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Chapter 5 Modulated Waveform Output

RIGOL

DG4000 User's Guide

5-5

Double Sideband Suppressed Carrier

DG4000 supports two kinds of amplitude modulation (normal amplitude
modulation and Double Sideband Suppressed Carrier (DSB-SC) amplitude
modulation). In normal amplitude modulation, the modulated waveform contains
carrier components. As the carrier components do not carry information, the
modulation efficiency is low. To improve the modulation efficiency, you can
suppress the carrier components on the basis of the normal amplitude modulation.
At this point, all the modulated waveform components carry information. This
mode is called double sideband suppressed carrier modulation.

Press

DSSC to turn on or off the double sideband suppressed carrier modulation.

By default, normal amplitude modulation is used.

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Summary of Contents for DG4062

Page 1: ...RIGOL User s Guide DG4000 Series Function Arbitrary Waveform Generator Dec 2015 RIGOL TECHNOLOGIES INC...

Page 2: ......

Page 3: ...in this publication replaces all previously released materials Information in this publication is subject to change without notice RIGOL shall not be liable for either incidental or consequential loss...

Page 4: ...of the power cord To avoid electric shock connect the earth terminal of the power cord to the Protective Earth terminal before connecting any input or output terminals Connect the Probe Correctly If...

Page 5: ...ture in the instrument which would cause damage to the instrument So please keep the instrument well ventilated and inspect the air outlet and the fan regularly Do Not Operate in Wet Conditions To avo...

Page 6: ...temperature or fire Keep it out of the reach of children Improper change of a battery lithium battery may cause an explosion Use the RIGOL specified battery only Handle with Caution Please handle wit...

Page 7: ...of important data Safety Terms on the Product DANGER It calls attention to an operation if not correctly performed could result in injury or hazard immediately WARNING It calls attention to an operat...

Page 8: ...ie Erdung durchzuf hren Erst dann d rfen weitere Ein oder Ausg nge verbunden werden Anschluss einesTastkopfes Die Erdungsklemmen der Sonden sindauf dem gleichen Spannungspegel des Instruments geerdet...

Page 9: ...en nur von RIGOL autorisiertem Personal durchgef hrt werden Bel ftung sicherstellen Unzureichende Bel ftung kann zu Temperaturanstiegen und somit zu thermischen Sch den am Ger t f hren Stellen Sie des...

Page 10: ...eine Batterieverwendet wird vermeiden Sie hohe Temperaturen bzw Feuer ausgesetzt werden Bewahren Sie es au erhalbder Reichweitevon Kindern auf Unsachgem e nderung derBatterie Anmerkung Lithium Batteri...

Page 11: ...die Sch den am Ger t hervorrufen k nnen Begriffe auf dem Produkt DANGER weist auf eine Verletzung oder Gef hrdung hin die sofort geschehen kann WARNING weist auf eine Verletzung oder Gef hrdung hin di...

Page 12: ...nect the instrument from all power sources 2 Clean the external surfaces of the instrument with a soft cloth dampened with mild detergent or water When cleaning the LCD take care to avoid scarifying i...

Page 13: ...The equipment may contain substances that could be harmful to the environment or human health To avoid the release of such substances into the environment and avoid harm to human health we recommend...

Page 14: ...RIGOL XII DG4000 User s Guide...

Page 15: ...ine Square Ramp Pulse Noise Sinc Exponential Rise Exponential Fall ECG Gauss Haversine Lorentz Dual Tones Harmonics Video Signal Radar Signal DC etc Enable to edit 16kpts arbitrary waveform and suppor...

Page 16: ...waveform output sync signal output modulation input 10MHz clock input output and trigger input output Support FAT32 formated USB storage device flash type storage Support 10 100M Ethernet web users c...

Page 17: ...Modulated Waveform Output This chapter introduces how to output modulated waveforms e g AM FSK and PWM Chapter 6 Sweep This chapter introduces how to generate a frequency Sweep Chapter 7 Burst This c...

Page 18: ...front panel is denoted by the format of Text Box Key Name Bold in the manual for example Sine 2 Menu The menu is denoted by the format of Character Shading Menu Word Bold in the manual for example Fr...

Page 19: ...In this manual DG4162 is taken as an example to illustrate DG4000 series function arbitrary waveform generator The introductions cover all the functions and performance of the other models Model Numb...

Page 20: ...k Start 1 1 General Inspection 1 2 To Adjust the Supporting Legs 1 3 Appearance and Dimensions 1 4 Front Panel 1 6 Rear Panel 1 13 To Connect to Power 1 16 To Replace the Fuse 1 17 User Interface 1 18...

Page 21: ...latile Waveform 3 10 To Create an Arbitrary Waveform 3 11 Example Edit Points 3 14 Example Edit Block 3 16 To Edit Arbitrary Waveform 3 18 Chapter 4 Harmonic Output 4 1 Overview 4 2 To Set the Fundame...

Page 22: ...ation 5 12 To Select the Carrier Waveform Shape 5 12 To Set the Carrier Amplitude 5 12 To Select the Modulating Waveform Source 5 13 To Set the ASK Rate 5 13 To Set the Modulating Amplitude 5 14 To Se...

Page 23: ...5 25 3FSK 5 26 To Select 3FSK Modulation 5 26 To Select the Carrier Waveform Shape 5 26 To Set the Carrier Frequency 5 26 Modulation Source 5 27 To Set the 3FSK Rate 5 27 To Set the Hop Frequencies 5...

Page 24: ...2 Center Frequency and Frequency Span 6 3 Sweep Type 6 4 Linear Sweep 6 4 Log Sweep 6 5 Step Sweep 6 6 Sweep Time 6 7 Return Time 6 8 Mark Frequency 6 8 Start Hold 6 9 End Hold 6 9 Sweep Trigger Sour...

