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Operating the Instrument

R&S

RTO2000

Getting Started 1332.9719.02 ─ 10

7.4

Working with Waveforms

The R&S

RTO can create and display several types of waveforms:

●

Channel waveforms:
Up to three waveforms per input channel can be shown. For a four-channel
instrument, 12 channel waveforms are available.

●

Reference waveforms:
Four waveforms can be used as reference for comparison and analysis.

●

Math waveforms:
Eight mathematic waveforms can be created with mathematic operations per-
formed on channel, reference, and other math waveforms.

●

Zoom waveforms:
Show the details of waveforms.

●

XY-waveforms:
Four XY-waveforms can be created. Each XY-waveform is built from the volt-
age values of two source waveforms.

●

Digital waveforms:
The Mixed Signal Option R&S

RTO-B1 provides 16 digital channels grouped

in two logic probes (pods) with 8 channels each.

Working with Waveforms

Содержание RTO2000

Страница 1: ...RTO2000 Oscilloscope Getting Started 1332971902 P C2 Getting Started Version 10 Sie haben Fragen oder w nschen eine Beratung Angebotsanfrage unter 07121 51 50 50 oder ber info datatec de Distributed...

Страница 2: ...9 7002K44 R S RTO2064 1329 7002K64 2020 Rohde Schwarz GmbH Co KG M hldorfstr 15 81671 M nchen Germany Phone 49 89 41 29 0 Email info rohde schwarz com Internet www rohde schwarz com Subject to change...

Страница 3: ...pplication cards Videos 10 4 Preparing for Use 11 4 1 Unpacking and Checking the Instrument 11 4 2 Positioning the Instrument 12 4 3 Starting the Instrument 14 4 4 Connecting External Devices 16 5 Ins...

Страница 4: ...rument 80 7 1 Means of Manual Interaction 80 7 2 Touchscreen Display 81 7 3 App Cockpit 87 7 4 Working with Waveforms 88 7 5 Rohde Schwarz SmartGrid 91 7 6 Toolbar 92 7 7 Displaying Results 101 7 8 Us...

Страница 5: ...part of the product documentation It warns you about the potential dangers and gives instructions how to prevent personal injury or dam age caused by dangerous situations Safety information is provide...

Страница 6: ...Safety and Regulatory Information R S RTO2000 6 Getting Started 1332 9719 02 10 1 1 Korea Certification Class A A Korea Certification Class A...

Страница 7: ...zone trigger in time and frequency domain Analyze previous acquisitions always available in history buffer Deep toolset for signal analysis Powerful user interface High resolution 12 1 capacitive tou...

Страница 8: ...re basic functionality and applications User manual Instrument Describes all instrument functions in detail It also provides an introduction to remote control a complete description of the remote cont...

Страница 9: ...ctions operating conditions and further important informa tion The printed document is delivered with the instrument Instrument security procedures manual Deals with security issues when working with...

Страница 10: ...are installation The open source acknowledgment document provides verbatim license texts of the used open source software It can also be read directly on the instrument See www rohde schwarz com firmw...

Страница 11: ...is dry and shows no sign of condensation The instrument is positioned as described in the following sections The ambient temperature does not exceed the range specified in the data sheet Signal levels...

Страница 12: ...king material If the instrument needs to be transpor ted or shipped later you can use the material to protect the control ele ments and connectors 4 2 Positioning the Instrument The instrument is desi...

Страница 13: ...folded out When the feet are folded out do not work under the instrument or place anything underneath The feet can break if they are overloaded The overall load on the fol ded out feet must not exceed...

Страница 14: ...rflow for a longer period can disturb the operation and even cause damage 4 3 Starting the Instrument Risk of injury Connect the oscilloscope to an outlet that has a ground contact If grounding is not...

Страница 15: ...be disconnected from all power supplies To power off 1 If the instrument is running and the Power key is green press the Power key on the front panel to shut down the instrument 2 Switch the main powe...

