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Automatic Measurements

Automatic measurement function measures input signal attributes

and updates them in the display.

Measurement items

Overview

Voltage

type

Vpp

Vmax

Vmin

Vamp

Vhi

Vlo

Vavg

Vrms
ROVShoot

FOVShoot

RPREShoot

FPREShoot

Time type

Frequency

Period

RiseTime

FallTime

+Width

-Width

Dutycycle

Voltage
measurement

items

Vpp

Difference between positive

and negative peak voltage

(=Vmax Vmin)

Vmax

Positive peak voltage.

Vmin

Negative peak voltage.

Vamp

Difference between global

high and global low voltage

(=Vhi Vlo)

Vhi

Global high voltage.

Vlo

Global low voltage.

DSO-4000 User Manual

Vavg

Averaged voltage of the first

cycle.

Vrms

RMS (root mean square)

voltage.

ROVShoot

Rise overshoot voltage.

FOVShoot

Fall overshoot voltage.

RPREShoot

Rise preshoot voltage.

FPREShoot

Fall preshoot voltage.

Time
measurement

items

Freq

Frequency of the waveform.

Period

Waveform cycle time

(=1/Freq).

Risetime

Rising time of the pulse

(~90%).

Falltime

Falling time of the pulse

(~10%).

+Width

Positive pulse width.

–Width

Negative pulse width.

Duty Cycle

Ratio of signal pulse

compared with whole cycle

=100x (Pulse Width/Cycle)

Содержание DSO 4000 Series

Страница 1: ...0 10 90 100 Digital Storage Oscilloscope DSO 4022 4042 4062 4102 Bestell Nr 122460 122461 122462 122463 ...

Страница 2: ...RENCE 18 Menu Tree and Shortcuts 18 Acquire key 18 Autoset key 19 CH1 2 key 19 Cursor key 1 2 19 Cursor key 2 2 20 Display key 20 Hardcopy key 21 Help key 21 Horizontal menu key 21 Math key 1 2 22 Math key 2 2 22 Measure key 23 Run Stop key 23 Save Recall key 1 9 24 Save Recall key 2 9 24 Save Recall key 3 9 25 Save Recall key 4 9 25 Save Recall key 5 9 26 Save Recall key 6 9 26 Save Recall key 7 ...

Страница 3: ...Selecting the horizontal scale 54 Selecting the waveform update mode 55 TABLE OF CONTENTS 4 Zooming the waveform horizontally 56 Viewing waveforms in the X Y mode 57 Vertical View Channel 58 Moving the waveform position vertically 58 Selecting the vertical scale 58 Selecting the coupling mode 58 Inverting the waveform vertically 59 Limiting the waveform bandwidth 59 Selecting the probe attenuation...

Страница 4: ...Common specifications 97 Probe Specifications 99 DSO 4022 4042 Probe 99 DSO 4062 4102 Probe 99 Declaration of Conformity 100 INDEX 101 DSO 4000 User Manual 6 SAFETY INSTRUCTION This chapter contains important safety instructions that should be followed when operating and storing the oscilloscope Read the following before any operation to ensure your safety and to keep best condition for the oscill...

Страница 5: ...ound DSO 4000 User Manual 8 Fuse WARNING Fuse type T1A 250V To ensure fire protection replace the fuse only with the specified type and rating Disconnect the power cord before replacing the fuse Make sure the cause of fuse blowout is fixed before replacing the fuse Cleaning the oscilloscope Disconnect the power cord before cleaning the oscilloscope Use a soft cloth dampened in a solution of mild d...

Страница 6: ... protected by a suitably rated and approved HBC mains fuse refer to the rating information on the equipment and or user instructions for details As a guide cable of 0 75mm2 should be protected by a 3A or 5A fuse Larger conductors would normally require 13A types depending on the connection method used Any moulded mains connector that requires removal replacement must be destroyed by removal of any...

Страница 7: ...igures the probe compensation signal page91 Help key Help Shows the Help contents on the display page33 Autoset key Autoset Automatically configures the horizontal vertical and trigger settings according to the input signal page35 Measure key Measure Configures and runs automatic measurements page41 Save Recall key Save Recall Saves and recalls image waveform or panel settings page71 Hardcopy key ...

Страница 8: ... display image and panel settings page71 Probe compensation output Outputs a 2Vp p square signal for compensating the probe page91 or demonstration External trigger input EXT TRIG Accepts an external trigger signal page61 Power switch Powers the oscilloscope on or off DSO 4000 User Manual 14 Rear Panel LI NE VO LTAG E AC 100 240V FU SE RA TI N G RAN G E T1A 250V FREQ UEN CY 50 60Hz PO W ER M AX 18...