Page 25: ...Settings 10 1 Overview 10 2 Channel Setting 10 3 Sync 10 3 Sync Polarity 10 4 Sync Mode 10 5 Output Polarity 10 5 Impedance 10 6 Noise Superimposition 10 7 Range 10 7 DDS Hold 10 7 To Set the System L...

Page 26: ...e the External Power Amplifier Option 10 33 To Lock the Keys 10 37 Chapter 11 Remote Control 11 1 Remote Control via USB 11 2 Remote Control via LAN 11 6 Chapter 12 Troubleshooting 12 1 Chapter 13 Spe...

Page 27: ...arameter setting method as well as precautions when using the instrument for the first time Subjects in this chapter General Inspection To Adjust the Supporting Legs Appearance and Dimensions Front Pa...

Page 28: ...rier 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 In ca...

Page 29: ...gs as stands to tilt the generator upwards for easier operation and observation during operation as shown in Figure 1 1 Users can fold the supporting legs for easier storage or carry when the instrume...

Page 30: ...RIGOL Chapter 1 Quick Start DG4000 User s Guide 1 4 Appearance and Dimensions The appearance and dimensions of DG4000 are as shown in Figure 1 3 and Figure 1 4 and the unit is mm Figure 1 3 Front View...

Page 31: ...Chapter 1 Quick Start RIGOL DG4000 User s Guide 1 5 116 7 153 160 7 104 9 12 100 Figure 1 4 Side View...

Page 32: ...panel is pulled out Users can enable or disable the function of this key When enabled users need to press this key to start the instrument after power on when disabled the instrument starts automatic...

Page 33: ...enus respectively Press any softkey to activate the corresponding menu 4 Page Up Down Open the previous or next page of the current function menu 5 CH1 Output BNC connector with 50 nominal output impe...

Page 34: ...s connector outputs the sync signal corresponding to the current settings of CH2 refer to the introduction in Sync 10 Counter Press Counter to turn the counter on or off When the counter is turned on...

Page 35: ...ts of the number During filename input they are used to move the cursor 14 Waveform Selection Area Sine Sine Generate a sine waveform with frequency from 1 Hz to 160MHz When this function is selected...

Page 36: ...ode The instrument can output the 150 kinds of built in waveforms and the arbitrary waveforms stored in USB storage device The instrument can also output the arbitrary waveforms 16 kpts edited from th...

Page 37: ...ton turns on Burst Burst Generate burst waveforms of Sine Square Ramp Pulse and Arbitrary waveform except DC Support three burst types N Cycle Infinite and Gated Noise can also be used to generate Gat...

Page 38: ...hen this function is selected the backlight of the key turns on Help Help To get the context help information about any front panel key or menu softkey press this key until it is illuminated and then...

Page 39: ...upply of 100 240V 45 440Hz Power Fuse 250V T2 A 2 LAN Connect the generator to the local area network for remote control through this interface This generator conforms to LXI Core 2011 Device instrume...

Page 40: ...is usually used to synchronize multiple instruments refer to the introduction in Sync 6 CH1 Mod FSK Trig BNC female connector with 50 nominal impedance Its function is determined by the current workin...

Page 41: ...s an external modulation signal users can set the polarity of the signal Trig In If CH2 is in sweep or burst mode and external trigger source is used this connector accepts an external trigger signal...

Page 42: ...ories to connect the instrument to AC power as shown in Figure 1 7 At this point the generator is powered on and the power button at the lower left corner of the front panel is in breathing state Figu...

Page 43: ...se a small straight screwdriver to prize out the fuse seat 3 Take out the fuse 4 Replace the old fuse with a specified fuse 5 Install the fuse seat again Figure 1 8 To Replace the Fuse WARNING To avoi...

Page 44: ...erface 1 Current Function Display the name of the function currently selected For example Sine indicates that Sine waveform function is currently selected and ArbEdit indicates that Arbitrary Waveform...

Page 45: ...e and type of modulating source or trigger source Output Resistance High Impedance display HighZ Load display the resistance value the default is 50 Mode Modulation display Mod Sweep display Sweep Bur...

Page 46: ...ll be highlighted and the lightspot above the number indicates current cursor location 9 Waveform Display the currently selected waveform shape in each channel 10 Counter The brief information of the...

Page 47: ...he operator key is used to switch between uppercase and lowercase during filename editing Enter Key Press this key to finish parameter input and add the default unit for the parameter Cancel Key 1 Dur...

Page 48: ...move the cursor During filename edit use the knob to select the characters in the soft keyboard In Arb Select Wform BuiltIn and Utility UserKey use the knob to select arbitrary waveform In store and r...

Page 49: ...sing Help twice will get the following common help 1 View the last displayed message 2 View error queue of the remote commands 3 Get the help information of a key 4 Generate a basic waveform 5 Generat...

Page 50: ...curity lock option to lock the generator at a fixed location As shown in the figure below align the lock with the lock hole and plug it into the lock hole vertically turn the key clockwise to lock the...

Page 51: ...configured as a sine waveform with 1kHz frequency and 5Vpp amplitude by default This chapter introduces how to configure the instrument to output various basic waveforms Subjects in this chapter To Se...

Page 52: ...hannel before configuring waveform parameters At start up CH1 is selected by default Press CH1 or CH2 at the front panel and the corresponding area in the user interface is illuminated At this point u...

Page 53: ...this point Square and the parameter setting menu of square waveform are displayed on the right of the user interface 3 Ramp Press Ramp at the front panel to select ramp waveform and the backlight of t...

Page 54: ...lid under the new function the instrument will still use this frequency otherwise the instrument would display prompt message and set the frequency to the frequency upper limit of the new function aut...

Page 55: ...rompt message and set the amplitude to the amplitude upper limit of the new configuration automatically Users can also use High Level or Low Level to set the amplitude Press Ampl HiLevel to highlight...