Страница 16: ...re shuts down The standby power only supplies the power switch circuits and the optional oven quartz OCXO option R S RTO B4 Now it is safe to power off the instrument The Exit function in the File men...

Страница 17: ...instru ment Installing USB devices on R S RTO is easy under the Windows operating sys tem because all USB devices are plug play After a device is connected to the USB interface Windows automatically s...

Страница 18: ...agnifier on the Windows taskbar 2 Type keybord 3 Select Edit language and keyboard options Connecting a mouse The mouse is detected automatically when it is connected To configure the mouse properties...

Страница 19: ...t type of the monitor or projector Make sure to select the cor rect cable To use a VGA monitor you need an active DVI D to VGA adapter 2 Press the Setup key 3 Select the System tab 4 Tap Display Monit...

Страница 20: ...the touchscreen with its control elements 5 1 Front Panel The front panel of the R S RTO is shown in Figure 5 1 The function keys are grouped in functional blocks to the left and the right of the touc...

Страница 21: ...front panel labeling plastic parts or screens for example Never use cleaning agents to clean the outside of the instrument Use a soft dry lint free dust cloth instead 5 1 1 Input Connectors The R S RT...

Страница 22: ...ceed 200 V peak When performing measurements in circuits with transient overvoltages of category II III or IV circuits make sure that no such overvoltages reach the R S RTO input Therefore use only pr...

Страница 23: ...any impact do not use USB connecting cables exceeding 1 m Probe Compensation Probe compensation terminal to support adjustment of passive probes to the oscilloscope channel Protective earth conductor...

Страница 24: ...O B1E for R S RT ZVC or R S RTO B10 GPIB 10 External trigger input 11 Optional OCXO with input and output of the reference signal option R S RTO B4 12 Kensington lock slot to secure the instrument aga...

Страница 25: ...surement results To avoid any impact do not use USB connecting cables exceeding 1 m LAN 8 pin RJ 45 connector used to connect the instrument to a Local Area Network LAN It supports up to 1000 Mbit s 1...

Страница 26: ...The mixed signal option R S RTO B1 provides logic analizer functionality and 16 digital channels It also can connect the R S RT ZVC multi channel power probe The connectors can be used to connect two...

Страница 27: ...led specifications refer to the data sheet The option can be installed in the option slot at the rear panel The module has four connectors Out 2 92 mm connectors K type for pulse signal output Ref 2 9...

Страница 28: ...rations and save them to a file The Preset key can be configured to set either factory defaults or a user defined pre set configuration Save Recall Opens and closes the File dialog box where you can S...

Страница 29: ...the touchscreen to prevent unintended use When the touchscreen is off the key is illuminated Press again to unlock the touchscreen Intensity Adjusts the intensity of the waveforms on the screen or th...

Страница 30: ...ord Length The rotary knob changes the resolution or the record length Press the knob to toggle the setting The controlled parameter and its value are shown in the input box in the lower right corner...

Страница 31: ...move it to the right The reference point marks the rescaling center of the time scale It is indicated by a gray triangle outline at the top of the dia gram If you modify the time scale the reference p...

Страница 32: ...e key repeatedly to switch the reference waveform If a reference waveform is selected the vertical rotary knobs are illuminated in white or light gray default colors depending on the selected waveform...

Страница 33: ...selected signal and selects the next channel math or reference waveform The key is illuminated in the color of the selected signal and changes the color according to the new selection 5 3 5 Trigger C...

Страница 34: ...trigger mode between Auto and Normal The current setting is shown on the trigger label Run Stop Starts and stops the continuous acquisition A green light indicates a running acquisition A red light sh...

Страница 35: ...or to the waveform and couple the cursors Meas Starts the default automatic measurement for the active waveform and opens the Measurement result box If you press the Meas key while a measurement is en...

Страница 36: ...gating Configure the presentation of search results Masks Opens and closes the Masks dialog box Masks are used for error detection and compliance tests of digital signals You can Configure masks and...