Страница 9: ... source and polarity Horizontal status Vertical status Shows the channel configurations coupling mode vertical scale and horizontal scale DSO 4000 User Manual 16 Setting up the Oscilloscope Background This section describes how to set up the oscilloscope properly including connecting a signal adjusting the scale and compensating the probe Before operating the oscilloscope in a new environment run ...

Страница 10: ...ual 18 QUICK REFERENCE This chapter lists the oscilloscope menu tree operation shortcuts built in help coverage and default factory settings Use this chapter as a handy reference to access the oscilloscope functionalities Menu Tree and Shortcuts Normal Press the functional key for Normal Average Repeatedly press the functional key for Average Normal Average Select a menu from Normal to Average and...

Страница 11: ...or X1 VAR Move X2 cursor X2 VAR Move both X1 and X2 cursor X1X2 VAR Switch to Y cursor CH1 2 MATH Source CH1 X1 123 4us X2 22 9us X1X2 23 6us f 11 9Hz Y Cursor X Y DSO 4000 User Manual 20 Cursor key 2 2 Turn cursor on off Cursor Move Y1 cursor Y1 VAR Move Y2 cursor Y2 VAR Move both Y1 and Y2 cursor Y1Y2 VAR Switch to X cursor X Y Display key Select waveform type Type Waveform accumulate On Off Acc...

Страница 12: ...e Roll Select XY mode XY DSO 4000 User Manual 22 Math key 1 2 Math on off Math Select math operation type Operation Select addition subtraction CH1 CH2 Set result position Position VAR Math result Volt Div Unit Div VAR Math key 2 2 Math on off Math Select math operation type FFT Operation Select FFT source channel Source Select FFT window Window Select FFT result position Position VAR Select verti...

Страница 13: ...m or trigger Run Stop DSO 4000 User Manual 24 Save Recall key 1 9 Switch to Save or Recall menu Save Recall Recall default setup Default Setup Save Recall key 2 9 Select other menu Recall Setup Select setup source Source VAR Recall setup Recall Go to SD card file utilities Recall Setup Recall File Utilities SD Card only To File Utilities Recall Setup Source Memory Memory SD Card File Utilities ...

Страница 14: ... A Turn ref waveform B on off Ref B DSO 4000 User Manual 26 Save Recall key 5 9 Select other menu Save Setup Select destination Destination VAR Save setup Save Go to SD card file utilities Save Setup Destination Memory Save File Utilities Memory SD Card SD Card only To File Utilities Save Setup File Utilities Save Recall key 6 9 Select other menu Save Waveform Select source Source VAR Select desti...

Страница 15: ...Manual 28 Save Recall key 9 9 Select file folder VAR Select Create or rename folder file New Folder Rename VAR Enter character Backspace Save Previous menu Delete folder file Delete Go to previous menu Previous menu Trigger key 1 4 Select video trigger type Type Select trigger source Source Select video standard Standard Select video polarity Polarity Select video field line Type Video Source CH1 ...

Страница 16: ...ce Select pulse trigger condition and pulse width When VAR Go to slope coupling menu page30 Slope Coupling Select trigger mode Mode DSO 4000 User Manual 30 Trigger key 4 4 Select trigger slope type Slope Select trigger coupling mode Coupling Select frequency rejection Rejection Turn noise rejection on off Noise Rej Go back to previous menu Previous Menu Utility key 1 4 Go to hardcopy menu Hardcopy...

Страница 17: ...nu DSO 4000 User Manual 32 Default Settings Here are the factory installed panel settings which appear when pressing the Save Recall key Default Setup Acquisition Mode Normal Channel Scale 2V Div Invert Off Coupling DC Probe attenuation x1 BW limit Off DSO 4102 DSO 4062 Channel 1 2 On Cursor Source CH1 Cursor Off Display Type Vectors Accumulate Off Grid Horizontal Scale 2 5us Div Mode Main Timebas...

Страница 18: ...e Help mode Help DSO 4000 User Manual 34 MEASUREMENT The Measurement chapter describes how to properly observe a signal using the oscilloscope s basic functionalities and how to observe a signal in detailed manners using one of the advanced functionalities automatic measurements cursor measurements and math opetaions Basic Measurements This section describes the basic operations required in captur...