Page 56: ...tion between Vpp and Vrms fulfills the following equation Vrms Vpp 2 2 For example to convert 2Vpp to the corresponding value in Vrms Press in the numeric keyboard and select the Vrms menu For sine wa...

Page 57: ...denotes the output impedance of the channel and must be a specific value therefore when the output impedance is HighZ dBm cannot be used For example when the output impedance is 50 and the amplitude...

Page 58: ...nt will still use this offset otherwise the instrument would display prompt message and set the offset to the offset upper limit of the new configuration automatically Press Offset LoLevel to highligh...

Page 59: ...the phase previously set When the instrument function is changed the new function will still use this phase Press Start Phase to highlight the softkey At this point use the numeric keyboard to input t...

Page 60: ...ation will align their phases For example assume a sine waveform 1kHz 5Vpp 0 is output from CH1 while another 1kHz 5Vpp 180 from CH2 Use an oscilloscope to sample and display the waveforms of the two...

Page 61: ...Chapter 2 Basic Waveform Output RIGOL DG4000 User s Guide 2 11 Note The Align Phase menu is grayed out and disabled when one of the two channels is in modulation mode...

Page 62: ...range is limited by the Freq Period setting Please refer to Signal Characteristics in Specifications The default value is 50 Press Duty Cycle to highlight the softkey At this point use the numeric ke...

Page 63: ...ilable when ramp is selected T t Symmetry t T 100 The setting range of symmetry is from 0 to 100 and the default is 50 Press Symmetry to highlight the softkey At this point use the numeric keyboard to...

Page 64: ...rising edge amplitude to the 50 threshold of the next falling edge amplitude as shown in the figure above The settable range of the pulse width is limited by the Minimum Pulse Width and the Pulse Per...

Page 65: ...defined as the time required for the pulse amplitude to rise from 10 threshold to 90 threshold while the trailing falling edge time is defined as the time required for the pulse amplitude to fall from...

Page 66: ...igure the parameters such as the resistance and polarity related to the output of the corresponding channel through the channel setting menu CH1Set or CH2Set in Utility For the details please refer to...

Page 67: ...backlight turns on indicating that Pulse waveform is selected 3 Press Freq Period to highlight Freq The lightspot above the number indicates current cursor location as shown in the figure below Use th...

Page 68: ...to highlight it The lightspot above the number indicates current cursor location Use the numeric keyboard to input 75 and select the unit nsec from the pop up menu Press Trailing to highlight it The...

Page 69: ...s to 16kpts Users can edit the user defined arbitrary waveforms on the instrument or edit the arbitrary waveforms via the PC software and then download them to the instrument Users can also store the...

Page 70: ...n Phase refer to Align Phase 6 Point By Point enable the point by point output mode of arbitrary waveform 7 Select Wform select the built in waveforms user defined arbitrary waveforms stored in the in...

Page 71: ...orms or waveforms stored in the non volatile memory of the instrument After you define the waveform to be recalled by this key pressing this key will immediately recall the specified waveform Users ca...

Page 72: ...press Point By Point to enable the point by point output mode of arbitrary waveform In point by point output mode the generator calculates the frequency 30 517578125kHz of the output signal automatica...

Page 73: ...aths Trigonome Anti Trigonome or Window the corresponding waveforms are displayed on the interface use the knob to select the desired waveform and press Select to select the specified waveform Table 3...

Page 74: ...Pulse Linear FM pulse MCNoise Mechanical construction noise Discharge Discharge curve of Ni MH battery Pahcur Current waveform of DC brushless motor Quake Analog quake waveform Radar Analog radar wave...

Page 75: ...due to inductance in wiring ISO7637 2 TP2B Automotive transients due ignition switching off ISO7637 2 TP3A Automotive transients due to switching ISO7637 2 TP3B Automotive transients due to switching...

Page 76: ...gonome CosH Hyperbolic cosine CosInt Integral cosine Cot Cotangent CotHCon Concave hyperbolic cotangent CotHPro Protuberant hyperbolic cotangent CscCon Concave cosecant CscPro Protuberant cosecant Csc...

Page 77: ...H Arc hyperbolic secant ASin Arc Sinc ASinH Arc hyperbolic sine ATan Arc tangent ATanH Arc hyperbolic tangent Window Bartlett Bartlett window BarthannWin Modified Bartlett Hann window Blackman Blackma...

Page 78: ...ile memory Note that this menu is not available if there is no waveform data in the volatile memory currently At this point you can use the following methods to fill up the volatile memory Press Arb C...

Page 79: ...than or equal to 5V 50 3 LoLevel Press this softkey and use the numeric keyboard or direction keys and knob to set the low level of the new waveform The low level is the minimum voltage that can be s...

Page 80: ...evel and LoLevel Insert Insert a waveform point at the middle position of the currently edited point and the next edited point When the interpolation mode is set to Off the voltage of the waveform poi...

Page 81: ...rent interpolation method Note that the first waveform point and the last waveform point cannot be deleted 8 Save The currently created waveform is stored in the volatile memory by default If the memo...

Page 82: ...ect the unit sec from the pop up menu 2 Press HiLevel use the numeric keyboard to input 4 and select the unit V from the pop up menu 3 Press LoLevel use the numeric keyboard to input 2 and select the...

Page 83: ...step 2 to input point 3 and point 4 in the table above 4 After finishing editing all the points press OK to return to the previous menu At this point press Save to enter the file storage interface ref...

Page 84: ...nput 12 and select the unit sec from the pop up menu 2 Press HiLevel use the numeric keyboard to input 4 and select the unit V from the pop up menu 3 Press LoLevel use the numeric keyboard to input 2...

