshooting 4. The setting is correct but the waveform output is incorrect. (1) There is no RF output — Check whether the signal connecting cable is tightly connected to the corresponding [RF OUTPUT 50Ω] connector. — Check whether the connecting cable has internal damage.
  • Page 95 RIGOL Chapter 5 Troubleshooting — Make sure that at least two points are set in the step sweep or list sweep. (2) The dwell time of list sweep is incorrect — Press SWEEP  List Swp to enter the sweep list menu.
  • Page 96 RIGOL Chapter 5 Troubleshooting (3) Check whether the RF signal generator is working under the specified environment temperature. (4) Check whether the test is being performed in a highly magnetic environment. (5) Check whether the power supplies of the RF signal generator and test system have strong interference.

  • Page 97: Chapter 6 Appendix

    Description Order Number RF Signal Generator, 9 kHz to 1.5 GHz DSG815 RF Signal Generator, 9 kHz to 2.1 GHz DSG821 RF Signal Generator, 9 kHz to 2.1 GHz, I/Q DSG821A Modulation (Standard Configuration) Models RF Signal Generator, 9 kHz to 3 GHz DSG830 RF Signal Generator, 9 kHz to 3.6 GHz...

This manual is also suitable for:

Dsg815Dsg800 seriesDsg821aDsg830Dsg836Dsg836a

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