Страница 19: ...ndoing the Autoset To undo the Autoset press Undo available for 5 seconds Adjusting the trigger level If the waveform is still unstable try adjusting the trigger level up or down by using the Trigger Level knob LEVEL Limitation Autoset does not work in the following situation Input signal frequency less than 20Hz Input signal amplitude less than 30mV Running and stopping the trigger Background In ...

Страница 20: ...ast TIME DIV Selecting the horizontal scale Range 1ns Div 10s Div 1 2 5 increment Changing the vertical position and scale For more detailed configuration see page58 To move the waveform up or down turn the vertical position knob for each channel Set vertical position As the waveform moves the vertical position of the cursor appears at the bottom left corner of the display Run Stop mode The wavefo...

Страница 21: ...tion 1k 100kHz 5 95 Demonstration signal for showing the effects of peak detection See page49 for peak detection mode details 1 Connect the probe between the compensation signal output and Channel input View the probe compensation waveform CH1 x1 x10 2 Press the Utility key Utility DSO 4000 User Manual 40 3 Press ProbeComp 4 Press Wave type repeatedly to select the wave type 5 For only To change t...

Страница 22: ...oltage Vamp Difference between global high and global low voltage Vhi Vlo Vhi Global high voltage Vlo Global low voltage DSO 4000 User Manual 42 Vavg Averaged voltage of the first cycle Vrms RMS root mean square voltage ROVShoot Rise overshoot voltage FOVShoot Fall overshoot voltage RPREShoot Rise preshoot voltage FPREShoot Fall preshoot voltage Time measurement items Freq Frequency of the wavefor...

Страница 23: ...al shows the precise position of the input waveforms or math operation result Using the horizontal cursors Procedure 1 Press the Cursor key The cursors appear in the display Cursor 2 Press X Y to select the horizontal X1 X2 cursor 3 Press Source repeatedly to select the source channel Range CH1 2 Math 4 The cursor measurement results will appear in the menu F2 to F4 Parameters X1 Time position of ...

Страница 24: ... input waveforms The resulted waveform can be measured using the cursors and saved or recalled just like normal input signals Overview Addition Adds amplitude of CH1 CH2 signals Subtraction Extracts the amplitude difference between CH1 CH2 FFT Runs FFT calculation on a signal Four types of FFT windows are available Hanning Flattop Rectangular and Blackman Frequency resolution Good Hanning FFT wind...

Страница 25: ...ng the FFT function Procedure 1 Press the Math key MATH 2 Press Operation repeatedly to select FFT 3 Press Source repeatedly to select the source channel 4 Press Window repeatedly to select the FFT window type 5 The FFT result appears The horizontal scale changes from time to frequency and the vertical scale from voltage to dB 6 To move the FFT waveform vertically press Position and use the Variab...

Страница 26: ... User Manual 50 Average Multiple data are averaged to form a waveform This mode is useful for drawing a noise free waveform To select the number press Average repeatedly Average number 2 4 8 16 32 64 128 256 Peak detect To activate the Peak detect mode press Peak Detect Only the minimum and maximum value pairs for each acquisition interval bucket are used This mode is useful for catching abnormal ...

Страница 27: ...ores greater waveform details but takes longer to update the waveform This mode is used when the sampling rate becomes higher than 250MSa s The maximum equivalent time sampling rate is 25GSa s DSO 4000 User Manual 52 Display The Display section describes how to configure the display settings drawing type waveform accumulation contrast adjustment and grid settings Selecting the vector or dot drawin...

Страница 28: ... DSO 4000 User Manual 54 Horizontal View The Horizontal view section describes how to configure the horizontal scale position waveform update mode window zoom and X Y mode Moving the waveform position horizontally Procedure The horizontal position knob moves the waveform left or right The position indicator at the top of the display shows the center and current position Center position Moving righ...

Страница 29: ... of the display Main mode Roll mode Timebase 250ms div 100Sa s Trigger Auto mode only Selecting the Roll mode manually 1 Press the Horizontal menu key MENU 2 Press Roll The horizontal scale automatically becomes 250ms div and the waveform starts scrolling from the right side of the display If the oscilloscope is already in the Roll mode there will be no change DSO 4000 User Manual 56 Zooming the w...

Страница 30: ...Example DSO 4000 User Manual 58 Vertical View Channel The Vertical view section describes how to set the vertical scale position bandwidth limitation coupling mode and attenuation Moving the waveform position vertically Procedure To move the waveform up or down turn the vertical position knob for each channel Selecting the vertical scale Procedure To change the vertical scale turn the VOLTS DIV kn...