Page 85: ...us waveform 3 After finishing editing all the points press to return to the previous menu At this point press Save to enter the file storage interface refer to Store and Recall to save the edited arbi...

Page 86: ...his menu for the functions and operation methods of the other menus except Select Wform please refer to To Create an Arbitrary Waveform Press Edit Wform Select Wform to select the waveform to be edite...

Page 87: ...mplitude and phase It is usually used in the test of harmonic detector device or harmonic filter device This chapter introduces how to configure the generator to output harmonics Subjects in this chap...

Page 88: ...les of the fundamental waveform frequency are even harmonics DG4000 can output up to 16th order of harmonic After selecting CH1 or CH2 press Harmonic at the front panel to enter the harmonic setting m...

Page 89: ...um output frequency of the instrument fundamental waveform frequency The maximum is 16 To Select the Harmonic Type DG4000 can output even harmonic odd harmonic all orders of harmonic or user defined o...

Page 90: ...aveform the 4th order harmonic and 16th order harmonic Note The harmonics actually output are determined by the Order currently specified To Set the Harmonic Amplitude After entering the harmonic sett...

Page 91: ...this softkey to select the sequence number of the harmonic to be set 2 Phase press this softkey to set the phase of the harmonic selected Use the numeric keyboard to input the phase value and then se...

Page 92: ......

Page 93: ...modulated waveform from a single channel or from two channels at the same time The modulated waveform consists of carrier waveform and modulating waveform The carrier waveform can be Sine Square Ramp...

Page 94: ...th the currently specified carrier and modulating waveforms To Select Carrier Waveform Shape AM carrier waveform could be Sine Square Ramp or Arbitrary waveform except DC The default is Sine Press the...

Page 95: ...ect Sine Square Triangle UpRamp DnRamp Noise or Arb as modulating waveform The default is Sine Square 50 duty cycle Triangle 50 symmetry UpRamp 100 symmetry DnRamp 0 symmetry Arb when arbitrary wavefo...

Page 96: ...pressed as a percentage indicates the amplitude variation degree The AM modulation depth ranges from 0 to 120 Press AM Depth to set AM modulation depth In 0 modulation the output amplitude is half of...

Page 97: ...contains carrier components As the carrier components do not carry information the modulation efficiency is low To improve the modulation efficiency you can suppress the carrier components on the bas...

Page 98: ...urrently specified carrier and modulating waveforms To Select the Carrier Waveform Shape FM carrier waveform could be Sine Square Ramp or Arbitrary waveform except DC The default is Sine Press the fro...

Page 99: ...select Sine Square Triangle UpRamp DnRamp Noise or Arb as modulating waveform The default is Sine Square 50 duty cycle Triangle 50 symmetry UpRamp 100 symmetry DnRamp 0 symmetry Arb when arbitrary wa...

Page 100: ...e to the carrier frequency Press Deviation to set the FM frequency deviation Frequency deviation must be lower than or equal to the carrier frequency The sum of frequency deviation and carrier frequen...

Page 101: ...tly specified carrier and modulating waveforms To Select the Carrier Waveform Shape PM carrier waveform could be Sine Square Ramp or Arbitrary waveform except DC The default is Sine Press the front pa...

Page 102: ...Square Triangle UpRamp DnRamp Noise or Arb as modulating waveform The default is Sine Square 50 duty cycle Triangle 50 symmetry UpRamp 100 symmetry DnRamp 0 symmetry Arb when arbitrary waveform is se...

Page 103: ...on source is selected To Set the Phase Deviation Phase deviation is the deviation of the modulating waveform phase relative to the carrier waveform phase Press Deviation to set the PM phase deviation...

Page 104: ...ent will generate ASK waveform with the currently specified carrier and modulating waveforms To Select the Carrier Waveform Shape ASK carrier waveform could be Sine Square Ramp or arbitrary waveform e...

Page 105: ...s the external modulating signal from the Mod FSK Trig connector at the rear panel Note The Mod FSK Trig connector is different when controlling ASK and AM FM PM modulations externally In ASK modulati...

Page 106: ...the output amplitude In internal modulation set the polarity to Pos and the generator would output the greater of the carrier amplitude and modulating amplitude when the modulating waveform is logic...

Page 107: ...ll be automatically disabled if enabled currently After FSK is enabled the instrument will generate FSK waveform with the currently specified carrier and modulating waveforms To Select the Carrier Wav...

Page 108: ...to select Int or Ext modulating waveform source 1 Internal Source When internal source is selected the modulating waveform is set as a Square with 50 duty cycle and the frequency at which the output...

Page 109: ...highlight it and input the desired frequency value using the numeric keyboard or direction keys and knob Sine 1 Hz to 160MHz Square 1 Hz to 50MHz Ramp 1 Hz to 4MHz Arb 1 Hz to 40MHz To Set the Modula...

Page 110: ...ntly After PSK is enabled the instrument will generate PSK waveform with the currently specified carrier and modulating waveforms To Select the Carrier Waveform Shape PSK carrier waveform could be Sin...

Page 111: ...he external modulating signal from the Mod FSK Trig connector as shown in the figure below at the rear panel Note The Mod FSK Trig connector is different when controlling PSK and AM FM PM modulations...

Page 112: ...of the modulating waveform to control the output phase In internal modulation set the polarity to Pos and the generator would output the carrier phase when the modulating waveform is logic low and ou...

Page 113: ...enabled the instrument will generate BPSK waveform with the currently specified carrier and modulating waveforms To Select the Carrier Waveform Shape BPSK carrier waveform could be Sine Square Ramp or...

Page 114: ...h linear feedback and its period is relevant to the linear feedback logic and the initial state of each register The period of the m sequence generated by n level shift register is 2n 1 As In the figu...

Page 115: ...r s Guide 5 23 To Set the BPSK Phase BPSK phase is the modulating phase Press Phase to set the modulating phase Use the numeric keyboard or direction keys and knob to input the desired phase value The...