Страница 37: ...turn clockwise to increase the value or turn counterclockwise to decrease it and press to enter the value and move to the next cell To set cursor positions histogram areas and mask points in input box...

Страница 38: ...applies the selected value In tables activates the edit mode Tab The tab key has various functions In dialog boxes with only horizontal tabs the key switches the horizontal tabs In dialog boxes with h...

Страница 39: ...rce or instruments Try out the following Displaying a Basic Signal 39 Acquiring Data 41 Organizing the Display 43 Changing the Waveform Scaling and Position 46 Zooming into the Display 50 Displaying t...

Страница 40: ...dge with auto trigger mode 4 If necessary compensate the passive probe as described in Chapter 8 4 Adjusting Passive Probes on page 113 5 In the Trigger area of the front panel press the Source key Pr...

Страница 41: ...a Although you are using only one input channel you can acquire the calibration data using three different arithmetic methods and display the results in separate waveforms 1 In the Horizontal area pre...

Страница 42: ...imation type is automatically set to Peak detect to display the correct envelope waveform 5 For Wfm3 select the mode High Res and the Wfm Arithmetic to Aver age 6 To close the Horizontal dialog box ta...

Страница 43: ...ay each waveform in a separate diagram and then define a useful label for each diagram You can also hide diagrams you do not currently need and display them later again To manage several diagrams 1 Dr...

Страница 44: ...alf of the diagram so that it covers an area beneath Ch1Wfm2 and drop it there The three waveforms are now displayed in separate diagrams 3 Rename the diagrams so that the label indicates the diagram...

Страница 45: ...zontal edge to the required posi tion To delete waveform diagrams For the procedures in the following sections we need only the original waveform diagram So we close the other two diagrams 1 To minimi...

Страница 46: ...gnal icon and the empty diagram are removed 6 4 Changing the Waveform Scaling and Position As you can see on the y axis of the display the calibration signal has a vertical offset of about 520 mV The...

Страница 47: ...Then you quickly set the new trigger level and try out the scaling functions 1 In the Vertical area press the Ch1 key The Vertical dialog box is shown 2 Change the Coupling to AC 3 To close the dialog...

Страница 48: ...might be unstable if the trigger level is above the waveform Note If this step does not work as described check the function assignment of the rotary knob The second row of the signal label shows the...

Страница 49: ...two fingers and spread the fingers horizontally Turn the horizontal Scale knob When you turn the knob the current scale factor per division is displayed in the lower right corner of the display You c...

Страница 50: ...pinch them together in hori zontal direction Tap the Undo icon on the toolbar If you use an active single ended probe you can measure the DC component of the signal directly at the probe tip with the...

Страница 51: ...bar tap the Zoom icon 3 Tap the position in the diagram that you want to define as one corner of the zoom area Then drag your finger to the opposite corner of the zoom area While you drag your finger...

Страница 52: ...and make room on the display for other results tap the Delete icon and then the zoom window 6 5 2 Using the Fingertip Zoom 1 Tap the Zoom icon on the toolbar 2 In the sidebar tap Fingertip zoom 3 Touc...

Страница 53: ...ment stores the acquired data in the memory and shows the current acquisition on the display The history accesses and displays the samples that were saved before the current acquisition When the acqui...

Страница 54: ...d enter 4 to display the sixth waveform counted from acquisition start The latest acquisition has the number 0 the oldest has 9 8 Tap to open the History setup dialog box 9 Enter 2 in the Start acq fi...

Страница 55: ...form color 6 7 1 Performing a Cursor Measurement 1 Restore the default signal channel settings Press the Preset and Autoset keys 2 Tap the Cursor icon on the toolbar 3 Draw a rectangle on the screen w...

Страница 56: ...n in the result icon 6 To remove the result icon and make room on the display for other results tap the red cross on the icon label 6 7 2 Performing an Amplitude Measurement To measure the voltages of...

Страница 57: ...ram in which you want to measure The selected measurement types are enabled using the selected focused waveform as the source The Measurements result box shows the measured values 5 To display statist...