Страница 31: ...ey CH 1 DSO 4000 User Manual 60 2 Press BW Limit to turn on or off the limitation When turned on the BW incicator appears next to the Channel indicator in the display Example BW Limit Off BW Limit On Selecting the probe attenuation level Background A signal probe has an attenuation switch to lower the original DUT signal level to the oscilloscope input range if necessary The probe attenuation sele...

Страница 32: ...ates an internal trigger Select this mode especially when viewing rolling waveforms at a slow timebase DSO 4000 User Manual 62 The Auto trigger status appears in the upper right corner of the display Single The oscilloscope acquires the input signals once when a trigger event occurs then stops acquiring Pressing the Single key triggers on the input signals again SINGLE The Single trigger status ap...

Страница 33: ... Press the Trigger menu key MENU 2 Press Type repeatedly to select edge trigger 3 Press Source repeatedly to select the trigger source Range Channel 1 2 Line Ext DSO 4000 User Manual 64 4 Press Mode repeatedly to select the Auto or Normal trigger mode To select the Single trigger mode press the Single key SINGLE Range Auto Normal Single 5 Press Slope coupling to enter into the trigger slope and co...

Страница 34: ...ARIABLE Field 1 2 Video line NTSC 1 262 Even 1 263 Odd PAL SECAM 1 312 Even 1 313 Odd DSO 4000 User Manual 66 Configuring the pulse width trigger Procedure 1 Press the Trigger menu key MENU 2 Press Type repeatedly to select pulse width trigger The pulse width trigger indicator appears at the bottom of the display 3 Press Source repeatedly to select the trigger source Range Channel 1 2 Ext 4 Press ...

Страница 35: ...ection describes how to manually trigger the input signals when the oscilloscope does not capture them This section applies to the Normal and Single trigger mode since in the Auto trigger mode the oscilloscope keeps updating the input signal regardless of the trigger conditions To acquire the signal regardless of trigger conditions To acquire the input signal regardless of the trigger condition pr...

Страница 36: ...return the manufacturer model number serial number and firmware version in the following format Conrad DSO 4xxx 000000001 V1 00 5 Configuring the command interface is completed Refer to the programming manual for the remote commands and other details DSO 4000 User Manual 70 System Settings The system settings show the oscilloscope s system information and allow changing the language Viewing the sy...

Страница 37: ...ser Manual 72 External SD card An SD card 2GB or less FAT or FAT32 format can hold practically unlimited number of waveforms Ref A B The two reference waveforms are used as the buffer to recall a waveform in the display You have to save a waveform into an internal memory or an SD card then copy the waveform into the reference waveform slot A or B and then recall the reference waveform into the dis...

Страница 38: ... User Manual 74 Using the SD card file utilities Background For the SD card inserted into the oscilloscope file deletion folder creation file folder rename are available from the front panel SD Card restriction The DSO 4000 series accept the following SD card Size 2GB or less Format FAT or FAT32 Procedure 1 Insert an SD card to the card slot 2 Press the Save Recall key Select any save or recall fu...

Страница 39: ...on press any other key DSO 4000 User Manual 76 Quick Save HardCopy Background The Hardcopy key works as a shortcut for saving display image waveform data and panel settings into an SD card Hardcopy Hardcopy key can be configured into two types of operation save image and save all image waveform setup Using the Save Recall key can also save files with more option For details see page78 Save Recall ...

Страница 40: ...Item Source Destination Panel setup xxxx set Panel settings Internal memory S1 S15 External memory SD card Waveform data xxxx csv Channel 1 2 Math operation result Reference waveform A B Internal memory W1 W15 Reference waveform A B External memory SD card Display image xxxx bmp Display image External memory SD card Save All Display image xxxx bmp Waveform data xxxx csv Panel settings xxxx set Ext...

Страница 41: ...onnected before completion File utilities To edit SD card contents create delete rename files and folders press File Utilities For details see page74 DSO 4000 User Manual 80 Saving the waveform Procedure 1 For saving to an external SD card Insert the card into the slot 2 Press the Save Recall key twice to recall the Save menu Save Recall Save Recall 3 Press Save Waveform 4 Press Source Use the Var...

Страница 42: ...l limitation on the amount of file When saved the image file will be placed in the root directory 6 Press Save to confirm saving When completed a message appears at the bottom of the display Note The file will not be saved if the power is turned off or SD card is disconnected before completion File utilities To edit SD card contents create delete rename files and folders press File Utilities For d...