Page 116: ...nabled the instrument will generate QPSK waveform with the currently specified carrier and modulating waveforms To Select the Carrier Waveform Shape QPSK carrier waveform could be Sine Square Ramp or...

Page 117: ...between carrier phase and modulating phase Use the numeric keyboard or direction keys and knob to input the desired frequency value The frequency range is from 2mHz to 1MHz and the default is 100Hz To...

Page 118: ...isabled if enabled currently After 3FSK is enabled the instrument will generate 3FSK waveform with the currently specified carrier and modulating waveforms To Select the Carrier Waveform Shape 3FSK ca...

Page 119: ...modulation source Press KeyFreq to set the frequency at which the output frequency shifts between carrier frequency and the two hop frequencies Use the numeric keyboard or direction keys and knob to i...

Page 120: ...ed if enabled currently After 4FSK is enabled the instrument will generate 4FSK waveform with the currently specified carrier and modulating waveforms To Select the Carrier Waveform Shape 4FSK carrier...

Page 121: ...lation source Press KeyFreq to set the frequency at which the output frequency shifts between carrier frequency and three hop frequencies Use the numeric keyboard or direction keys and knob to input t...

Page 122: ...el or signal level at the Mod FSK Trig connector at the rear panel When the internal crystal oscillator starts to oscillate the instrument starts to output the carrier waveform and when the internal c...

Page 123: ...o input the desired frequency The range is from 1 Hz to 160MHz To Select the Modulating Waveform Source Press Mod Source to select Int or Ext modulation source 1 Internal Source When internal source i...

Page 124: ...equency value The frequency range is from 2mHz to 1MHz and the default is 1kHz To Set the Oscillate Period Oscillate period is the oscillation period of internal crystal oscillator The settable range...

Page 125: ...t the modulation type is not PWM pressing Pulse will select PWM automatically When Mod is enabled Sweep or Burst will be automatically disabled if enabled currently After PWM is enabled the instrument...

Page 126: ...eform is selected as modulating waveform the generator would limit the waveform length to 2kpts automatically Note Noise can be used as modulating waveform but cannot be used as carrier waveform 2 Ext...

Page 127: ...th Pulse width deviation range 0s to 500ks The width deviation cannot exceed the current pulse width The width deviation is limited by the minimum pulse width and current edge time setting Duty cycle...

Page 128: ......

Page 129: ...000 supports linear log and step sweep modes allows users to set start hold end hold and return time supports internal external and manual trigger sources and can generate sweep output for Sine Square...

Page 130: ...the end frequency and then returns back to the start frequency Start Frequency End Frequency the generator sweeps from low frequency to high frequency Start Frequency End Frequency the generator swee...

Page 131: ...is 900Hz Different sweep waveform corresponds to different center frequency and frequency span range and center frequency and frequency span are inter related Define the minimum frequency of the wave...

Page 132: ...pan is changed Tip In large scale sweep the amplitude characteristic of the output signal might change Sweep Type DG4000 provides three sweep types including Linear Log and Step and the default is Lin...

Page 133: ...of octave per second or decade per second The change is controlled by Start Frequency End Frequency and Sweep Time When Log Sweep is enabled users could set the following parameters start frequency s...

Page 134: ...uency currently output When Sweep is enabled press Type to select Log An exponential function curve is displayed on the waveform on the screen indicating that the output frequency changes in a logarit...

Page 135: ...tepNum and use the numeric keyboard or knob to input the step number The default is 2 and the range is from 2 to 2048 Note In Linear and Log sweep modes StepNum is grayed out and disabled Figure 6 3 S...

Page 136: ...is changed Mark Frequency The sync signal on the Sync connector at the front panel corresponding to the channel always changes from low level to high level at the start of each sweep and changes from...

Page 137: ...the settable range is from 0s to 300s The generator will renewedly sweep and output from the specified Start frequency once the start hold time is changed End Hold End hold is the period of time that...

Page 138: ...ecified sweep time return time start hold and end hold times 2 External Trigger The generator receives the trigger signal input from the Mod FSK Trig connector at the rear panel A sweep will be genera...

Page 139: ...e specified sweep time return time start hold and end hold Manual Trigger the generator outputs a Pulse waveform with greater than 1 s pulse width at the beginning of the Sweep from the Mod FSK Trig c...

Page 140: ......

Page 141: ...ntrol of burst output by internal manual or external trigger source supports three kinds of burst types including N cycle infinite and gated The generator can use Sine Square Ramp Pulse Noise only for...

Page 142: ...ycle Table 7 1 Relations among burst type trigger source and carrier waveform Burst Type Trigger Source Carrier Waveform N Cycle Int Ext Manual Sine Square Ramp Pulse Arbitrary waveform except DC Infi...

Page 143: ...000 000 external trigger or manual trigger or 1 to 500 000 internal trigger Figure 7 1 N Cycle Burst Infinite Burst In Infinite mode the cycle number of the waveform is set as an infinite value The ge...

Page 144: ...ed Burst In Gated Mode the generator controls the waveform output according to the external signal level from the Mod FSK Trig connector at the rear panel Waveform functions which support Gated Burst...

Page 145: ...he output will stop immediately once the gated signal becomes False Gated Burst could only be triggered by Ext trigger source Users can also set the Start Phase When Burst is enabled press Type to sel...

Page 146: ...he start of a burst to the start of the next burst Burst period 1 s waveform period number of bursts Here waveform period is the period of burst function such as Sine and Square If the burst period is...

Page 147: ...n a trigger signal is received and then wait for the next trigger When Burst is enabled press Source to select Int Ext or Manual The default setting is Int 1 Internal Trigger When internal trigger is...