Страница 58: ...9719 02 10 8 Tap Add Remove Measurements 9 Select the required measurement types For example select Min and Max to display the minimum and maximum values 10 Tap OK Close the dialog box The result box...

Страница 59: ...mum 8 different measurements on one source can be performed at once simply by tapping the Quick measurement toolbar icon You can configure the measurement types to be included in quick measurement Thi...

Страница 60: ...e following examples you start a quick measurement and change the mea surement configuration To start the quick measurement 1 Press Autoset 2 Tap the Quick measurement icon on the toolbar 3 Tap the di...

Страница 61: ...ck measurement 1 Tap 2 In the sidebar on the top select the quick measurement if necessary 3 In the sidebar disable the Mean and RMS measurements 4 Scroll down and select Period Now the result box als...

Страница 62: ...quency measurements Tap the icon to adjust measurement specific settings 7 Tap Set as QuickMeas The current configuration is set as default quick measurement and can be repeated until you save another...

Страница 63: ...playing a Histogram Histograms are useful to analyze the occurrence of measurement values statisti cally 1 Tap the Histogram icon on the toolbar 2 Tap the diagram in which you want to generate the his...

Страница 64: ...indicated in the diagram 3 To measure on the histogram tap the Measurement icon on the toolbar 4 Tap the histogram The waveform count for the histogram is displayed 5 To display more measurement resu...

Страница 65: ...the sidebar 9 To remove the histogram tap the Delete icon on the toolbar and then tap the histogram The histogram and any measurements based on that histogram are deactiva ted 6 8 Performing a Basic...

Страница 66: ...w diagram 3 To measure the spectrum on the math channel tap the Measurement icon on the toolbar 4 Tap the spectrum waveform The channel power is displayed below the FFT diagram 5 Double tap the spectr...

Страница 67: ...nstrument R S RTO2000 67 Getting Started 1332 9719 02 10 7 If the spectrum analysis option is installed on your instrument tap the spec trum icon on the toolbar 8 Tap the FFT waveform Performing a Bas...

Страница 68: ...to com pare the current measurement result with For example you can display the absolute value of the waveform values as a math waveform 1 Press Autoset 2 Press the Math key 3 In the Setup tab select...

Страница 69: ...Search In the following search you detect positive and negative overshoots i e values that exceed the high or low levels To find these events you can use the windows search To determine the search co...

Страница 70: ...ct Exit to find values that are outside the range defined by the high and low levels 5 Select Enable to start the continuous search on the acquired data 6 Close the Search dialog box 7 In the Search R...

Страница 71: ...o determine whether the sig nal exceeds a rectangular area 1 To restore the default signal channel settings press Preset and Autoset 2 Tap the Masks icon on the toolbar 3 Tap the corner points of the...

Страница 72: ...332 9719 02 10 5 Add another mask segment above the positive pulse a Tap Add segment in the sidebar b Tap two points slightly above the pulse c Tap Finish segment in the sidebar d Tap in the result bo...

Страница 73: ...s in the Violation tolerance field A test has failed if the number of sample hits exceeds the limit of Violation tolerance 9 Select the Event Action Reset tab 10 For the Stop acquisition action select...

Страница 74: ...lowing examples you print the current display as a black and white graphic with inverted colors i e a black waveform is printed on a white background Then you save some screenshots using the Camera ke...

Страница 75: ...Tap the upper left button and select the printer 6 Tap Print The result is a monochrome image 7 Close the dialog box To configure the Camera key 1 Open the File menu and tap Frontpanel Setup 2 Select...

Страница 76: ...s the key The files are saved to the following directory C Users Public Public Documents Rohde Schwarz RTx ScreenShots The default file name is Screenshot_ date _ index _ time png 4 To access the save...

Страница 77: ...ve Recall key on the front panel in the Setup area on the left 2 Select Waveform 3 Check the Source 4 Set Scope to Full Waveform Tip If a cursor zoom or measurement gate is defined you can use these s...