Страница 43: ... utilities To edit SD card contents create delete rename files and folders press File Utilities For details see page74 DSO 4000 User Manual 84 Recall File type source destination Item Source Destination Default panel setup Factory installed setting Current front panel Reference waveform Internal memory A B Current front panel Panel setup DSxxxx set Internal memory S1 S15 External memory SD card Cu...

Страница 44: ...f Noise Rejection Off Utility SaveImage InkSaver Off DSO 4000 User Manual 86 Recalling a reference waveform to the display Procedure 1 The reference waveform must be stored in advance See page80 for details 2 Press the Save Recall key Save Recall 3 Press Display Refs The reference waveform display menu appears 4 Select the reference waveform Ref A or Ref B and press it The waveform appears on the ...

Страница 45: ...efore completion File utilities To edit SD card contents create delete rename files and folders press File Utilities For details see page74 DSO 4000 User Manual 88 Recalling a waveform Procedure 1 For recalling from an external SD card Insert the card into the slot 2 Press the Save Recall key Save Recall 3 Press Recall Waveform The display shows the available source and destination options 4 Press...

Страница 46: ...al 90 MAINTENANCE Two types of maintenance operations are available calibrating the vertical resolution and compensating the probe Run these operations when using the oscilloscope in a new environment Vertical Resolution Calibration 1 Press the Utility key Utility Procedure 2 Press More 3 Press Self Cal Menu 4 Press Vertical The message Set CAL to CH1 then press F5 appears at the bottom of the dis...

Страница 47: ...1 input and the probe compensation output 2Vp p 1kHz square wave on the front panel Set the probe attenuation to x10 CH1 x1 x10 2 Press the Utility key Utility 3 Press ProbeComp 4 Press Wavetype repeatedly to select the standard square wave DSO 4000 User Manual 92 5 Press the Autoset key The compensation signal will appear in the display Autoset 6 Press the Display key then Type to select the vect...

Страница 48: ...The probe waveform is distorted You might need to compensate the probe For details see page91 Note that the frequency accuracy and duty factor are not specified for probe compensation waveform and therefore it should not be used for other reference purpose Autoset does not catch the signal well Autoset function cannot catch signals under 30mV or 30Hz Please use the manual operation See page35 for ...

Страница 49: ...4ns approx DSO 4042 Bandwidth 3dB DC coupling DC 40MHz AC coupling 10Hz 40MHz Bandwidth Limit None Trigger Sensitivity 0 5div or 5mV DC 25MHz 1 5div or 15mV 25MHz 40MHz External Trigger Sensitivity 50mV Rise Time 8 75ns approx DSO 4062 Bandwidth 3dB DC coupling DC 60MHz AC coupling 10Hz 60MHz Bandwidth Limit 20MHz 3dB Trigger Sensitivity 0 5div or 5mV DC 25MHz 1 5div or 15mV 25MHz 60MHz External T...

Страница 50: ... 10ns 500ns div 10s div Average 2 4 8 16 32 64 128 256 DSO 4000 User Manual 98 Cursors and Measurement Voltage Vpp Vamp Vavg Vrms Vhi Vlo Vmax Vmin Rise Preshoot Overshoot Fall Preshoot Overshoot Time Freq Period Rise Time Fall Time Width Width Duty Cycle Cursors Voltage difference V and Time difference T between cursors Auto Counter Resolution 6 digits Accuracy 2 Signal source All available trigg...

Страница 51: ... Cond Temperature 10 C 55 C Relative Humidity 85 35 C Safety Standard EN 61010 031 CAT II DSO 4000 User Manual 100 Declaration of Conformity The below mentioned products Type of Product Digital Storage Oscilloscope Model Number DSO 4022 DSO 4042 DSO 4062 DSO 4102 are herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Law of Member States...

Страница 52: ... fuse replacement 95 safety instruction 8 general purpose signal 39 ground coupling 58 symbol 6 terminal 13 hanning window 46 hardcopy 76 menu tree 31 shortcut 31 help 33 faq 93 high voltage measure 41 horizontal 54 basic operation 37 cursor operation 44 menu tree 21 position 54 scale 54 shortcut 21 specification 97 IEC 1010 1 99 ink saver in display save 81 in hardcopy 77 in save all 83 input fre...

Страница 53: ...force 68 indicator 61 level knob 63 menu tree 28 parameter 61 pulse width 66 shortcut 28 specification 97 status indicator 15 video 65 UK power cord 9 USB for remote control 69 utility key overview 12 menu tree 30 shortcut 30 vector waveform 52 vertical 58 basic operation 38 cursor operation 45 position 58 resolution calibration 90 scale 58 specification 97 video line 62 video trigger 65 menu tree...

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