Page 148: ...er will be ignored Trigger Output Edge In burst mode when the trigger source is Int or Manual the generator would output a TTL compatible signal with specified edge from the Mod FSK Trig connector at...

Page 149: ...is used as the input terminal of external trigger signal and has no trigger output When Int or Manual trigger is selected press TrigOut to specify the edge of the trigger output signal and the default...

Page 150: ......

Page 151: ...and support statistic of measurement results When the statistic function is enabled the instrument calculates the maximum minimum average and standard deviation of the measurement values automatically...

Page 152: ...lays interfaces other than the counter interface pressing Counter will switch to the counter interface Figure 8 1 Counter Parameter Setting Interface No Description No Description 1 Gate Time 8 Runnin...

Page 153: ...aches the specified trigger level The default is 0V and the range available is from 2 5V to 2 5V Press TrigLevel Use the numeric keyboard to input the desired value and select the desired unit V or mV...

Page 154: ...t the gate time of the measurement system and the default is 1 ms GateT1 1 ms GateT2 10 ms GateT3 100 ms GateT4 1 s GateT5 10 s GateT6 10 s 8 Select Meas Press Select Meas to select the type of parame...

Page 155: ...front panel the counter enters the Run state automatically and measures the input signal continuously according to the current configuration When Stop is selected the counter finishes the current meas...

Page 156: ...default is Freq Press Stat En to turn on or off the statistic function of the statistic parameter Press Statist Length to set the statistic length of the statistic parameter currently selected Use the...

Page 157: ...Para is grayed out and disabled 3 Select the measurement mode Press Speed to set the measurement mode of the counter to Full or Normal Full the counter performs measurements exactly according to the s...

Page 158: ...d the signal generator will clear the current statistic results Note When the statistic function is turned off Clear is grayed out and disabled 6 Export the statistic data When there is statistic data...

Page 159: ...00 allows users to store the current instrument state and user defined arbitrary waveform data in the internal or external memory and recall them when needed Subjects in this chapter Storage System Ov...

Page 160: ...ates and arbitrary waveform files created by users or downloaded using remote commands to the C Disk D Disk available when a USB storage device is detected at the USB Host interface at the front panel...

Page 161: ...Guide 9 3 Note DG4000 can only identify filenames consist of Chinese characters English letters number and underscore If other characters are used to name the file or folder the name might be displaye...

Page 162: ...Store the user defined arbitrary waveform in the internal or external memory in RAF format At most 10 arbitrary waveform files can be stored in the internal memory 3 Txt File Read the Txt data files s...

Page 163: ...e store function is not available Browser Type Press Store Browser to switch between Dir and File Use the knob to select the desired directory or file Dir when this type is selected use the knob to sw...

Page 164: ...ate files and arbitrary waveform files can be stored via the instrument Note If File Type is currently set to All File the save operation is unavailable You can also refer to To Create an Arbitrary Wa...

Page 165: ...racter selected would be displayed in the Filename Input Area Use the same method to input all the characters needed You can press Delete to delete the character at the cursor currently in the Filenam...

Page 166: ...ce press Save the generator will save the file under the currently selected directory with the specified filename and file type and display corresponding prompt message when the save operation succeed...

Page 167: ...urrently selected 3 Select the paste destination Set Browser as Dir and use the knob to select D 4 Paste the file Press Paste the generator will paste the copied file to the USB storage device and dis...

Page 168: ...se the knob to select D 2 Create a new folder Set Browser as File use to open the 2 2 menu page and press New Folder to enter the folder name input interface as shown in Figure 9 2 or Figure 9 3 Note...

Page 169: ...st currently inputted into oscilloscope 1 Press Store at the front panel of DG4000 to enter the store and recall interface or press Arb Select Wform Stored Wforms at the front panel of DG4000 to enter...

Page 170: ...oscilloscope to protect the circuit under test the output of DG4000 will be turned off automatically Turn on the channel output of DG4000 to output the waveform displayed on the screen or stored in t...

Page 171: ...meters of dual channels configure remote interfaces and set system parameters Subjects in this chapter Overview Channel Setting To Set the System Language To Configure the Remote Interface System Sett...

Page 172: ...arameters of CH2 3 Language set the language type 4 I O Config set the remote control interface parameters 5 System set the system parameters 6 Print Set set parameters related to screen print 7 Test...

Page 173: ...connector is logic low 2 Sync Signals of Various Waveforms For Sine Square Ramp and Pulse the sync signal is a Square with 50 duty cycle It is TTL high level relative to 0V or DC offset when the outp...

Page 174: ...high level when sweep starts and transforms to TTL low level at the marked frequency point For a N cycle burst the sync signal is TTL high level when burst starts and transforms to TTL low level whil...

Page 175: ...of the period and is low level within the second half of the period When the sync polarity is negative the Sync output is reverse to that when the sync polarity is positive Output Polarity Set the si...

Page 176: ...knob to set a specific impedance value The default is 50 and the settable range is from 1 to 10k The impedance setting will be displayed on the screen As shown in the figure below the impedance of CH...

Page 177: ...d out and disabled Range Press Utility CH1Set Range and select Auto or Hold The default is Auto Auto the signal generator selects the optimum settings for the output amplifier and attenuator Hold disa...

Page 178: ...f To Set the System Language DG4000 supports menus in various languages as well as provides Chinese and English help information prompt messages and interface display Press Utility Language to select...

Page 179: ...to open the I O setting menu and set the LAN interface parameters for remote communication or select the type of device connected to the USB interface LAN Setting Press Utility I O Config LAN to open...

Page 180: ...dress 48 bits namely 6 bytes is usually expressed in hexadecimal format such as 00 14 0E 42 12 CF VISA Descriptor VISA Virtual Instrument Software Architecture is an advanced application programming i...