Страница 78: ...ata logging to enable export all waveforms of a running acquisition d Enter Acq count 10 the number of subsequent waveforms that the instrument acquires and saves 4 Tap Start Export to save the wavefo...

Страница 79: ...ng and restoring device settings 1 Press the Save Recall key on the front panel 2 Select Savesets 3 Tap Save As Enter the path and filename C Users Public Public Documents Rohde Schwarz RTx SaveSets S...

Страница 80: ...on computers with non Windows operating systems a remote desktop connection is possible using RDP applications For details refer to the user manual chapter Remote Desktop Connection Remote monitoring...

Страница 81: ...le timebase Spread or pinch two fingers vertically to change the vertical scale of the active waveform Function keys and rotary knobs The front panel provides nearly all functions and controls to oper...

Страница 82: ...horizontal position 7 Zoom area 8 Zoom diagram 9 Histogram area 10 Histogram 11 Messages Diagram 1 A diagram shows one or more waveforms channel reference and math wave forms together with histograms...

Страница 83: ...r labels show the main timebase and trigger settings If you tap a label the relevant dialog box opens with the tab used at last Figure 7 2 Horizontal and trigger label on top of the sidebar 1 Resoluti...

Страница 84: ...or down until the required icon appears You can also switch off the sidebar Display menu Diagram Layout Show signal bar Trigger position and trigger level 4 5 The blue markers show the horizontal pos...

Страница 85: ...ibilities are described in detail in the User Manual chapter Zoom Histogram and histogram area 9 10 A histogram shows the frequency of occurrence of voltage or time values in a bar chart directly in t...

Страница 86: ...the most important functionality For a detailed description refer to Chapter 7 6 Toolbar on page 92 Sidebar 2 The sidebar shows all enables waveforms as described in Sidebar 3 on page 83 If you adjus...

Страница 87: ...s described in Chapter 7 8 Using Dialog Boxes on page 103 Input box The input box appears if you adjust a value using one of the rotary knobs or if you drag an element on the screen for example a curs...

Страница 88: ...eforms can be used as reference for comparison and analysis Math waveforms Eight mathematic waveforms can be created with mathematic operations per formed on channel reference and other math waveforms...

Страница 89: ...above the other To change the diagram name double tap the tab name The Rohde Schwarz SmartGrid function helps to arrange the diagrams Waveform states Depending on its place on the screen and the effec...

Страница 90: ...l reference or math waveform press the correspond ing key Tap the signal icon Note Zoom waveforms in zoom diagrams cannot be selected To minimize a waveform Choose on of the following ways Tap the Min...

Страница 91: ...s to create and arrange the diagrams on the screen with drag drop The diagram layout depends on the position where you drop the signal icon in relation to an existing diagram Figure 7 5 SmartGrid posi...

Страница 92: ...further actions 3 To change the size of the new diagram drag its edge to the required position 7 6 Toolbar The toolbar provides direct access to important control and measurement func tions It shows c...

Страница 93: ...unctions are analyzing functions These actions are interactive actions To use analyzing functions interactive actions 1 If several waveforms are shown in the diagram select the waveform that you want...

Страница 94: ...open the toolbar configuration choose one of the following ways Tap the icon in the toolbar On the Display menu select Toolbar 2 Select the required toolbar functions Disable the functions that you d...

Страница 95: ...ions Undo Zoom Redo Search Show Help Cursor Graphical Recall load saveset Masktest Save Settings Histogram Save Screenshot Measurement Create Report Quick meas Clear all FFT Autoset and Preset Delete...

Страница 96: ...t with active reference waveform Redo Recovers the undo steps in reverse order Show Help Enables the tooltip display A short description appears when you tap a parameter in a dialog or result box To o...

Страница 97: ...ange the size of one zoom area the size of all coupled zoom areas is changed as well First create a zoom using the Standard zoom Then tap Coupled zoom and tap the existing zoom area The zoom area is d...

Страница 98: ...e last selected histo gram type A short tap on the icon activates the selected histogram To use another histogram type select it in the sidebar and adjust the settings Tap the icon and then drag a rec...