Page 181: ...or off When the DHCP mode and Auto IP mode are turned on at the same time the instrument will use the DHCP mode therefore to enable this mode set DHCP to Off 3 Manual In Manual mode the LAN parameter...

Page 182: ...keys to enter your desired subnet mask The setting is stored in non volatile memory and will be automatically loaded when the generator is powered on the next time if DHCP and Auto IP are set to Off T...

Page 183: ...esired DNS address The setting is stored in non volatile memory and will be automatically loaded when the generator is powered on the next time if DHCP and Auto IP are set as Off Default Configuration...

Page 184: ...rument remotely or to print the contents displayed on the screen Press Utility I O Config USB Dev Select PC users can use PC software to edit arbitrary waveform and download it to the internal memory...

Page 185: ...at to enter the number format setting interface Decimal Point could be set as dot or comma and the default is dot Separator when the decimal point is set to the separator can be set to Space or None W...

Page 186: ...de after the generator is powered on to Auto or Manual and the default is Auto Auto the instrument starts automatically after power on Manual users need to press the power switch at the front panel to...

Page 187: ...truments Synchronization between two instruments Connect the 10MHz In Out connector of Generator A set the clock source to Int to the 10MHz In Out connector of Generator B set the clock source to Ext...

Page 188: ...The current setting is stored in non volatile memory and will not be influenced by Preset Screen Saver Enable or disable screen saver mode Press Utility System ScrnSvr to select On or Off and the def...

Page 189: ...print setting menu Copies press this softkey and use the knob to input the number of copies to be printed The range is from 1 to 1000 Palette press this softkey to set the color of the image to Gray o...

Page 190: ...in the USB storage device in picture format according to the preset configuration Note If no PictBridge printer is currently connected to the generator or no USB storage device is detected the print o...

Page 191: ...calibration password 2 Secure By default this menu is On You can only set it to Off after you input the correct calibration password When it is set to Off the instrument security mode is turned off 3...

Page 192: ...led At this point Cpl Base is grayed out and disabled 2 Turn on the Coupling Function Press Coupling to turn On or Off the frequency phase and amplitude coupling functions at the same time The default...

Page 193: ...including Sine Square Ramp and Arbitrary waveform except DC If the sum of the frequency phase or amplitude of the base channel and the corresponding deviation set exceeds the upper limit of frequency...

Page 194: ...User s Guide 10 24 Channel coupling and channel copy are mutually exclusive The prompt message Channel copy not allowed in Coupling mode would be displayed if users execute channel copy operation pres...

Page 195: ...orm State include waveform except volatile waveform and waveform parameters such as frequency and amplitude functions such as modulation sweep and burst as well as output configurations such as sync r...

Page 196: ...hortcut waveform defining interface Select a type by pressing the menu softkey at the right side of the screen use the knob to select the desired waveform such as AbsSine use to open the 2 2 menu page...

Page 197: ...Chapter 10 Utility Functions and System Settings RIGOL DG4000 User s Guide 10 27 modify the waveform parameters Figure 10 6 Press User to Quickly Recall the Waveform...

Page 198: ...r10 After that pressing Preset at the front panel under any state will switch the instrument to the specified state Note that before selecting any of User1 to User10 make sure that valid state file is...

Page 199: ...veform Sinc Point By Point Output Off Harmonic Order 2 Type Even Amplitude 1 264 7Vpp Phase 0 AM Modulation Modulation Source Int Modulating Waveform Sine AM Frequency 100Hz Modulation Depth 100 FM Mo...

Page 200: ...ulation Source Int ASK Rate 100Hz Modulating Amplitude 2Vpp ASK Polarity Pos FSK Modulation Modulation Source Int FSK Rate 100Hz Hop Frequency 10kHz FSK Polarity Pos PSK Modulation Modulation Source I...

Page 201: ...ncy 2 100Hz Hop Frequency 3 100Hz OSK Modulation Modulation Source Int Rate 1kHz Oscillate Time 100 s Sweep Sweep Type Linear Step 2 Sweep Time 1s Start Hold 0s End Hold 0s Return Time 0s Start Freque...

Page 202: ...eeper On Power On Setting Default Screen Saver On Clock Source Internal Decimal Point Dot Thousand Separator Comma Brightness Factory Delivery Setting Language Factory Delivery Setting Print Destinati...

Page 203: ...It can be used with any of the DG series products to quickly build a test platform or be used with other signal generators as an independent power amplifier Main features of PA1011 Flexible and easy...

Page 204: ...ut impedance of the instrument Zi is 50k The range of the input voltage is from 10V to 10V when the voltage gain is X1 and from 1 25V to 1 25V when the voltage gain is X10 When the input exceeds these...

Page 205: ...vents at the side and the fan cooling apertures at the rear panel of PA1011 are not blocked during operation to avoid affecting the normal operation of the instrument PA1011 Accessories Name Qty Expl...

Page 206: ...signal at the output terminal of the power amplifier to X1 or X10 Wherein X1 indicates output without gain and X10 indicates amplifying the signal for 10 times and then output it 3 Output Press this...

Page 207: ...anel using the key locking command 1 Key locking command introduction SYSTem KLOCk key ON OFF 0 1 Lock or unlock the specified key SYSTem KLOCk key Query whether the specified key is locked Wherein ke...

Page 208: ...odes to lock or unlock the keys 1 Send command via Ultra Sigma to lock or unlock the specified key Build the communication between the signal generator and PC Run Ultra Sigma and search for instrument...

Page 209: ...unlock the specified keys and the Nth row is empty At this point you can execute N 1 locking or unlocking operations by reading the file via the instrument Steps Edit the command file that meets the a...

Page 210: ......

Page 211: ...ogramming refer to the DG4000 Programming Guide Use PC software Users can use the PC software to send commands to remotely control DG4000 Ultra Sigma of RIGOL is recommended You can download the lates...

Page 212: ...ou connect the signal generator to the PC and turn on the signal generator for the first time the signal generator is automatically configured to USB interface at the same time make sure that Utility...

Page 213: ...Chapter 11 Remote Control RIGOL DG4000 User s Guide 11 3 3 4 5 6...

Page 214: ...ll automatically search for the instrument resource currently connected to the PC via the USB interface You can also click to search for the resources 4 View the device resource The resource found wil...

Page 215: ...example DG4162 USB0 0x1AB1 0x0641 DG410520023 INSTR 5 Control the instrument remotely Right click the resource name DG4162 USB0 0x1AB1 0x0641 DG410520023 INSTR to select SCPI Panel Control to open the...

Page 216: ...ll search for the instrument resource currently connected to the LAN the resource found is displayed at the right of the panel Click to add the resource Note If you want to remove the unwanted resourc...

Page 217: ...r manufacturer serial number description MAC address and IP address will be displayed on the webpage In the LXI webpage click Network Settings at the left side then input the initial password 123456 n...

Page 218: ......

Page 219: ...is too small 2 Press Utility System Bright and use the numeric keyboard or knob to adjust the brightness of the signal generator screen to a proper value 3 The generator is locked 1 Check whether the...

Page 220: ...et or CH2Set Imped to check whether the setting is HighZ If yes you cannot set the amplitude of the waveform in dBm at this time Press Imped to select Load and use the numeric keyboard or the directio...

Page 221: ...ections are tight 10 Check whether any cable has internal damage 11 Make sure that the operations conform to the settings and processes specified by the performance verification guide 12 Check whether...

Page 222: ......

Page 223: ...Sample Rate 500MSa s Waveforms Standard waveforms Sine Square Ramp Pulse Noise Harmonics Arbitrary Waveforms 150 kinds including Sinc Exponential Rise Exponential Fall ECG Gauss HaverSine Lorentz Dual...

Page 224: ...z deviation 10MHz 115dBc Hz Signal Characteristics Square Rise Fall Time Typical 1Vpp 8ns Typical 1Vpp 10ns Typical 1Vpp 12ns Overshoot Typical 100kHz 1Vpp 3 Duty Cycle 10MHz 20 0 to 80 0 10MHz 40MHz...

Page 225: ...ints Edit Block Harmonic Harmonic Order 16 Harmonic Type Even Odd All User Harmonic Amplitude can be set for all harmonics Harmonic Phase can be set for all harmonics Output Characteristics Amplitude...

Page 226: ...orm Output Impedance 50 Typical Protection Short circuit protection automatically disable waveform output when overload occurs Modulation Characteristics Modulation Type AM FM PM ASK FSK PSK BPSK QPSK...

Page 227: ...equency 2mHz to 1MHz FSK Carrier Waveform Sine Square Ramp Arb except DC Source Internal External Modulating Waveform Square with 50 duty cycle Key Frequency 2mHz to 1MHz 3FSK Carrier Waveform Sine Sq...

Page 228: ...Key Frequency 2mHz to 1MHz OSK Carrier Waveform Sine Source Internal External Oscillation Time 8ns to 499 75 s Key Frequency 2mHz to 1MHz PWM Carrier Waveform Pulse Source Internal External Modulatin...

Page 229: ...Sweep Time 1ms to 300s Hold Return Time 0ms to 300s Trigger Source Internal External or Manual Mark Falling edge of Sync signal programmable Counter Specifications Function Frequency Period Positive...

Page 230: ...tage 7Vac dc Attenuation closed Impedance 1 M 70Vac dc Attenuation open 5Vrms Impedance 5 0 Input Adjustment Attenuation Open 10 Closed 1 Impedance 50 1M Coupling AC DC HF Reject ON input bandwidth 25...

Page 231: ...Resolution 0 03 External Reference Input Lock Range 10MHz 50Hz Level 250mVpp to 5Vpp Lock Time 2s Impedance Typical 1k AC coupling Internal Reference Output Frequency 10MHz 50Hz Level 3 3Vpp Impedance...

Page 232: ...Range Operating 10 to 40 Non Operating 20 to 60 Cooling Method Cooling by fans compulsively Humidity Range Less than 35 90 Relative Humidity RH 35 to 40 60 Relative Humidity RH Altitude Operating Les...

Page 233: ...l DG4102 DG4062 60MHz dual channel DG4062 Standard Accessories Power Cord USB Cable CB USBA USBB FF 150 BNC Cable 1 meter CB BNC BNC MM 100 Quick Guide Warranty Optional Accessories 40dB Attenuator RA...

Page 234: ...put equivalent 12V External Input 10Vmax gain X1 1 25Vmax gain X10 Power Amplifier Specifications Running Mode Constant voltage Gain Switch between 10V 1V and 10V 10V DC gain error 5 Polarity Switch N...

Page 235: ...w rate Vmax the maximum output amplitude without distortion of the power amplifier Note 2 Definition of Output Slew Rate input a large step function signal into the power amplifier and the output slop...

Page 236: ...t or repair of any defective products within a reasonable period of time To get repair service please contact with your nearest RIGOL sales or service office There is no other warranty expressed or im...

Page 237: ...35 Edit Block 3 12 Edit Points 3 12 end frequency 6 2 End Hold 6 9 External Power Amplifier 10 33 FM 5 6 Frequency 2 4 frequency coupling 10 22 Frequency deviation 5 8 frequency span 6 3 Frequency Sw...

Page 238: ...9 Step Sweep 6 6 Subnet Mask 10 12 Supporting Legs 1 3 Sweep Time 6 7 sweep trigger source 6 10 Symmetry 2 13 Sync Mode 10 5 Sync Output 10 3 Sync Polarity 10 4 Test Cal 10 21 To Edit Arbitrary Wavefo...

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