Страница 99: ...be switched off Save Settings Saves the current instrument settings in a saveset The filename is created according to the autonaming pattern You can reload the saveset using the Load saveset Graphical...

Страница 100: ...d If you tap the display background the label is assigned to the selected waveform Enter the label text using the onscreen keyboard The text is shown in the same color as the waveform You can drag the...

Страница 101: ...al places to display the results In a floating result box in front of the diagrams which you can move on the display In a minimized view result icon on the sidebar In a separate tab In a docked tab be...

Страница 102: ...ebar The dialog box with corresponding settings opens To define the default position of measurement results For results of automatic and cursor measurements the docked position below the diagram is th...

Страница 103: ...ult dialog font size 7 8 Using Dialog Boxes All functionality is provided in dialog boxes as known from computer programs You can control the instrument intuitively with the touchscreen This section p...

Страница 104: ...ize a dialog box If you want to change only one setting during analysis and you need to change it often you can display a small box that only contains the required setting 1 Tap the function that you...

Страница 105: ...ked option 7 9 Entering Data Most important parameters have their own rotary knobs on the front panel When you turn a knob the input box appears the lower right corner of the screen show ing the param...

Страница 106: ...e between small steps and large steps tap the Steps icon To get the value that was used before the keypad was displayed tap Cur To enter a user defined value tap the numbers and complete the entry by...

Страница 107: ...try To enter numeric data in a dialog box with navigation controls 1 To navigate to the entry field press the and keys 2 To change the value with a small step size turn the rotary knob Alternatively p...

Страница 108: ...ips give a short description of the parameter The context help provides functional description on a setting and the corre sponding remote command The general help explains a dialog box provides instru...

Страница 109: ...tains index entries to search for help topics Search provides text search The Help toolbar provides some buttons To browse the topics in the order of the table of contents Up arrow previous topic Down...

Страница 110: ...ks between topics containing all words are found same as AND operator For advanced search consider the following To find a defined string of several words enclose it in quotation marks For example a s...

Страница 111: ...basic hardware check Recommendation on performing the self alignment When putting the instrument into operation for the first time After a firmware update Once a week When major temperature changes oc...

Страница 112: ...is useful At first use If the position of the instrument has been changed and you cannot look straight on the screen If another person operates the instrument If you notice that touching a specific p...

Страница 113: ...er bandwidth limit frequencies A poorly compensated probe reduces the performance of the probe oscilloscope system and introduces measurement errors resulting in distorted waveforms and inaccurate res...

Страница 114: ...duct contact our customer support center A team of highly qualified engineers provides support and works with you to find a solution to your query on any aspect of the operation program ming or applic...

Страница 115: ...113 Connectors Probe compensation 22 Rear panel 23 USB 22 Coupled zoom quick access 97 Cursor key 35 Cursors Minimizing results 55 Quick access 97 Trying out 55 Customer support 114 D Data entry 105 D...

Страница 116: ...25 Language Changing 112 Levels knob 34 Lock touchscreen 29 Logic key 32 Logic probe connector 26 M Markers Example 50 Mask test Quick access 98 Trying out 71 Masks key 36 Math key 32 Math waveforms...

Страница 117: ...ntrol 80 Find command using help 108 Remote Desktop 80 Remote operation 80 Res Rec Len key 30 Resolution Rotary knob 30 Result boxes 85 Background transparency 29 Displaying 101 Results Configuring di...

Страница 118: ...ips 96 Show 108 Touch Lock key 29 Touchscreen Adjusting 112 Compared with mouse 80 Control elements 85 Lock unlock 29 Usage 80 Transparency 29 Trigger Controls 33 External input 25 External output 26...

Страница 119: ...Zoom Area 85 Diagram 85 Fingertip 52 Key 36 Quick access 96 Standard 51 Trying out 50 Waveforms 88 Sie haben Fragen oder w nschen eine Beratung Angebotsanfrage unter 07121 51 50 50 oder ber info datat...

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